Over the past year, spanning from September 2024 to August 2025, Maine's electricity consumption has consisted of a mix of low-carbon and fossil energy. More than half of this electricity, approximately 62%, comes from low-carbon sources, indicating a positive commitment to cleaner energy. The specific energy contributions to this clean mix are diverse: wind energy accounts for about 17%, solar energy contributes roughly 17%, and hydropower provides 16%. Biofuels, while a part of the low-carbon group, account for about 11%. On the other hand, fossil energy, which includes gas and other sources, makes up around 37% of Maine’s electricity consumption. These proportions highlight a considerable reliance on cleaner forms of energy, which is a promising step towards reducing the impact of fossil fuels on climate change and air pollution.
Data sources used on this page include EIA. More about data sources →
Is Electricity Growing in Maine?
Despite the admirable strides in low-carbon consumption, overall electricity consumption per person in Maine has decreased compared to its 2004 record. Currently, each individual consumes roughly 11,082 kWh annually, marking a significant drop of nearly 3,500 kWh per person over the past two decades. However, the state is experiencing a positive trend on the low-carbon front, with a new record high of 6,824 kWh per person from low-carbon sources, up by 424 kWh per person since its previous peak in 2008. While the decline in overall electricity use might suggest a reduction in demand or increased efficiency, the growth in clean electricity emphasizes a statewide movement toward more sustainable energy practices.
Suggestions
For Maine to further elevate its low-carbon electricity generation, expanding existing wind and solar activities seems to be a productive strategy given their current success in the state. Learning from other regions, Maine could also consider developing nuclear energy. States like New Hampshire and South Carolina generate over half of their electricity from nuclear power, proving its viability as a substantial low-carbon resource. Additionally, looking toward wind power, Iowa and South Dakota lead with significant wind electricity generation, illustrating successful model office technologies benefiting both economy and environment alike. By incorporating insights from these diverse regions, Maine can continue on a path of clean energy leadership.
History
Reflecting on Maine's history of low-carbon electricity generation, the early 21st century brought noteworthy changes. Notably in 2005, hydropower and biofuels saw substantial increases, but fluctuations continued, with hydropower experiencing both significant dips and rises, including a considerable decline in 2024. Wind energy, on the other hand, showed growth especially in 2016 and 2017. Unfortunately, biofuels have seen some decreases over recent years. These historical changes indicate an ongoing challenge to sustain steady growth in certain low-carbon sectors, such as hydropower and to some extent, biofuels. Yet, hydropower’s occasional rebounds and wind’s advances reflect the potential for Maine’s energy landscape if strategic, supportive policies are implemented. Encouraging further diversification with solar and nuclear energy can stabilize and enhance Maine's sustainable electricity framework even more.
