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HomeMy WebLinkAbout20220705Final Approved Tariffs.pdf Avista Corp. 1411 East Mission P.O. Box 3727 Spokane, Washington 99220-0500 Telephone 509-489-0500 Toll Free 800-727-9170 June 15, 2022 State of Idaho Idaho Public Utilities Commission 11331 W. Chinden Blvd Bldg 8, Suite 201-A Boise, Idaho 83714 Case No. AVU-E-22-05 I.P.U.C. No. 28 – Electric Service Dear Commission Secretary: In compliance with Order No. 35429, in Case No. AVU-E-22-05, the Company has attached for electronic filing with the Commission the following revised tariff sheets: Supplemental Fifth Revision Sheet 51A canceling Fourth Revision Sheet 51A Supplemental Eighth Revision Sheet 51B canceling Seventh Revision Sheet 51B Supplemental Fifth Revision Sheet 51C canceling Fourth Revision Sheet 51C Supplemental Twenty-Fourth Revision Sheet 51E canceling Twenty-Third Revision Sheet 51E Supplemental Twenty-Third Revision Sheet 51F canceling Twenty-Second Revision Sheet 51F Supplemental Twenty-Fourth Revision Sheet 51G canceling Twenty-Third Revision Sheet 51G Supplemental Twenty-Second Revision Sheet 51H canceling Twenty-First Revision Sheet 51H Supplemental Fourth Revision Sheet 51I canceling Third Revision Sheet 51I Supplemental Ninth Revision Sheet 51J canceling Eighth Revision Sheet 51J Supplemental Fourth Revision Sheet 51L canceling Third Revision Sheet 51L Supplemental Third Revision Sheet 51M canceling Second Revision Sheet 51M Supplemental Twenty-Third Revision Sheet 51N canceling Twenty-Second Revision Sheet 51N Supplemental Twenty-Third Revision Sheet 51O canceling Twenty-Second Revision Sheet 51O The purpose of this compliance filing is to reflect the approved effective date of June 15, 2022 and to incorporate the new definitions for Basic Costs and Exceptional Costs as developed by Staff and the Company and approved by the Commission in its final Order. If you have any questions regarding this filing, please contact Tia Benjamin at (509) 495-2225 or Joe Miller at (509) 495-4546. Sincerely, /s/ Joe Miller Joe Miller Sr Manager of Rates and Tariffs RECEIVED 2022 June 15, PM 1:40 IDAHO PUBLIC UTILITIES COMMISSION Supplemental Fifth Revision Sheet 51A Canceling I.P.U.C. No.28 Fourth Revision Sheet 51A 51A AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued 3. RULES FOR INDIVIDUAL RESIDENTIAL CUSTOMERS a. Both the General Rules and the following rules apply to line extensions to serve individual Residential Customers. b. Before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension _______________________________ = extension cost 1) "Basic and Exceptional Cost" is the cost of the Service Circuit, Secondary Circuit, Transformer and Primary Circuit computed from the rates listed in this Schedule, along with the cost of labor and/or materials which are necessary to construct the Line Extension. The meters and metering facilities used by the Company for billing purposes are provided at no cost to the Customer. 2) "Cost Reduction" is a decrease allowed when the Company uses lower-cost construction methods or allows the Customer to do some of the work. All facilities provided by the Customer must meet or exceed the Company's specifications. The Cost Reduction may only reduce the Customer’s total cost of construction to $0.00; no payment shall be given to the customer. 3) "Allowance" is a credit to each Customer who has at least 2500 kWh per year of new load. The Allowance will be applied first to the Basic and Exceptional Cost of the Service Circuit, second to the Basic and Exceptional Cost of the Secondary Circuit, third to the Basic and Exceptional Cost of the Transformer and fourth to the Basic and Exceptional Cost of the Primary Circuit. Supplemental Eighth Revision Sheet 51B Canceling I.P.U.C. No.28 Seventh Revision Sheet 51B 51B AVISTA CORPORATION dba Avista Utilities Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs Issued June 15March 11, 2022 Effective June 15May 1, 2022 SCHEDULE 51 - continued When two or more Customers apply concurrently for service from the same Line Extension, each will receive an Allowance up to their proportion of the Basic and Exceptional Cost of the line extension. Allowances shall be granted only against the Basic and Exceptional Cost of the current project and not against any part of an earlier or future extension. The Allowance will be equal to the Basic and Exceptional Cost or the applicable amount listed below, whichever is less: MAXIMUM ALLOWANCE Schedule 1 individual Customer $2,065 per unit Schedule 1 duplex $1,650 per unit Schedule 1 multiplex $1,240 per unit EXCEPTION: The Company will not grant an immediate Allowance if the Company, in its sole judgement, determines that the load: a) is less than 2500 kWh per year, or b) will be in service less than five years. A mobile home will not qualify for an Allowance until it has permanent connections to both water service and either a sewer or septic system. If such connections are made within five years after the completion of the line extension, the Company will, at that time, refund the Basic and Exceptional Cost or the amount of the Allowance in effect at the time of the line construction, whichever is less. The Customer must apply for the refund before the line extension becomes six years old. Supplemental Fifth Revision Sheet 51C Canceling I.P.U.C. No.28 Fourth Revision Sheet 51C 51C AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued If an immediate Allowance is not granted because electric consumption is expected to be less than 2500 kWh per year, but the Customer can demonstrate after the end of the fifth year that the annual electric consumption was at least 2500 kWh each year for all five years, then the Company will refund to the