Transmission lines at dusk with ground perspective

In the late 1990s, the Federal Energy Regulatory Commission introduced competition in the electricity sector, leading to the development of organized electricity markets. While several regions in the United States quickly adapted to this new model, the West has taken an incremental approach to regional wholesale electricity markets. In recent years, market initiatives such as resource adequacy programs and day-ahead market services have been expanded to Western utilities outside of California. 

For more information, read the Western Energy Markets Explainer.

List of Orders

Downloadable PDFs of orders are available in the Docket No. column. 

Docket No. 

Year 

Company 

Order Citation 

Initiative 

ER24-1658-000 2024 Southwest Power Pool, Inc. Pending Markets+

ER22-2686-000

2023

California Independent System Operator Corporation 

185 FERC ¶ 61,210 

Extended Day-Ahead Market

ER22-2762

2023

Western Power Pool 

182 FERC ¶ 61,063 

Western Resource Adequacy Program 

ER21-3-000

ER21-4-000

2020

Southwest Power Pool 

173 FERC ¶ 61,267 

Western Energy Imbalance Service 

ER14-1578

2014

PacifiCorp 

147 FERC ¶ 61,227  

Western Energy Imbalance Market  

ER14-1386-000

2014

California Independent System Operator Corporation 

147 FERC ¶ 61,231 

Western Energy Imbalance Market 

 

 

 

Contact Information


This page was last updated on April 04, 2024