TransAlta (TAC) has entered into an agreement to acquire two Colorado natural gas peaking facilities totaling 318 megawatts in a $1 billion transaction, the company said Wednesday.
The acquisition includes Mountain Peak Power and Canyon Peak Power, indirect Blackstone subsidiaries that own two newly built natural gas peaking plants near Denver, Colorado, the company said.
Mountain Peak Power operates a 162 MW facility that entered service in Sept. 2025, while the 156 MW Canyon Peak Power plant is expected to begin commercial operations in Q3 of 2026, the company said.
The assets are expected to generate about $80 million in annual adjusted EBITDA and provide long-term contracted cash flows.
Chief Executive Officer Joel Hunter said the acquisition will generate long-term contracted cash flows that TransAlta can reinvest in growth opportunities, including the Centralia and Alberta data center developments.
"It strengthens our business risk profile, is immediately accretive to our free cash flow per Share and establishes a strategic foothold in Colorado, a state we believe has accelerating growth potential," Hunter said.
The $1 billion transaction includes $750 million of senior secured project debt and $250 million of equity, with TransAlta simultaneously launching a $350 million bought deal common share offering.
TransAlta said net proceeds from the $350 million bought deal offering will fully fund the equity portion of the acquisition, while the project debt is non-recourse, fully amortizing and carries investment-grade ratings.
The company said portfolio optimization initiatives, asset recycling opportunities, recovering Alberta power prices and Centralia's return to service are expected to strengthen credit metrics.
TransAlta expects to close the acquisition in early Q4 2026, subject to Canyon Peak Power reaching commercial operation, regulatory approvals and other customary closing requirements.
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