Vistra stock was rising in premarket trading Thursday after the energy company reported strong fourth-quarter earnings and reiterated its full-year guidance.

Shares climbed 7% to $159 after Vistra reported net income of $490 million for the December quarter, up from a loss of $184 million in the prior year. Vistra also posted adjusted earnings before interest, taxes, depreciation and amortization of $1.93 billion in the quarter, topping analysts’ calls for $1.38 billion, according to FactSet.

The company reaffirmed its 2025 guidance for ongoing operations adjusted Ebitda in the range of $5.5 billion to $6.1 billion. Vistra also said it expects adjusted free cash flow before growth of between $3 billion and $3.6 billion.