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Home My WebLink About20251023PPCA Exhibits.pdf RECEIVED OCTOBER 23, 2025 IDAHO PUBLIC UTILITIES COMMISSION Capitol Water Corporation Calculation of Purchased Power Cost Adjustment Based Upon Energy Consumption in the Year 2024 1 Base Revenue $823,592 Per Order No.36427,Case No.CAP-W-24-01 2 Actual Power Cost from 2024 $113,416 From Power Bills Workpaper 3 Power Cost Embedded in 2024 Base Revenue $75,483 Calculated Per Order No.30762,Case No.CAP-W-08-02 4 Incremental Cost $37,933 Line 2 less Line 3 5 PPCA Required 4.61% Line 4/Line 1 6 Current PPCA 3.33% From Current Tariff 7 Incremental Increase in PPCA 1.28% 8 Incremental Revenue Produced by New PPCA $37,933 Line 1 X Line 5 9 Incremental Revenue Produced by Current PPCA $27,426 Line 1 X Line 6 10 Increase or(Decrease)from Current Charges $10,507 Line 8 less Line 9 Exhibit No. 1 Purchased Power Cost Adjustment Calculation Capitol Water Corporation Case No. CAP-W-25-03 CAPITOL WATER CORPORATION Sheet 3 Replaces All Previous Sheets SCHEDULE NO. 3 OTHER RECURRING AND NON-RECURRING CHARGES RECURRING CHARGES Applicable: To all customer bills Purchased Power Cost Adjustment (PPCA): Beginning January 1,20259 all customer bills will be increased by 3.334.61%. The purpose of the PPCA is to allow the Company to adjust its rates when its power supply costs increase or decrease. The PPCA is expressed as a percentage,which only applies to the monthly charges for service as listed in Schedule No. 1,2,and 4. It does not apply to the total bill amount,which includes other charges such as the DEQ fee and the City of Boise Franchise Fee as shown below. City of Boise Franchise Fee: All customer bills will be increased by 3%for payment of Franchise Fees assessed by the City of Boise. Department of Environmental Quality Fee: All customer bills will be increased by$0.34 to collect the assessment required by the Idaho Department of Environmental Quality. NON-RECURRING CHARGES Applicable: To all customer bills Reconnection Charges: A reconnection charge will be assessed to any customer who has been voluntarily or involuntarily disconnected in compliance with the Idaho Public Utilities Commission's Utility Customer Relations Rules(UCRR). Charges do not apply to customers who have been involuntarily disconnected for the convenience of the Company. Reconnection Charge: $20.00 The following"Customer Requested Service Calls"charges also apply. Customer Requested Service Calls: During Normal Business Hours $0.00 Other Than Normal Business Hours $20.00 Service call charges will be waived if the service call resulted in repair to the Company's equipment through no fault of the Customer. Normal Business Hours are 8 AM to 5 PM, Monday through Friday excluding Legal Holidays. Returned Check Charge: In the event a customer's check is returned by the Company's bank for any reason, the Company will charge the customer's account a processing fee of: $15.00 Meter Testing Fee: Not Currently in Use. Per Commission Order No. 36437 Issued: January 10,20266 Effective: January 01,20266 By President Exhibit No. 2 Redlined Tariff Capitol Water Corporation Case No. CAP-W-25-03 Caplyd NOTICE TO OUR CUSTOMERS Capitol Water Corporation filed an application with the Idaho Public Utilities Commission with a proposal to increase its Purchased Power Cost Adjustment from 3.33%to 4.61%, an increase of 1.28 percentage points. Flat-rate customers with a service line of 3/a inches, the majority of flat-rate customers, would increase by $0.43 per month for the months of May through September, and increase by $0.19 for all other months in the year. All other flat-rate customers with lines larger than 3/a inch would receive a corresponding increase in current rates of 1.28%. Metered customers will see an increase of 1.28%, based on the amount of the customer bill for the minimum charge and the commodity charge. Fireline customers will see an increase in the monthly charge of 1.28%. These amounts have been calculated based on current rates. The Company expects this amount to be adjusted based on the outcome of the current general rate case, CAP-W-25-02. The Company has asked for an effective date on or after January 1, 2026, upon the conclusion of the current general rate case. The Purchased Power Cost Adjustment appears on water bills