Global expertise, local impact.

TransAlta is one of Canada’s largest publicly traded power generators, delivering reliable electricity across Canada, the United States and Western Australia.

Investors

Reliable cash flows supported by a technology-diverse portfolio, disciplined capital allocation and selective growth, creating long-term shareholder value, across an evolving energy landscape.

See our results

Facilities

We safely operate and evolve essential hydroelectric, wind, solar, battery storage, gas and energy transition infrastructure that powers our communities and economies.

Meet the fleet

Sustainability

Sustainability is integrated into how we operate, govern and make decisions. We focus on balancing reliability, affordability, risk management and long-term value as energy systems evolve.

See our impact

Innovation rooted in legacy

Our technology-diverse portfolio and disciplined execution allow us to deliver dependable power across evolving energy systems. We take a practical, responsible approach to meeting today’s energy needs while preparing for what comes next.

The latest from TransAlta’s newsroom

Oct 22, 2026

TransAlta Advances Portfolio Rotation Through Sale of Minority Interest in Oklahoma Wind Portfolio for US$305 Million and Closes Acquisition of Colorado Gas Assets for US$1 Billion

CALGARY, Alberta, Oct. 22, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) announced today that it has closed the sale of a 49 per cent minority...

Oct 5, 2026

TransAlta to Host Third Quarter 2026 Results Conference Call

CALGARY, Alberta, Oct. 05, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX:TA) (NYSE:TAC) will release its third quarter 2026 results before markets open on Tuesday,...

Sep 14, 2026

Department of Energy Mandates Centralia Unit 2 Remain Available for Operation for Additional 90 Days

CALGARY, Alberta, Sept. 14, 2026 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) confirms that its subsidiary, TransAlta Centralia Generation LLC, has...

Visit the newsroom

What sets TransAlta apart

A focused growth strategy

At TransAlta, growth is grounded in disciplined execution and long-term value creation. Our portfolio includes hydro, wind, solar, battery storage and thermal generation, complemented by asset optimization and energy marketing capabilities.

Our strategic priorities

A century-long legacy

TransAlta has been serving our customers for over 115 years, first in Alberta and today across Canada, the United States and Western Australia. We are a trusted partner offering technology-diverse, tailored solutions that continue to evolve to match our customers’ needs.

Our history