Aemetis, Inc. reported financial results for the fourth quarter and full year ending December 31, 2025, highlighting substantial growth in its dairy renewable natural gas platform alongside strategic investments in efficiency upgrades. The company's biogas segment saw dairy RNG production increase 61% year over year in the fourth quarter, with the segment generating net income of $12.2 million during that period. For the full year, the biogas segment achieved annual net income of $6.9 million, with revenues and production tax credits increasing by 53%.
The importance of these results lies in demonstrating the scaling viability of renewable natural gas from agricultural waste, a key component in reducing carbon emissions from the transportation and energy sectors. Aemetis expanded its dairy digester network to 12 operating digesters that produced approximately 405,000 MMBtu of renewable natural gas during 2025. This expansion was supported by capital investments that increased 28% over the prior year to $26.0 million, funding both dairy RNG expansion and ethanol plant energy efficiency upgrades.
Policy developments are creating favorable conditions for Aemetis's growth. The company noted policy support from the White House and Congress in the One Big Beautiful Bill now being implemented, along with California's legislative approval of year-round E15 in October 2025, which allows the ethanol market to grow by 50% in the state. These regulatory tailwinds could accelerate adoption of renewable fuels nationwide. The California Air Resources Board approved seven new Low Carbon Fuel Standard pathways for Aemetis's renewable natural gas business, improving the average carbon intensity score from negative 150 to negative 380, enhancing the environmental value and potential pricing of their RNG products.
The company's ethanol segment also showed progress with the Keyes, California plant generating $158.3 million of revenue and production tax credits during 2025. A significant development is the Mechanical Vapor Recompression system upgrade expected to increase plant cash flow from operations by approximately $32 million annually after completion in 2026. This efficiency improvement would reduce natural gas consumption and lower the carbon intensity of ethanol production, addressing both economic and environmental objectives simultaneously.
Financial results showed revenues and production tax credits of $208.0 million for the full year 2025, with biogas reporting $5.3 million and California ethanol reporting $5.1 million from production tax credits that became effective in January 2025. The company monetized various incentives, with dairy digester projects generating $18 million from investment tax credit sales during 2025, and ethanol and biogas operations generating additional income of $10.4 million from production tax credits during the fourth quarter alone. These tax credit monetizations provide crucial funding for further expansion while demonstrating how government incentives can accelerate renewable energy deployment.
Internationally, Aemetis's India biodiesel facility generated $29.7 million of revenue during 2025 while utilizing about 10% of its 80 million gallon per year capacity. The company cited India's large and growing market for renewable fuels supported by government blending mandates and expanding fuel demand, with global geopolitical issues further supporting biofuels expansion in the region. The India subsidiary is targeting a public listing in 2026 after appointing a new CFO with IPO experience.
For investors seeking additional information, the company hosted an earnings review call, with details available through their investor relations page at http://www.aemetis.com/investors/conference-calls/. The broader implications of Aemetis's performance extend beyond financial metrics to showcase how integrated renewable energy companies can leverage multiple revenue streams from fuel production, tax incentives, and efficiency improvements while contributing to carbon reduction goals across different geographic markets.
