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Energy Efficiency

We connect our customers to industry-leading programs and tips designed to save energy and promote sustainability.

Energy efficiency is one of the most cost-effective ways to save our customers money, fight climate change, equitably create access to green technology and create jobs in New England.

These programs include discounts, rebates and incentives for energy-saving products and services, professional energy assessments, tools to help customers better understand their energy use, and easy energy-saving tips. 

As we implement these solutions across our region, we are increasing engagement and providing additional support to customer groups that have historically had low participation. Economically stressed families and businesses that participate in our income-eligible programs are now benefitting from the long-term savings that follow these improvements. 

We invested over $600 million in energy efficiency programs for homes, businesses and communities we serve.
Our energy efficiency improvements avoided 2.8 million metric tons of lifetime greenhouse gas emissions
We increased the number of completed Main Streets events by 30% year-over-year, helping businesses save money and energy.

Some of Our Innovative Programming:

Helping small businesses reduce their energy use

Our Main Streets program connects contractors to local small businesses, where they conduct energy assessments, respond to questions about energy-efficient upgrades, and even provide some improvements right on the spot - all at no cost to the customer.

Outreach to communities and businesses has tripled since 2020, as we continue to focus on bringing the Main Streets program to businesses and downtowns across our region. In 2022 the Main Streets program served 55 communities, with a recent focus on improving the experience of non-English speaking customers. 

In 2022, over 1,800 Main Streets projects were completed, resulting in annual savings of over 19 million kWh of electricity and 274,000 therms of gas.

Main Streets

Net zero energy pathway at Oyster River Middle School

Commercial buildings account for a significant portion of the greenhouse gas emissions from all three of our states. This emission source has inspired our net zero pathway program, which focuses on providing the technical and design assistance that enables the efficient construction needed to meet emissions goals. 

In early 2022, Oyster River Middle School in Durham, New Hampshire, became one of the first buildings under our footprint to receive funding from our net zero pathway program. Together with our NHSaves partner Unitil, we provided a $146,900 incentive to support the design of a efficient new building. 

This building is expected to save approximately 410,000 kWh of electricity and 460 therms of natural gas each year. The school will also be outfitted with a 460 kW solar array. 

Thanks to this partnership, Oyster River Middle School now leads New Hampshire public schools in energy efficiency.

Shifting our focus towards long-term benefits

As the realities of climate change continue to set in, and new technologies emerge to transform the way our customers use energy, we are consistently looking to evolve how our energy efficiency programs help customers and advance us towards sustainability goals.

In 2022, this shift occurred as our programs and funding focused more on decarbonization and electrification and less on things like LED lighting, which has already achieved widespread adoption. Technologies like heat pumps and electric vehicle infrastructure will allow our customers to take full advantage of the clean, renewable sources of power we're working to integrate into our grid. 

Learn more about decarbonization and the heating sector

See For Yourself

We offer industry-leading energy efficiency solutions for homes and businesses. 

Our 2022 Sustainability Report

See highlights from other sustainability areas or download the full PDF report for detailed data, graphs and more.

Read the report