Customer the Basic and Exceptional Cost or the amount of the Allowance in effect at the time of the line construction, whichever is less. The Customer must apply for the refund before the line extension becomes six years old. If an immediate Allowance is not granted because the Customer is not prepared for a permanent service connection upon completion of the line extension, but the Customer does request a permanent connection within the next five years, and will have consumption of at least 2500 kWh per year, the Company will at that time refund to the Customer the Basic and Exceptional Cost or the amount of the Allowance in affect at the time of the line construction, whichever is less. Supplemental Twenty-Fourth Revision Sheet 51E Canceling I.P.U.C. No.28 Twenty-Third Revision Sheet 51E 51E AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued 5) "Share of Previous Extension" applies only to Primary Circuits less than five years old. If part of a previous line extension is used to serve a new Customer, the new Customer must pay a share of the previous Primary Circuit cost and Transformer cost, if shared, to the Company before the start of construction. The amount paid by the new Customer will be refunded to existing Customers in relation to their share of the Primary Circuit and Transformer, if shared. The Company will refund appropriate shares to the bearers of Extension Certificates when the Certificates are presented for payment and the connection of the subsequent Customer has been verified. The Company will make a reasonable attempt to inform the bearer of the Certificate when a refund is due. Bearers of Extension Certificates must apply for refunds before the original line extension becomes six years old. Unclaimed refunds will be returned to the contributor. EXAMPLE: 1. First Customer pays $11,150 for 1,000 feet of primary underground circuit ($11.15 per foot). 2. Second Customer takes service within five years using 600 feet of the original extension. 3. Both Customers share the first 600 feet equally: 600 ft x $11.15/ft x ½ = $3,345. 4. The Second Customer's payment of $3,345, will be refunded to the First Customer to reduce his investment in the 600 feet to $3,345. The First Customer's investment in the remaining 400 feet remains at $4,460. ($11,150-$3,345-$3,345=$4,460) EXCEPTION: If the refund to an existing Customer is less than $100 each, the new Customer will not be required to pay that share and the existing Customer will not receive a refund. Supplemental Twenty-Third Revision Sheet 51F Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51F 51F AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued 4. RULES AND CHARGES FOR UNDEVELOPED RESIDENTIAL LOTS a. A development is a group of neighboring undeveloped lots separated by no more than streets and under the ownership or legal control of a single party as determined by the Company. Both the General Rules and the following rules apply to line extensions within residential developments. b. Before Company facilities will be installed, the developer must submit a written application for service, a copy of the plat as approved by the governing agency depicting dedicated utility easements approved by the serving utilities and must pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) = extension cost within development + cost of extension to development + Share of Previous Extension = extension cost 1) "Basic and Exceptional Cost" will be computed from the following rate per lot when the Development serves single phase loads, has at least six lots and the average frontage is no more than 175 feet per lot. The Basic and Exceptional Cost includes the cost of the Primary Circuit, the Transformer and the Secondary Circuit in the utility easement or public right-of- way, but does not include the Service Circuit from the point of connection with the Secondary Circuit to the Point of Delivery. Developments: $1,612 per Lot Supplemental Twenty-Fourth Revision Sheet 51G Canceling I.P.U.C. No.28 Twenty-Third Revision Sheet 51G 51G AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued The Basic and Exceptional Cost for all other Developments will be computed from the rates listed in this Schedule for Service Circuits, Secondary Circuits, Transformers and Primary Circuits. 2) "Cost Reductions, “Customer-Requested Costs, and "Share of Previous Extension" are described under Rules for Individual Customers. 3) "Extension to development" is the line extension between the Company's existing energized electric facilities and the boundary of the development. The Rules for Individual Customers apply to the extension to the development. c. In lieu of a cash payment of the Basic and Exceptional Cost in a Development, the Company will accept a letter of credit, a contractor’s performance bond, or another credit instrument agreeable to the Company for $1,612 per lot upon execution of a written agreement with the Developer. The agreement shall prescribe the requirements for such a credit instrument and shall permit the face amount of the instrument to be reduced annually as new customers are connected within the Development. The Developer will provide ditching within the Development. d. Prior to the installation of the Service Circuit to each single-family residence in a development, the home builder will be required to make a non-refundable cash payment to the Company of $5 per residence. There will be no charge to the builder for the installation of the Service Circuit to serve a duplex or multiplex dwelling. e. A Developer who pays the extension cost described in 4.b.1) may apply for a refund annually for each permanent Customer connected within the Development during the first five years after the extension is