Shares of Hallador Energy Company (NASDAQ: HNRG) surged 8.31% in after-hours trading on Monday following the release of its second quarter 2025 financial results, which significantly exceeded analyst expectations.

The company reported quarterly earnings of $0.19 per share, dramatically beating the analyst consensus estimate of $(0.15) by 226.67%. This represents a substantial improvement from the loss of $(0.27) per share in the same period last year. Hallador's quarterly revenue came in at $102.889 million, surpassing the analyst consensus estimate of $94.054 million by 9.39% and marking a 13.17% increase from the $90.914 million reported in the same quarter of the previous year.

Key highlights from the Q2 2025 results include: - Net income of $8.2 million, compared to a net loss of $10.2 million in Q2 2024 - Adjusted EBITDA of $3.4 million, up from $(5.8) million in the year-ago quarter - Operating cash flow of $11.4 million - Total revenue increased 10% year-over-year to $102.9 million, driven by strong coal sales The company's President and CEO, Brent Bilsland, attributed the strong performance to operational resilience, improved cost efficiency in coal operations, and higher-than-expected market pricing in late June. Hallador also reported progress in its commercial strategy to secure a long-term power purchase agreement, with increased momentum in discussions with potential partners.