Otter Tail Corporation filed its quarterly report on Form 10-Q with the U.S. Securities and Exchange Commission on August 5, 2026, covering the fiscal quarter ended June 30, 2026.

Key Highlights

  • Shares outstanding: 41,985,580 common shares ($5 par value) as of July 31, 2026.
  • Total assets: $4,293,605 thousand as of June 30, 2026, up from $3,964,279 thousand at December 31, 2025.
  • Long-term debt: $1,132,889 thousand at June 30, 2026, compared with $963,566 thousand at December 31, 2025.
  • Total shareholders' equity: $1,876,871 thousand at June 30, 2026, versus $1,861,760 thousand at December 31, 2025.
  • Electric revenues (six months): $287,188 thousand for the six months ended June 30, 2026, compared with $278,451 thousand for the same period in 2025.
  • Product sales (six months): $394,221 thousand for the six months ended June 30, 2026, versus $391,945 thousand for the same period in 2025.
  • Restricted cash: $73,500 thousand reported at June 30, 2026, compared with zero at December 31, 2025.

Otter Tail Corporation Balance Sheet and Revenue Details for Q2 2026

According to the filing, Otter Tail Corporation (NASDAQ: OTTR) reported total assets of $4,293,605 thousand as of June 30, 2026, an increase from $3,964,279 thousand at December 31, 2025. The company disclosed that property, plant and equipment, net of accumulated depreciation, rose to $3,138,430 thousand from $2,876,685 thousand over the same period. Total current assets were $837,353 thousand at June 30, 2026, compared with $799,725 thousand at year-end 2025.

On the liabilities side, the registrant reported long-term debt of $1,132,889 thousand at June 30, 2026, up from $963,566 thousand at December 31, 2025. Total current liabilities increased to $490,568 thousand from $350,958 thousand, which the balance sheet shows was partly driven by other current liabilities rising to $150,427 thousand from $46,433 thousand. Short-term debt stood at $53,847 thousand at June 30, 2026, down from $60,242 thousand at December 31, 2025. Total shareholders' equity was $1,876,871 thousand, with retained earnings of $1,234,046 thousand.

For the six months ended June 30, 2026, the filing reported electric revenues of $287,188 thousand and product sales of $394,221 thousand, for a combined total that the filing labels as total operating revenues. For the three months ended June 30, 2026, electric revenues were $121,320 thousand and product sales were $213,063 thousand. The company noted 41,985,580 and 41,905,520 common shares outstanding at June 30, 2026 and December 31, 2025, respectively, with 50,000,000 shares authorized at a $5 par value. The filing also carries the standard cautionary language that forward-looking statements are subject to risks and uncertainties as described in the company's regulatory filings.

What Was Disclosed

Otter Tail Corporation's Form 10-Q for the quarter ended June 30, 2026 disclosed consolidated balance sheet data, operating revenue figures for both the three- and six-month periods, share counts, and updated debt levels compared with December 31, 2025.