completed. The Company will make a reasonable attempt to inform the bearer of the certificate when a refund is due. The Company will pay the refund to the bearer of the Extension Certificate when it is presented to the Company for payment and the connection of the permanent Customer has been verified. AVISTA CORPORATION dba Avista Utilities 51H Supplemental Twenty-Second Revision Sheet 51H Canceling I.P.U.C. No.28 Twenty-First Revision Sheet 51H Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued For Developers who have made a cash payment to the Company for the Basic and Exceptional Cost in the development, the sum of all refunds shall not exceed the total Basic and Exceptional Cost paid by the Developer or $1,612 per lot multiplied by the number lots, whichever is less. The developer must apply for the refunds before the line extension becomes six years old. f. In a Development where primary taps may be required into some lots to provide adequate service or where the loads are not clearly defined, the Company may elect to install only an initial Primary Circuit through the Development (no Transformers or Secondary Circuits). The Rules for Individual Customers will be used to establish the extension cost of the Primary Circuit and that cost must be paid in advance by the Developer. The permanent Customer on each lot must meet the Rules for Individual Residential Customers for the extension into the lot, except they will not pay a share of the cost of the Primary Circuit through the Development or a share of previous extensions outside the Development. The applicable Allowance will be credited first to the Basic and Exceptional Cost to serve the permanent Customer. The Developer will be refunded only the portion of the Allowance not granted or applied to the permanent Customer. Supplemental Fourth Revision Sheet 51I Canceling I.P.U.C. No.28 Third Revision Sheet 51I 51I AVISTA CORPORATION dba vista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued 5. RULES FOR COMMERCIAL AND INDUSTRIAL CUSTOMERS a. Both the General Rules and the following rules apply to Line Extensions to serve individual Commercial and Industrial Customers. b. Single-Phase Extensions: For Customers who may be served at single phase, as determined by the Company, before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension _______________________________ = extension cost 1) All terms are described in Section 3.b. and the Basic and Exceptional Costs are set forth in Section 7. The amount of the Allowance will be determined individually for each Customer based on the Company’s estimate of the Customer’s annual metered energy usage (delivered by Avista) and an allowance per kWh based on the applicable service schedule. c. Three-Phase Extensions: For Customers requiring three-phase service, as determined by the Company, before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Total Estimated Extension Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension = extension cost Supplemental Ninth Revision Sheet 51J Canceling I.P.U.C. No.28 Eighth Revision Sheet 51J 51J AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 – continued 1) The Total Estimated Extension Cost shall include all costs which are necessary to provide service to the Customer, as determined by the Company. The amount of the Allowance will be determined individually for each Customer based on the Company’s estimate of the Customer’s annual metered energy usage (delivered by Avista) and an allowance per kWh based on the applicable service schedule. d. When two or more Customers apply concurrently for service from the same Line Extension, each will receive an Allowance up to their proportion of the Total Estimated Extension Cost. Allowances shall be granted only against the costs of the current project and not against any part of an earlier or future extension. The Allowance will be the Total Estimated Extension Cost, or the applicable Allowance by Schedule multiplied by the Customer’s estimated metered energy usage (delivered by Avista), whichever is less: ALLOWANCE BY SERVICE SCHEDULE Schedule 11 or 12: $0.16674 per kWh Schedule 21 or 22: $0.15360 per kWh Schedule 31 or 32: $0.26623 per kWh Exception: The Company will not grant an immediate Allowance if the Company, in its sole judgement, determines that the load is unknown, or will be in service less than five years. If an Allowance is not provided at the time service is installed, the Customer is eligible to receive a refund of their Allowance when annual metered energy usage (delivered by Avista) is known and measured. Any refund of Customer Allowance must be requested by the Customer within five years of the service installation. Undeveloped Commercial and Industrial Lots: A development is a group of neighboring undeveloped lots separated by no more than streets and under the ownership or legal control of a single party as determined by the Company. The General Rules, the Rules for Commercial and Industrial Customers and the following apply to line extensions within commercial or industrial developments. Before Company facilities will be installed, the developer must submit a written application for service and a copy of the plat as approved by the governing agency depicting dedicated utility easements approved by the serving utilities. Supplemental Fourth Revision Sheet 51L Canceling I.P.U.C. No.28 Third Revision Sheet 51L 51L AVISTA CORPORATION dba Avista Utilities Issued June 15April 29, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued b. Before construction starts, the party requesting a Conversion or Relocation must pay a conversion or relocation cost to the Company which is computed as follows: Basic and Exceptional Cost + Customer Requested Costs - Cost Reductions = new line cost + Removal Costs - Salvage Value - (one) Design Fee of $150 (if paid) = conversion or relocation cost EXCEPTION: If the Customer is adding load and the load increase would require the Company to add or modify facilities at its expense, the conversion or relocation cost will be reduced by the estimated cost of such modification. 