In the past twelve months, from July 2025 to June 2026, electricity consumption in Maine has shown a remarkable tilt towards low-carbon sources. Low-carbon electricity generation currently accounts for nearly two-thirds of Maine's energy mix, with wind, solar, and hydropower contributing significantly. Solar energy, in particular, stands out with almost a fifth of the total generation, split between utility-scale projects and behind-the-meter installations. Wind power is not far behind, fueling almost another fifth of the electricity used. Hydropower, although slightly less prevalent, still makes a solid contribution to Maine's clean energy landscape. On the other hand, fossil fuels remain a substantial yet smaller part of the energy mix, comprising just over a third of total electricity consumption, with natural gas as the dominant fossil fuel source followed by a minimal contribution from oil.

Is Electricity Growing in Maine?

Electricity usage in Maine is on an upward trajectory, as evidenced by the latest per capita consumption figures in 2026, which have risen to 11,749 kWh per person, showing an increase of 344 kWh compared to the previous year's record. This positive trend reflects the overall growth in electricity demand, driven partly by the expanding focus on low-carbon energies. Concurrently, there has been a notable rise in low-carbon electricity usage per person, which has set a new record of 7,242 kWh, an increase of 88 kWh from the previous peak. This growth signifies a promising shift towards cleaner energy sources, which is crucial in combating climate change and reducing air pollution associated with fossil fuel consumption.

Suggestions

To further bolster low-carbon electricity generation, Maine should consider expanding its existing wind and solar capacities, which are already substantial. Emulating successful states like Iowa and South Dakota, which have effectively harnessed wind energy to provide more than half of their electricity, could help Maine leverage its natural assets for further wind power expansion. Additionally, Maine can look towards states such as Nevada and California, which have made significant strides in solar energy generation, producing over a quarter of their electricity this way. Furthermore, the incorporation of nuclear energy, as seen in France and states like South Carolina and New Hampshire, which derive most of their electricity from this clean energy source, could provide Maine with a stable and sustainable solution to complement its renewable efforts. Such an approach would not only support the state’s green energy ambitions but also ensure a reliable electric grid.

History

Over the past few years, low-carbon electricity generation in Maine has seen a dynamic shift. In 2024, hydropower experienced a decline while biofuels and wind power made relatively small increases. The following year, 2025, saw a more significant boost in wind energy generation accompanied by a slight drop in hydropower and a modest increase in biofuels. As of 2026, wind power continued its upward trend, albeit moderately, while the hydropower contribution saw a slight decrease, and biofuels remained steady. Despite the setbacks in hydropower, the consistent growth in wind energy illustrates a positive trajectory for Maine’s clean energy transition. Looking forward, continuing this growth by further developing both solar and nuclear energy sources can solidify Maine’s commitment to a low-carbon future.

Electricity Imports and Exports

Balance of Trade

* 12M = Last 12 months (Jul 2025 – Jun 2026) — a rolling 12-month period, not a calendar year.