In 2025, Maine's electricity consumption is predominantly characterized by substantial contributions from low-carbon energy sources. Low-carbon electricity sources make up nearly two-thirds of the state's total energy mix. Solar, wind, and hydropower are significant contributors within this category, with solar energy, including both utility-scale and behind-the-meter installations, accounting for almost 18% of the total. Wind energy also contributes approximately 18%, and hydropower adds another 16%. Biofuels, a more modest contributor within the low-carbon category, provide about 11% of Maine's electricity. In contrast, fossil fuels make up a little over a third of the state's total electricity consumption, with natural gas being the predominant fossil fuel energy source at 34%, and oil constituting just about 1%.
Data sources used on this page include EIA. More about data sources →
Is Electricity Growing in Maine?
The recent trends indicate that electricity consumption in Maine is on an upward trajectory. In 2025, per capita electricity consumption reached 11,405 kWh, marking an increase of 252 kWh from the previous year. Simultaneously, there has been a marked growth in low-carbon electricity generation, with 2025 seeing 7,153 kWh per person generated from these sources - an 817 kWh increase from the prior year. This growth reflects Maine’s commitment to enhancing sustainable energy production and highlights progress in transitioning away from fossil fuels toward cleaner and more sustainable resources.
Suggestions
To further increase low-carbon electricity generation, Maine can build on its existing strengths by expanding both its wind and solar energy infrastructures. Learning from regions with exemplary practices in energy production could significantly boost Maine’s efforts. For instance, Denmark and Iowa have achieved impressive percentages of electricity generated from wind energy, standing at 60% and 58% respectively. Likewise, solar energy has seen notable success in states like California and countries like Lebanon, which generate 31% of their electricity from this source. Additionally, exploring the potential of nuclear energy could be beneficial, as demonstrated by France and Slovakia, where nuclear energy accounts for over two-thirds of their electricity generation. By diversifying and expanding these clean energy sources, Maine can amplify its low-carbon output while reducing dependence on fossil fuels.
History
Reflecting on the historical data, we observe changes in low-carbon electricity generation in Maine, particularly over the past few years. In 2024, wind energy increased by 0.1 TWh, biofuels saw a modest rise of 0.2 TWh, but hydropower decreased by 1 TWh. By 2025, wind energy experienced a more substantial growth of 0.4 TWh, while biofuels continued their gradual increase, showing an additional 0.1 TWh boost. However, challenges persist in hydropower generation, which slightly declined by 0.2 TWh in 2025. This historical context highlights the importance of continuing to support advancements in wind and solar energy while seeking opportunities to address any challenges in existing low-carbon infrastructures.
