TransAlta Provides Notice to Mothball Sheerness Unit 1
TransAlta Corporation Ordinary Shares (TAC)
Last transalta corporation ordinary shares earnings: 3/4 07:00 am
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Source: GlobeNewswire
CALGARY, Alberta, Dec. 18, 2025 (GLOBE NEWSWIRE) -- Alberta Power (2000) Ltd., a subsidiary of TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC), provided notice to the Alberta Electric System Operator on December 18, 2025, that Sheerness Unit 1 will be temporarily mothballed effective April 1, 2026, for a period of up to two years. TransAlta maintains the flexibility to return the mothballed unit to service when market fundamentals or contracting opportunities are secured. The unit will remain available and fully operational through the winter season and Sheerness Unit 2 will remain fully in service. "We have made the prudent financial decision to temporarily mothball Sheerness Unit 1 while reserving it for future economic opportunities. There is significant value at our Alberta thermal sites and we remain very pleased with the continued progress on our data centre strategy. Today's decision ensures we preserve the long-term optionality of the asset," said Joh
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News
- TransAlta Provides Notice to Mothball Sheerness Unit 1 [Canadian Business Journal (Canada)]Canadian Business Journal
- U.S. Orders TransAlta to Keep Washington Coal Plant Running Past Retirement [Yahoo! Finance]Yahoo! Finance
- U.S. orders Washington coal plant to stay open to avert winter shortages [Seeking Alpha]Seeking Alpha
- Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for 90 Days [Yahoo! Finance]Yahoo! Finance
- Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for 90 DaysGlobeNewswire
TAC
Earnings
- 11/6/25 - Miss
TAC
Sec Filings
- 12/18/25 - Form 6-K
- 12/17/25 - Form 6-K
- 12/15/25 - Form 6-K
- TAC's page on the SEC website