1) "New Line Cost" is the cost of the new line extension in accordance with the Rules for Individual Customers, except no Allowance will be credited to the cost. 2) "Removal Cost" is the cost of the labor, overheads and use of equipment required to remove the existing facilities. 3) "Salvage Value" is the value to the Company of the materials removed from the existing facilities. Materials removed may not have Salvage Value. Salvage Value will be determined in the Company’s sole discretion. 7. DEFINITIONS AND CHARGES (listed alphabetically) a. "Basic Cost" is the cost of the Service Circuit, Secondary Circuit, Transformer and Primary Circuit computed from the rates listed in this Schedule. The meters and metering facilities used by the Company for billing purposes are provided at no cost to the Customer. a.b. "Customer" is any individual, partnership, corporation, association, governmental agency, political subdivision, municipality or other entity. b.c. "Dedicated Utility Easements" are designated strips or locations within the platted development which have been approved by the serving utility companies and the local government planning department and are dedicated to the serving utility companies for the purpose of construction, reconstruction, maintenance and operation of utilities, including the Supplemental Third Revision Sheet 51M Canceling I.P.U.C. No.28 Second Revision Sheet 51M 51M AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 – continued inspection of those utilities at reasonable times and the trimming or removal of brush and trees that may interfere with the construction, maintenance or operation of those utilities. c.d. "Design Fee" is a $150.00 payment to the Company by the Customer requesting a Line Extension, Conversion, or Relocation, in advance of the Company preparing the design. A Design Fee may be collected for any Line Extension, Conversion of Primary Circuit, or Relocation of Primary Circuit that is unusually large, complex, or of a questionable nature. Design Fees may be collected for additional designs if the Customer requests more than one design. e. "Exceptional Cost" is the cost of labor and/or materials which are necessary to construct the Line Extension but which are not included in the Basic Costs, including, but not limited to the following: a) trenching costs in excess of dirt trench b) boring or jacking under roads or rails c) pavement removal and replacement d) rights of way, permits, surveying e) riser for UG in OH area f) removal of trees and shrubs, or restoration of Customer property in excess of the replacement of sod and general cleanup. d.f. "Extension Certificate" is a transferable certificate which entitles the bearer to receive certain refunds. Certificates will be issued to all Customers paying for a Primary Circuit, including Developers. The conditions under which refunds will be paid are described in this Schedule and on the Certificate. e.g. "Point of Delivery" is the location on the Customer's premises where the Company's service conductors and the Customer's service entrance conductors are connected at a common point to permit a single meter installation. The Point of Delivery will be designated by the Company. f.h. "Primary Circuit" is the electrical facility between the Company's existing energized primary facilities and the proposed Transformer. The Primary Circuit is single phase, is operated at 2400 to 20,000 volts to ground and may include conductors, connectors, supporting structures, conduit and ditch. The Basic and Exceptional Cost of the Primary Circuit shall be computed using the following rates. Supplemental Twenty-Third Revision Sheet 51N Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51N 51N AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued Single-Phase Overhead Primary Circuit: Fixed Costs: $4,521 per Customer Variable Costs: $8.75 per foot Underground Primary Circuit: Fixed Costs: $1,958 per Customer Variable Costs: $11.15 per foot g. "Secondary Circuit" is the electrical facility from the Company's Transformer to a handhole or connectors from which one or more Service Circuits originate. The Secondary Circuit is single phase, is operated at less than 600 volts to ground and may include conductors, connectors, conduit, handholes, and ditch. The Basic and Exceptional Cost of the Secondary Circuit shall be computed using the following rates. Single Phase Underground Secondary Circuit: Fixed Costs: $392 per customer Variable Costs: $11.55 per foot Single Phase Overhead Secondary Circuit: Fixed Costs: $1,843 per customer Supplemental Twenty-Third Revision Sheet 51O Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51O 51O AVISTA CORPORATION dba Avista Utilities Issued June 15March 11, 2022 Effective June 15May 1, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued h. "Service Circuit" is the electrical facility between the Company's Transformer, connectors, or handhole and the Point of Delivery for a single Customer or building. The Service Circuit is single phase*, is operated at less than 600 volts to ground and may include conductors, connectors, conduit, and ditch. The Basic and Exceptional Cost of the Service Circuit shall be computed using the following rates. These rates do not include meters and metering facilities which are used by the Company for billing purposes. Single Phase Overhead Service Circuit: Variable Costs: $3.96 per foot Single Phase Underground Service Circuit: Variable Costs: $9.14 per foot i. "Transformer" Basic and Exceptional Cost shall be computed using the following rates for single phase transformers. Single Phase Overhead Transformer Costs: $2,508 per Customer Single Phase Padmount Transformer Costs: $3,597 per Customer j. "Underground Facilities" may include primary cable, secondary and service cable, secondary and service connections, surface-type (pad- mount) Transformers, pads, enclosures, terminations, and conduit where necessary. These facilities will be owned, operated and maintained by the Company unless otherwise provided for by agreement. Supplemental Fifth Revision Sheet 51A Canceling I.P.U.C. No.28 Fourth Revision Sheet 51A 51A AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued 3. RULES FOR INDIVIDUAL RESIDENTIAL CUSTOMERS a. Both the General Rules and the following rules apply to line extensions to serve individual Residential Customers. b. Before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension _______________________________ = extension cost 1) "Basic and Exceptional Cost" is the cost of the Service Circuit, Secondary Circuit, Transformer and Primary Circuit computed from the rates listed in this Schedule, along with the cost of labor and/or materials which are necessary to construct the Line Extension. The meters and metering facilities used by the Company for billing purposes are provided at no cost to the Customer. 2) "Cost Reduction" is a decrease allowed when the Company uses lower-cost construction methods or allows the Customer to do some of the work. All facilities provided by the Customer must meet or exceed the Company's specifications. The Cost Reduction may only reduce the Customer’s total cost of construction to $0.00; no payment shall be given to the customer. 3) "Allowance" is a credit to each Customer who has at least 2500 kWh per year of new load. The Allowance will be applied first to the Basic and Exceptional Cost of the Service Circuit, second to the Basic and Exceptional Cost of the Secondary Circuit, third to the Basic and Exceptional Cost of the Transformer and fourth to the Basic and Exceptional Cost of the Primary Circuit. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Eighth Revision Sheet 51B Canceling I.P.U.C. No.28 Seventh Revision Sheet 51B 51B AVISTA CORPORATION dba Avista Utilities Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs Issued June 15, 2022 Effective June 15, 2022 SCHEDULE 51 - continued When two or more Customers apply concurrently for service from the same Line Extension, each will receive an Allowance up to their proportion of the Basic and Exceptional Cost of the line extension. Allowances shall be granted only against the Basic and Exceptional Cost of the current project and not against any part of an earlier or future extension. The Allowance will be equal to the Basic and Exceptional Cost or the applicable amount listed below, whichever is less: MAXIMUM ALLOWANCE Schedule 1 individual Customer $2,065 per unit Schedule 1 duplex $1,650 per unit Schedule 1 multiplex $1,240 per unit EXCEPTION: The Company will not grant an immediate Allowance if the Company, in its sole judgement, determines that the load: a) is less than 2500 kWh per year, or b) will be in service less than five years. A mobile home will not qualify for an Allowance until it has permanent connections to both water service and either a sewer or septic system. If such connections are made within five years after the completion of the line extension, the Company will, at that time, refund the Basic and Exceptional Cost or the amount of the Allowance in effect at the time of the line construction, whichever is less. The Customer must apply for the refund before the line extension becomes six years old. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Fifth Revision Sheet 51C Canceling I.P.U.C. No.28 Fourth Revision Sheet 51C 51C AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued If an immediate Allowance is not granted because electric consumption is expected to be less than 2500 kWh per year, but the Customer can demonstrate after the end of the fifth year that the annual electric consumption was at least 2500 kWh each year for all five years, then the Company will refund to the Customer the Basic and Exceptional Cost or the amount of the Allowance in effect at the time of the line construction, whichever is less. The Customer must apply for the refund before the line extension becomes six years old. If an immediate Allowance is not granted because the Customer is not prepared for a permanent service connection upon completion of the line extension, but the Customer does request a permanent connection within the next five years, and will have consumption of at least 2500 kWh per year, the Company will at that time refund to the Customer the Basic and Exceptional Cost or the amount of the Allowance in affect at the time of the line construction, whichever is less. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Twenty-Fourth Revision Sheet 51E Canceling I.P.U.C. No.28 Twenty-Third Revision Sheet 51E 51E AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued 5) "Share of Previous Extension" applies only to Primary Circuits less than five years old. If part of a previous line extension is used to serve a new Customer, the new Customer must pay a share of the previous Primary Circuit cost and Transformer cost, if shared, to the Company before the start of construction. The amount paid by the new Customer will be refunded to existing Customers in relation to their share of the Primary Circuit and Transformer, if shared. The Company will refund appropriate shares to the bearers of Extension Certificates when the Certificates are presented for payment and the connection of the subsequent Customer has been verified. The Company will make a reasonable attempt to inform the bearer of the Certificate when a refund is due. Bearers of Extension Certificates must apply for refunds before the original line extension becomes six years old. Unclaimed refunds will be returned to the contributor. EXAMPLE: 1. First Customer pays $11,150 for 1,000 feet of primary underground circuit ($11.15 per foot). 