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Capitalization | 12 Months Ended
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Dec. 31, 2025
Equity [Abstract] |
Capitalization | Capitalization H2O America is authorized to issue 70,000,000 shares of common stock of $0.001 par value per share. At December 31, 2025 and 2024, 36,118,242 and 33,629,169, respectively, shares of common stock were issued and outstanding. As of December 31, 2025 and 2024, 1,000,000 shares of preferred stock of $0.001 par value per share were authorized for H2O America. At December 31, 2025 and 2024, no shares of preferred stock were issued or outstanding. On October 29, 2024, H2O America entered into an equity distribution agreement (the, “New Equity Distribution Agreement”) with BofA Securities, Inc., J.P. Morgan Securities LLC, RBC Capital Markets, LLC and Wells Fargo Securities, LLC, pursuant to which the company may offer and sell shares of its common stock, $0.001 par value per share, from time to time in “at-the-market” offerings, having an aggregate gross sales price of up to $200,000. Since the inception of the New Equity Distribution Agreement, H2O America has issued and sold 2,763,359 shares of common stock at a weighted average price of $52.39 for a total net proceeds of $142,975 and has $55,239 of aggregate gross sales price of shares remaining to issue under the New Equity Distribution Agreement as of December 31, 2025. For the year ended December 31, 2025, H2O America issued and sold a total of 2,387,846 shares of common stock with a weighted average price of $51.90 per share and received $122,806 in net proceeds under the aforementioned equity distribution agreements.

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