20260709Appendix C - Public Meeting Fact Sheet and Presentation.pdf

1 [phone] myavista.com
Updated July 2023
Fact Sheet
Carlin Bay - O'Gara
Transmission Line
myavista.com/CBY-OGA
Project Overview
Avista owns and operates a system of over 2,200 miles of federal lands. We value your input on the new route.
electric transmission facilities. As we plan for the future, Open house opportunities will be available to learn more
we forecast how much power we will need to serve all our and comment.
customers and how that power will get there safely and
reliably. Sometimes that means extending our transmission FAQS
facilities and lines.
1. How will a new route be decided?
About 20 years ago,we began to plan for the amount of
power needed on the east side of Lake Coeur d'Alene.The Avista has formed a team of subject matter experts familiar
existing system can no longer support the growth in the area. with 115 kV line design, environmental review and permitting,
In 2011,Avista purchased property for a new substation. public process and information, and rights-of-way acquisition.
It will be built near Carlin Bay on South Elk Road, located As a first step to this project, Avista representatives are
approximately 6 miles conducting environmental and structure location surveys to
north of Harrison in help identify the option(s)that will be least impactful
Kootenai County, to the surrounding area. Utilizing this information and
just off Highway 97. Carlin Bay Substation the feedback from the community during the open
houses, Avista will determine the final route.
We are now looking Carlin Bay-O'Gara
at where the Transmission Line 2. How can I participate.
e Coeur d'Alene
transmission lines Avista encourages you to participate in this transmission
will come from for line upgrade process at an open house or submitting
the new substation. comments through the designated website. Input
Coe r d'Alen River
The area between concerning the line route and transmission line
the Carlin Bay erson Lake appearance is appreciated and will be considered
substation and the •Harrison in the final design
O'Gara substation Lacon Black La 3. When are the Open Houses?
has diverse terrain—
mountains, forests, Avista will be hosting public open houses to discuss
wetlands, river the specifics of this project. Tentative dates for these
crossings and Conklin 'Cara Subst 'o are September-November 2023. Final dates, locations,
farmland. Most of Park and times of these meetings are forthcoming and will
it is privately owned be posted on myavista.com/CBY OGA.
though there are
some state and OIL

1 [phone] myavista.com
Updated July 2023
About Transmission Poles The Need for Additional Line Capacity
{ . Avista will use primarily single pole Avista has not built new 115kV Transmission Lines in this
setups made from corten steel. This is area since the early 1960s.Today, the growth of our region
a self-weathering steel with a coating has left very little transmission capacity for continued
that looks very similar to rust. In forested growth or emergency situations.
fy' environments, the poles blend in with the
surroundings better than galvanized steel. HOW is the Environmental
'. These poles will typically be 60-100' above Impact Considered?
_ ground, but certain terrain or environmental While impacts cannot be avoided, we have looked
obstacles could necessitate alternative extensively into how they can be minimized. We have
I AS, designs and heights. identified critical areas between the Carlin Bay substation
and the O'Gara substation that we would like to avoid
Project Schedule entirely. We have also identified preferred corridors that
• Transmission Siting Review: Completed January 2024 would require the least amount of site disturbance.
• Preliminary Design: 2024 When analyzing possible routes, all types of factors,
• Easement Acquisition Process: 2024 including but not limited to current land use, water bodies
(wetlands, rivers, lakes, ponds, etc.), critical habitat,
• Permitting and Design Begins: 2024 floodplains, and geologically hazardous areas,were given
• Transmission Line Construction Beings: 2025 a weighted value based on their significance. When
• Transmission Line Construction Complete: 2026 analyzing possible routes, all types of factors, including but
not limited to current land use,water bodies(wetlands,
Advantages' rivers, lakes, ponds, etc.), critical habitat, floodplains, and
Through projects like this, Avista will be able to bring geologically hazardous areas,were considered.
more power into the area. Other advantages include: Once a final route is confirmed,we will take a closer look
at how impacts can be further reduced. Where possible,
- Increased reliability for customers. the transmission line may be able to span over sensitive
- Increased flexibility to deliver energy areas or shift slightly to avoid them completely.
and reserve capacity.
- Provide a back-up resource to shift electrical Questions?
loads when there is an outage, equipment failure, For more information,visit myavista.com/CBY-OGA
etc. which will help restore power more quickly. or email [e-mail].
- Provide the capacity to respond to future growth
and energy demands.

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Preliminary Carlin Bay Route
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Introductions
• Black & Veatch
Vernon Padaca- Project Manager
Brad Johnson — Engineering Manager
Sean McDonald — Sr ROW & Routing Manager
Christina Suarez — ROW Manager
• Contract land Staff (CLS)
Kimberly Merritt — Regional Manager
• Avista
We have professionals from Avista with us as well
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Preliminary Project Summar • 1�Q;99 Preliminary Carlin Bay Route
Carlin Bay to O'Gara
Scope: Construction of a new 115
kV transmission line from the new
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O'Gara • • to the new
Carlin Bay substation Near
Harrison,, ID
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PreliminaryProject Summary�
Avista formed a team of subject matter experts familiar with transmission line
design, environmental review, permitting, public process information, and ROW _
acquisition.
Several routes were identified and through extensive evaluation of many factors
as well as minimizing impact to the surrounding area, this preliminary route was
selected. With feedback from you during the public process, Avista will determine
the final route.
Growth of the region has left very little transmission capacity to support
continued growth or emergency situations.
Other advantages include:
Increased reliability for customers
Increased flexibility to deliver energy and reserve capacity
Provide a back-up resource to shift electrical loads when there is an
outage, equipment failure, etc. which will help restore power more
quickly
Provide capacity to respond to future growth and increasing energy
demands
VISTA

RoutingMethodology - P. L.A. E
• Preferred
Least impact routing method determined by Avista, 6&V and CLS.
Example: Road Corridors, Powerline Corridors, etc.
• Low Avoidance
Features that are difficult to avoid but need to minimize impact as much as possible.
Example: Stream Crossings, Road Crossings, Railroad Crossings, etc.
• Avoidance
Features that could hinder permitting, schedule, or constructability, but need to be
reviewed more carefully after the first route is generated for a better understanding.
Example: Forested Wetlands, Populated Areas, etc.
• Exclusion
Features that could cause severe implications to the project.
frullrmstA

Schedule — Order of activity
• Preliminary Route Corridor Identification • Detailed engineering 2024
2023 • Right of Way Acquisition 2024
• Public Engagement 2023 . permitting 2024
• Landowner Contact TBD • Construction 2025
• Landowner Survey Permission TBD . Remediation
• Structure Location Staking TBD . project completion 2026
• Land Survey of affected Landowners TBD
• Environmental/Cultural Survey TBD

Primary Contacts
Brad Johnson
[e-mail]
303-256-4037
Sean McDonald
[e-mail]
630-590-0553
For additional information please visit
www.mvavista.com/CBY-OGA
Or Email Avista At:
[e-mail]