TransAlta Temporarily Mothballs Sheerness Unit 1 for Up to Two Years
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Dec 18 2025
0mins
Source: Globenewswire
- Unit Mothballing Decision: TransAlta has decided to temporarily mothball Sheerness Unit 1 effective April 1, 2026, for up to two years, aiming to retain flexibility for future economic opportunities while ensuring the unit remains fully operational through the winter season.
- Market Adaptability: The company stated that mothballing Sheerness Unit 1 is a prudent financial decision that ensures the ability to quickly return the unit to service when market fundamentals or contracting opportunities arise, thereby maximizing the long-term value of the asset.
- Data Center Strategy Progress: TransAlta expressed satisfaction with the ongoing progress of its data center strategy, indicating a proactive approach to exploring growth potential in emerging markets while diversifying its power generation assets.
- Environmental Responsibility Commitment: Since 2015, TransAlta has achieved a 70% reduction in greenhouse gas emissions, equivalent to 22.7 million tonnes of CO2e, reflecting the company's strong commitment to sustainability and environmental responsibility.
Analyst Views on TAC
Wall Street analysts forecast TAC stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for TAC is 17.38 USD with a low forecast of 12.96 USD and a high forecast of 19.44 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
7 Analyst Rating
5 Buy
2 Hold
0 Sell
Moderate Buy
Current: 12.700
Low
12.96
Averages
17.38
High
19.44
Current: 12.700
Low
12.96
Averages
17.38
High
19.44
About TAC
TransAlta Corporation owns, operates, and develops a diverse fleet of electrical power generation assets in Canada, the United States and Australia. It provides municipalities, medium and large industries, businesses, and utility customers with affordable, energy-efficient, and reliable power. Its portfolio includes hydro, wind, solar, battery storage, natural gas, and thermal power. Its segments include Hydro, Wind & Solar, Gas, Energy Transition, Energy Marketing, and Corporate. It has over 88 energy assets in the portfolio. It has a diversified fleet of hydro, wind, solar, natural gas, and cogeneration generates over 9,000 megawatts of electricity. It delivers renewable energy solutions for large-scale commercial partners, including technology companies. It operates a fleet of electrical power generation assets, including Antrim Wind Project, Lakeswind Facility, Old Town Wind Project, White Rock East Project, Mass Solar Project, Fortescue River Gas Pipeline, and others.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.








