Xcel's Public Service Company of Colorado decided to delay its entry into CAISO's Western Energy Imbalance Market in order to re-examine its decision.

Stakeholders in SPP’s Western Energy Imbalance Service market approved three revision requests in response to FERC’s rejection of the proposed Tariff.

FERC said SPP's proposed Tariff for its Western Energy Imbalance Service market fails to respect transmission rights of non-participants.

SPP's Western Energy Imbalance Service market is at risk of falling behind schedule because it is still waiting on FERC approval of the standalone Tariff.

Four Colorado utilities decided to join CAISO’s Energy Imbalance Market instead of SPP’s Western Energy Imbalance Service because of the economic benefits.

CAISO’s Western EIM delivered more than $60 million in benefits to its participants in the fourth quarter of 2019, bringing the total to $862 million.

Tri-State Generation and Transmission Association said it will shut down 1,111 MW of coal-fired generation and an associated coal mine.

PG&E's bankruptcy looks likely to continue through the first half of 2020, while CAISO seeks to expand its EIM and meet reliability requirements.

Xcel Energy, Black Hills Colorado Electric, Colorado Springs Utilities and Platte River Power Authority announced they will join CAISO's EIM.

SPP became the first regional transmission organization to handle RC services in the Eastern and Western Interconnections.