Vistra Corp (NYSE: VST) released its Q3 2025 earnings report on November 6, surprising investors with a revenue miss of 19.3%. Despite this setback, the company remains optimistic about its future prospects, as evidenced by its aggressive 2026 guidance and a new $1 billion share buyback program.
In Q3, Vistra reported revenue of $4.97 billion, falling short of the $6.16 billion consensus estimate. The decline was attributed to lower mark-to-market gains on derivatives and an outage at the Martin Lake Unit 1. However, the company demonstrated strong operational performance, generating $923 million in free cash flow and $1.35 billion in operating cash flow.
Net income saw a significant decline to $652 million from $1.84 billion the previous year, primarily due to accounting adjustments. Despite this, realized energy and capacity prices actually improved during the quarter, highlighting the company’s underlying strength.
Looking ahead, Vistra provided adjusted EBITDA guidance for 2026 in the range of $6.8 billion to $7.6 billion, representing a 22% to 29% growth from the midpoint of 2025 guidance. This bullish forecast reflects the company’s confidence in its strategic initiatives, including recent acquisitions and new project developments.
In addition to the positive outlook, Vistra authorized a $1 billion share repurchase program expected to be completed by 2027. This move underscores management’s belief in the company’s long-term cash generation potential and attractive valuation.
CEO Jim Burke emphasized the company’s focus on disciplined growth and meeting customer needs in key markets, highlighting strategic milestones achieved during the quarter. Despite the revenue miss, management views this as a temporary setback in a broader growth trajectory.
Investors are advised to pay attention to the earnings call scheduled for 10:00 AM ET on November 6, where management is expected to provide further insights into the revenue shortfall and upcoming projects. The company’s ability to sustain higher energy and capacity prices will be key drivers of future profitability.
While the revenue miss may have initially dampened investor sentiment, Vistra’s strong cash generation, robust guidance, and capital deployment through buybacks suggest a promising outlook for long-term investors. Caution is warranted until management clarifies the drivers of the shortfall and the sustainability of pricing trends moving forward.