2. Second Customer takes service within five years using 600 feet of the original extension. 3. Both Customers share the first 600 feet equally: 600 ft x $11.15/ft x ½ = $3,345. 4. The Second Customer's payment of $3,345, will be refunded to the First Customer to reduce his investment in the 600 feet to $3,345. The First Customer's investment in the remaining 400 feet remains at $4,460. ($11,150-$3,345-$3,345=$4,460) EXCEPTION: If the refund to an existing Customer is less than $100 each, the new Customer will not be required to pay that share and the existing Customer will not receive a refund. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Twenty-Third Revision Sheet 51F Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51F 51F AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued 4. RULES AND CHARGES FOR UNDEVELOPED RESIDENTIAL LOTS a. A development is a group of neighboring undeveloped lots separated by no more than streets and under the ownership or legal control of a single party as determined by the Company. Both the General Rules and the following rules apply to line extensions within residential developments. b. Before Company facilities will be installed, the developer must submit a written application for service, a copy of the plat as approved by the governing agency depicting dedicated utility easements approved by the serving utilities and must pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) = extension cost within development + cost of extension to development + Share of Previous Extension = extension cost 1) "Basic and Exceptional Cost" will be computed from the following rate per lot when the Development serves single phase loads, has at least six lots and the average frontage is no more than 175 feet per lot. The Basic and Exceptional Cost includes the cost of the Primary Circuit, the Transformer and the Secondary Circuit in the utility easement or public right-of- way, but does not include the Service Circuit from the point of connection with the Secondary Circuit to the Point of Delivery. Developments: $1,612 per Lot IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Twenty-Fourth Revision Sheet 51G Canceling I.P.U.C. No.28 Twenty-Third Revision Sheet 51G 51G AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued The Basic and Exceptional Cost for all other Developments will be computed from the rates listed in this Schedule for Service Circuits, Secondary Circuits, Transformers and Primary Circuits. 2) "Cost Reductions, “Customer-Requested Costs, and "Share of Previous Extension" are described under Rules for Individual Customers. 3) "Extension to development" is the line extension between the Company's existing energized electric facilities and the boundary of the development. The Rules for Individual Customers apply to the extension to the development. c. In lieu of a cash payment of the Basic and Exceptional Cost in a Development, the Company will accept a letter of credit, a contractor’s performance bond, or another credit instrument agreeable to the Company for $1,612 per lot upon execution of a written agreement with the Developer. The agreement shall prescribe the requirements for such a credit instrument and shall permit the face amount of the instrument to be reduced annually as new customers are connected within the Development. The Developer will provide ditching within the Development. d. Prior to the installation of the Service Circuit to each single-family residence in a development, the home builder will be required to make a non-refundable cash payment to the Company of $5 per residence. There will be no charge to the builder for the installation of the Service Circuit to serve a duplex or multiplex dwelling. e. A Developer who pays the extension cost described in 4.b.1) may apply for a refund annually for each permanent Customer connected within the Development during the first five years after the extension is completed. The Company will make a reasonable attempt to inform the bearer of the certificate when a refund is due. The Company will pay the refund to the bearer of the Extension Certificate when it is presented to the Company for payment and the connection of the permanent Customer has been verified. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary AVISTA CORPORATION dba Avista Utilities 51H Supplemental Twenty-Second Revision Sheet 51H Canceling I.P.U.C. No.28 Twenty-First Revision Sheet 51H Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued For Developers who have made a cash payment to the Company for the Basic and Exceptional Cost in the development, the sum of all refunds shall not exceed the total Basic and Exceptional Cost paid by the Developer or $1,612 per lot multiplied by the number lots, whichever is less. The developer must apply for the refunds before the line extension becomes six years old. f. In a Development where primary taps may be required into some lots to provide adequate service or where the loads are not clearly defined, the Company may elect to install only an initial Primary Circuit through the Development (no Transformers or Secondary Circuits). The Rules for Individual Customers will be used to establish the extension cost of the Primary Circuit and that cost must be paid in advance by the Developer. The permanent Customer on each lot must meet the Rules for Individual Residential Customers for the extension into the lot, except they will not pay a share of the cost of the Primary Circuit through the Development or a share of previous extensions outside the Development. The applicable Allowance will be credited first to the Basic and Exceptional Cost to serve the permanent Customer. The Developer will be refunded only the portion of the Allowance not granted or applied to the permanent Customer. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Fourth Revision Sheet 51I Canceling I.P.U.C. No.28 Third Revision Sheet 51I 51I AVISTA CORPORATION dba vista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued 5. RULES FOR COMMERCIAL AND INDUSTRIAL CUSTOMERS a. Both the General Rules and the following rules apply to Line Extensions to serve individual Commercial and Industrial Customers. b. Single-Phase Extensions: For Customers who may be served at single phase, as determined by the Company, before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Basic and Exceptional Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension _______________________________ = extension cost 1) All terms are described in Section 3.b. and the Basic and Exceptional Costs are set forth in Section 7. The amount of the Allowance will be determined individually for each Customer based on the Company’s estimate of the Customer’s annual metered energy usage (delivered by Avista) and an allowance per kWh based on the applicable service schedule. c. Three-Phase Extensions: For Customers requiring three-phase service, as determined by the Company, before the start of construction, the Customer must submit a written application for service and pay an extension cost to the Company which is computed as follows: Total Estimated Extension Cost - Allowance + Customer-Requested Costs - Cost Reductions - (one) Design Fee of $150 (if paid) + Share of Previous Extension = extension cost IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Ninth Revision Sheet 51J Canceling I.P.U.C. No.28 Eighth Revision Sheet 51J 51J AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 – continued 1) The Total Estimated Extension Cost shall include all costs which are necessary to provide service to the Customer, as determined by the Company. The amount of the Allowance will be determined individually for each Customer based on the Company’s estimate of the Customer’s annual metered energy usage (delivered by Avista) and an allowance per kWh based on the applicable service schedule. d. When two or more Customers apply concurrently for service from the same Line Extension, each will receive an Allowance up to their proportion of the Total Estimated Extension Cost. Allowances shall be granted only against the costs of the current project and not against any part of an earlier or future extension. The Allowance will be the Total Estimated Extension Cost, or the applicable Allowance by Schedule multiplied by the Customer’s estimated metered energy usage (delivered by Avista), whichever is less: ALLOWANCE BY SERVICE SCHEDULE Schedule 11 or 12: $0.16674 per kWh Schedule 21 or 22: $0.15360 per kWh Schedule 31 or 32: $0.26623 per kWh Exception: The Company will not grant an immediate Allowance if the Company, in its sole judgement, determines that the load is unknown, or will be in service less than five years. If an Allowance is not provided at the time service is installed, the Customer is eligible to receive a refund of their Allowance when annual metered energy usage (delivered by Avista) is known and measured. Any refund of Customer Allowance must be requested by the Customer within five years of the service installation. Undeveloped Commercial and Industrial Lots: A development is a group of neighboring undeveloped lots separated by no more than streets and under the ownership or legal control of a single party as determined by the Company. The General Rules, the Rules for Commercial and Industrial Customers and the following apply to line extensions within commercial or industrial developments. Before Company facilities will be installed, the developer must submit a written application for service and a copy of the plat as approved by the governing agency depicting dedicated utility easements approved by the serving utilities. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Fourth Revision Sheet 51L Canceling I.P.U.C. No.28 Third Revision Sheet 51L 51L AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 - continued b. Before construction starts, the party requesting a Conversion or Relocation must pay a conversion or relocation cost to the Company which is computed as follows: Basic and Exceptional Cost + Customer Requested Costs - Cost Reductions = new line cost + Removal Costs - Salvage Value - (one) Design Fee of $150 (if paid) = conversion or relocation cost EXCEPTION: If the Customer is adding load and the load increase would require the Company to add or modify facilities at its expense, the conversion or relocation cost will be reduced by the estimated cost of such modification. 1) "New Line Cost" is the cost of the new line extension in accordance with the Rules for Individual Customers, except no Allowance will be credited to the cost. 2) "Removal Cost" is the cost of the labor, overheads and use of equipment required to remove the existing facilities. 3) "Salvage Value" is the value to the Company of the materials removed from the existing facilities. Materials removed may not have Salvage Value. Salvage Value will be determined in the Company’s sole discretion. 