Company: POR
Filing Date: 2025-02-14
Form Type: 10-K
Source: 0000784977-25-000012
Chunk: 18

Company: PORTLAND GENERAL ELECTRIC CO /OR/
Filing Date: 2025-02-14
Form: 10-K
Item: Item 1
Chunk 18
---
 are entered into with various counterparties to provide additional firm energy to help meet the Company’s load requirements.

PGE also utilizes spot purchases of power in the open market to secure the energy required to serve its retail customers. Such purchases are made under contracts that range in duration from 15 minutes to less than one month. PGE is a market participant in the western EIM, which allows certain of the Company’s generating plants to receive automated dispatch signals from the CAISO for load balancing with other western EIM participants in five-minute intervals. 

For additional information regarding PGE’s power purchase contracts, see Note 16, Commitments and Guarantees and Note 17, Leases, in the Notes to Consolidated Financial Statements in Item 8.—“Financial Statements and Supplementary Data.”

    Energy Storage

Resources in PGE’s energy storage portfolio that are in operation and under development as of December 31, 2024 are primarily as follows:

•Wheatridge—The Wheatridge Renewable Energy Facility includes a 30 MW battery component. Subsidiaries of NextEra Energy Resources, LLC own the solar and battery components, and sell their portion of the output to PGE.

•Sundial (formerly Troutdale Grid)—PGE entered into a storage capacity agreement for a 200 MW Battery Energy Storage System (BESS) in Troutdale, Oregon. NextEra Energy Resources, LLC owns the resource and sells the capacity to PGE under a 20-year agreement. The project was placed in-service in December 2024.

17

•Coffee Creek—PGE entered into an agreement to construct a 17 MW BESS in Sherwood, Oregon. PGE owns the resource. The project was placed in-service in November 2024.

•Constable (formerly Evergreen)—PGE entered into an agreement to construct a 75 MW BESS in Hillsboro, Oregon. PGE owns the resource. The project was placed in-service in December 2024.

•Seaside Grid—PGE entered into an agreement to construct a 200 MW BESS in Portland, Oregon. PGE will own the resource. The project has an estimated commercial operation date of June 30, 2025.

Certain other energy storage assets are considered immaterial and are not reflected in the resource and contracted capacity table above.

Future Energy Resource Strategy

PGE’s IRP outlines the Company’s plan to meet future customer demand and describes PGE’s future energy supply strategy. For a detailed discussion of the IR