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Note 1 - General | 6 Months Ended
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Jun. 30, 2025
Notes to Financial Statements |
Basis of Presentation and Significant Accounting Policies [Text Block] | 1. General Nature of Activities Founded in 2006 and headquartered in Cupertino, California, Aemetis, Inc. (collectively with its subsidiaries on a consolidated basis referred to herein as “Aemetis,” the “Company,” “we,” “our” or “us”) is a renewable natural gas and biofuels company focused on the operation, acquisition, development, and commercialization of innovative technologies that lower fuel costs and reduce emissions. We do this by building a local circular bioeconomy using agricultural products and wastes. Our current operations include: ► California Ethanol – We own and operate a 65 million gallon per year capacity ethanol production facility in Keyes, California (the “Keyes Plant”). In addition to low carbon renewable fuel ethanol, the Keyes Plant produces Wet Distillers Grains (“WDG”), Distillers Corn Oil (“DCO”), and Condensed Distillers Solubles (“CDS”), all of which are sold as animal feed to local dairies and feedlots. The Keyes Plant also sells CO₂ that it captures from its fermenters for use to produce commercial grade CO₂ for the food, beverage, and other industries. We are implementing several energy efficiency initiatives at the Keyes Plant focused on reducing operating costs and lowering the carbon intensity of our ethanol to increase revenues. ► California Dairy Renewable Natural Gas – We produce Renewable Natural Gas (“RNG”) in central California. We currently have eleven anaerobic digesters that produce biogas from dairy waste, a 36-mile biogas collection pipeline leading to a central RNG production facility, and an interconnection to inject the RNG into the utility natural gas pipeline for delivery for use as transportation fuel. We are actively expanding our RNG production, with several additional dairy digesters under construction, agreements with a total of 50 dairies, and a completed environmental review for an additional 24 miles of biogas pipeline. We are also building our own RNG fuel dispensing station, which is planned to begin operating in 2025. ► India Biodiesel – We own and operate a plant in Kakinada, India (“Kakinada Plant”) with a capacity to produce about 80 million gallons per year of high-quality distilled biodiesel from a variety of vegetable oil and animal waste feedstocks. The Kakinada Plant is one of the largest biodiesel production facilities in India. The Kakinada Plant also distills the crude glycerin byproduct from the biodiesel refining process into refined glycerin that is sold to the pharmaceutical, personal care, paint, adhesive, and other industries. In addition, we are actively growing our business by seeking to develop or acquire new facilities, including the following key projects: ► Sustainable Aviation Fuel and Renewable Diesel – We are developing a sustainable aviation fuel (“SAF”) and renewable diesel (“RD”) production plant to be located at the Riverbank Industrial Complex in Riverbank, CA. The plant is currently designed to produce 90 million gallons per year of RD or 78 million gallons per year of SAF from renewable vegetable and animal oils obtained from our other biofuels plants and other North American sources. The plant is designed to use low-carbon hydroelectric electricity and renewable hydrogen that will be generated from byproducts of SAF/RD production. We received the Use Permit and California Environmental Quality Act (CEQA) approvals for the development of the plant in September 2023 and the Authority to Construct air permits in March 2024. We are continuing with the engineering and other required development activities for the facility. ► Carbon Capture and Underground Sequestration – We are developing a Carbon Capture and Underground Sequestration (“CCUS”) facility, also to be located at the Riverbank Industrial Complex, that is designed to inject carbon dioxide more than one mile underground for geologic storage to reduce greenhouse gas emissions to the atmosphere that contribute to global warming. We have completed the first phase of drilling for the characterization well, and we are continuing engineering, permitting and other development activities for the characterization well and the permanent sequestration injection and monitoring wells. Our current and planned businesses produce renewable fuels and reduce emissions, generating revenues from biofuel sales, federal Renewable Fuel Standard ("RFS") credits, federal Section 45Z production tax credits (“45Z PTC”), California Low Carbon Fuel Standard (“LCFS”) credits, and other investment and production tax credits. Basis of Presentation and Consolidation These consolidated financial statements include the accounts of Aemetis, Inc. and its subsidiaries. We consolidate all entities in which we have a controlling financial interest. A controlling financial interest is usually obtained through ownership of a majority of the voting interests. However, an enterprise must consolidate a variable interest entity (“VIE”) if the enterprise is the primary beneficiary of the VIE, even if the enterprise does not own a majority of the voting interests. The primary beneficiary is the party that has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance, and the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE. We consider Aemetis Biogas LLC ("ABGL") to be a VIE because Aemetis, Inc. owns all of the outstanding common units of ABGL and is the primary beneficiary of ABGL's operations; accordingly, the assets, liabilities, and operations of ABGL and its subsidiaries are consolidated in these financial statements. All intercompany balances and transactions have been eliminated in consolidation. The accompanying consolidated condensed balance sheet as of June 30, 2025, the consolidated condensed statements of operations and comprehensive income (loss) for the three and six months ended June 30, 2025 and 2024, the consolidated condensed statements of cash flows for the six months ended June 30, 2025 and 2024, and the consolidated statements of stockholders’ deficit for the three and six months ended June 30, 2025 and 2024, are unaudited. The consolidated condensed balance sheet as of December 31, 2024, is derived from the 2024 audited consolidated financial statements and notes thereto. The financial statements in this report should be read in conjunction with the 2024 audited consolidated financial statements and notes thereto included in our annual report on Form 10-K for the year ended December 31, 2024. There have been no material changes to our significant accounting policies disclosed in Note 1 - Nature of Activities and Summary of Significant Accounting Policies and other Notes to the Consolidated Financial Statements included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2024. The accompanying consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) and pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (“SEC”). Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. In the opinion of Company’s management, the unaudited interim consolidated condensed financial statements as of and for the three and six months ended June 30, 2025 and 2024, have been prepared on the same basis as the audited consolidated statements as of and for the year ended December 31, 2024, and reflect all adjustments, consisting primarily of normal recurring adjustments, necessary for the fair presentation of its statement of financial position, results of operations and cash flows. The results of operations for the three and six months ended June 30, 2025, are not necessarily indicative of the operating results for any subsequent quarter, for the full fiscal year, or any future periods. Investment Tax Credits We sell certain transferable Investment Tax Credits ("ITCs") that we generate from qualifying investments to third-party purchasers. We account for ITC sales in accordance with ASC 740 by electing the flow-through method. For the six months ended June 30, 2025, the contractual net proceeds of ITC sales of $7.0 million are recorded as an income tax benefit.

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