7. DEFINITIONS AND CHARGES (listed alphabetically) a. "Basic Cost" is the cost of the Service Circuit, Secondary Circuit, Transformer and Primary Circuit computed from the rates listed in this Schedule. The meters and metering facilities used by the Company for billing purposes are provided at no cost to the Customer. b. "Customer" is any individual, partnership, corporation, association, governmental agency, political subdivision, municipality or other entity. c. "Dedicated Utility Easements" are designated strips or locations within the platted development which have been approved by the serving utility companies and the local government planning department and are dedicated to the serving utility companies for the purpose of construction, reconstruction, maintenance and operation of utilities, including the IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Third Revision Sheet 51M Canceling I.P.U.C. No.28 Second Revision Sheet 51M 51M AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs SCHEDULE 51 – continued inspection of those utilities at reasonable times and the trimming or removal of brush and trees that may interfere with the construction, maintenance or operation of those utilities. d. "Design Fee" is a $150.00 payment to the Company by the Customer requesting a Line Extension, Conversion, or Relocation, in advance of the Company preparing the design. A Design Fee may be collected for any Line Extension, Conversion of Primary Circuit, or Relocation of Primary Circuit that is unusually large, complex, or of a questionable nature. Design Fees may be collected for additional designs if the Customer requests more than one design. e. "Exceptional Cost" is the cost of labor and/or materials which are necessary to construct the Line Extension but which are not included in the Basic Costs, including, but not limited to the following: a) trenching costs in excess of dirt trench b) boring or jacking under roads or rails c) pavement removal and replacement d) rights of way, permits, surveying e) riser for UG in OH area f) removal of trees and shrubs, or restoration of Customer property in excess of the replacement of sod and general cleanup. f. "Extension Certificate" is a transferable certificate which entitles the bearer to receive certain refunds. Certificates will be issued to all Customers paying for a Primary Circuit, including Developers. The conditions under which refunds will be paid are described in this Schedule and on the Certificate. g. "Point of Delivery" is the location on the Customer's premises where the Company's service conductors and the Customer's service entrance conductors are connected at a common point to permit a single meter installation. The Point of Delivery will be designated by the Company. h. "Primary Circuit" is the electrical facility between the Company's existing energized primary facilities and the proposed Transformer. The Primary Circuit is single phase, is operated at 2400 to 20,000 volts to ground and may include conductors, connectors, supporting structures, conduit and ditch. The Basic and Exceptional Cost of the Primary Circuit shall be computed using the following rates. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Twenty-Third Revision Sheet 51N Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51N 51N AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued Single-Phase Overhead Primary Circuit: Fixed Costs: $4,521 per Customer Variable Costs: $8.75 per foot Underground Primary Circuit: Fixed Costs: $1,958 per Customer Variable Costs: $11.15 per foot g. "Secondary Circuit" is the electrical facility from the Company's Transformer to a handhole or connectors from which one or more Service Circuits originate. The Secondary Circuit is single phase, is operated at less than 600 volts to ground and may include conductors, connectors, conduit, handholes, and ditch. The Basic and Exceptional Cost of the Secondary Circuit shall be computed using the following rates. Single Phase Underground Secondary Circuit: Fixed Costs: $392 per customer Variable Costs: $11.55 per foot Single Phase Overhead Secondary Circuit: Fixed Costs: $1,843 per customer IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary Supplemental Twenty-Third Revision Sheet 51O Canceling I.P.U.C. No.28 Twenty-Second Revision Sheet 51O 51O AVISTA CORPORATION dba Avista Utilities Issued June 15, 2022 Effective June 15, 2022 Issued by Avista Utilities By Patrick Ehrbar, Director of Regulatory Affairs   SCHEDULE 51 - continued h. "Service Circuit" is the electrical facility between the Company's Transformer, connectors, or handhole and the Point of Delivery for a single Customer or building. The Service Circuit is single phase*, is operated at less than 600 volts to ground and may include conductors, connectors, conduit, and ditch. The Basic and Exceptional Cost of the Service Circuit shall be computed using the following rates. These rates do not include meters and metering facilities which are used by the Company for billing purposes. Single Phase Overhead Service Circuit: Variable Costs: $3.96 per foot Single Phase Underground Service Circuit: Variable Costs: $9.14 per foot i. "Transformer" Basic and Exceptional Cost shall be computed using the following rates for single phase transformers. Single Phase Overhead Transformer Costs: $2,508 per Customer Single Phase Padmount Transformer Costs: $3,597 per Customer j. "Underground Facilities" may include primary cable, secondary and service cable, secondary and service connections, surface-type (pad- mount) Transformers, pads, enclosures, terminations, and conduit where necessary. These facilities will be owned, operated and maintained by the Company unless otherwise provided for by agreement. IDAHO PUBLIC UTILITIES COMMISSION Approved Effective July 5, 2022 June 15, 2022 Per ON 35429 Jan Noriyuki Secretary