as"PPCA". The purpose of the PPCA is to allow the Company to adjust its rates when its power supply costs increase or decrease. The PPCA is expressed as a percentage, which only applies to the monthly charges for service as listed in Schedules 1, 2, and 4. It does not apply to the total bill amount, which includes other charges such at the DEQ fee and the City of Boise Franchise Fee. The application is expected to produce an increase in Company revenues of$10,507 over current rates. It will take several months for the Commission to accept, reject or modify this rate increase request. Capitol Water Corporation's application for a rate increase is a proposal, subject to public review, and a Commission decision. A copy of the application is available for public review at the offices of both the Commission and Capitol Water Corporation, and on the Commission's website Exhibit No. 3 Customer Notice Capitol Water Corporation Case No. CAP-W-25-03 (www.puc.idaho.gov). Customers may also subscribe to the Commission's RSS feed (http://www.puc.idaho.gov/rssfeeds/rss.htm)to receive periodic updates via email about the case. Customers may file written comments related to the filing with the Commission. If you would like to submit comments on the proposed rate change, you can do so by going to the Commission website https://puc.idaho.gov/Form/CaseComment or mail comments to: Idaho Public Utilities Commission PO Box 83720 Boise, ID 83702 When filing comments, please reference the rate case docket number CAP-W-25-03. Exhibit No. 3 Customer Notice Capitol Water Corporation Case No. CAP-W-25-03 capW PRESS RELEASE Capitol Water Corporation filed an application with the Idaho Public Utilities Commission with a proposal to increase its Purchased Power Cost Adjustment from 3.33%to 4.61%, an increase of 1.28 percentage points. Flat-rate customers with a service line of 3/4 inches,the majority of flat-rate customers, would increase by $0.43 per month for the months of May through September, and increase by $0.19 for all other months in the year. All other flat-rate customers with lines larger than 3/4 inch would receive a corresponding increase in current rates of 1.28%. Metered customers will see an increase of 1.28%, based on the amount of the customer bill for the minimum charge and the commodity charge. Fireline customers will see an increase in the monthly charge of 1.28%. These amounts have been calculated based on current rates. The Company expects this amount to be adjusted based on the outcome of the current general rate case, CAP-W-25-02. The Company has asked for an effective date on or after January 1, 2026, upon the conclusion of the current general rate case. The Purchased Power Cost Adjustment appears on water bills as "PPCA". The purpose of the PPCA is to allow the Company to adjust its rates when its power supply costs increase or decrease. The PPCA is expressed as a percentage, which only applies to the monthly charges for service as listed in Schedules 1, 2, and 4. It does not apply to the total bill amount, which includes other charges such at the DEQ fee and the City of Boise Franchise Fee. The application is expected to produce an increase in Company revenues of$10,507 over current rates. It will take several months for the Commission to accept, reject or modify this rate increase request. Capitol Water Corporation's application for a rate increase is a proposal, subject to public review, and a Commission decision. Exhibit No. 4 Press Release Capitol Water Corporation Case No. CAP-W-25-03 A copy of the application is available for public review at the offices of both the Commission and Capitol Water Corporation, and on the Commission's website (www.puc.idaho.gov). Customers may also subscribe to the Commission's RSS feed (http://www.puc.idaho.gov/rssfeeds/rss.htm)to receive periodic updates via email about the case. Customers may file written comments related to the filing with the Commission. If you would like to submit comments on the proposed rate change, you can do so by going to the Commission website https://puc.idaho.gov/Form/CaseComment or mail comments to: Idaho Public Utilities Commission PO Box 83720 Boise, ID 83702 When filing comments, please reference the rate case docket number CAP-W-25-03. Exhibit No. 4 Press Release Capitol Water Corporation Case No. CAP-W-25-03