In 2025, Maine's electricity consumption reflects a strong inclination towards low-carbon resources, with more than 60% of its electricity generated from clean sources. Notably, solar energy accounts for nearly 18% of the state's electricity, while wind makes up a similar proportion. Hydropower also contributes more than 16%, reflecting a well-rounded approach to low-carbon generation. Meanwhile, fossil fuels still provide a significant share, with natural gas alone accounting for over a third of the state’s electricity, though oil contributes minimally at just about 1%. Biofuels add approximately 11% to the low-carbon total without drawing major focus in the clean energy strategy.
Data sources used on this page include EIA. More about data sources →
Is Electricity Growing in Maine?
Maine's electricity consumption has been on the rise, as evidenced by the increase in per capita usage from 11,153 kWh in 2024 to 11,405 kWh in 2025. This uptick of 252 kWh per person signifies growing energy requirements, possibly driven by increased electrification or economic activities. Encouragingly, low-carbon electricity generation has seen a remarkable boost, rising by 817 kWh per person from the previous year, suggesting significant advancements in sustainable energy integration. This trend is promising and suggests a positive trajectory towards more green energy usage in the region.
Suggestions
To further increase its low-carbon electricity generation, Maine should consider expanding its capacity in wind and solar installations, as these sectors are already substantial contributors. Drawing inspiration from places like Denmark and Iowa, where wind energy comprises over half of their electricity supply, Maine could significantly bolster its wind capacity. Similarly, looking at the successful solar implementation in California and Nevada, which generate a noteworthy portion of their electricity from solar, Maine could enhance its solar infrastructure. Furthermore, introducing nuclear energy, as seen in states like New Hampshire and countries like France, could provide a reliable, clean energy source to complement its existing low-carbon mix.
History
Historically, Maine has seen modest but consistent growth in its low-carbon electricity generation. In recent years, specifically 2025, wind energy showed a noteworthy increase of 0.4 TWh, following a smaller rise in the previous year. Biofuels have also seen minor growth over the past couple of years, adding to the low-carbon energy landscape. However, hydropower experienced a decline both in 2024 and 2025, which calls for attention as hydraulic potential once played a pivotal role in clean electricity generation. Despite these fluctuations, Maine's commitment to clean energy has kept its focus on expanding wind and solar capacity, which aligns well with current global trends towards sustainable and resilient energy systems.
