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Main Street United Methodist Church in Nashua, NH has discussed a conversion to solar power for several years. In 2025, the church contracted with Revision Energy to install 128 56.32kW panels for an annual generation of 70,805 kWh. Upon approval of the project by the church council, a Solar Project capital campaign was initiated and all funds required for the project were raised. The system became operational on March 11, 2026.
The Hendersonville FUMC Board of Trustees received a suggestion in 2021 from one of the trustees, Jim Kane, that the church should investigate the possibility of rooftop solar as a means of lowering energy costs and reducing emissions. The church buildings constitute about 66,000 sq. ft. and were consuming on average about $34,000 (367,000 kWh) in electric utility charges, plus another $18,000 (26,000 therms) annually in natural gas usage. After discussion among the Board and the congregation, proposals were sought from solar suppliers.
Sugar Hollow Solar of Asheville, NC, made a presentation in July of 2022 for a plan to install a 137 kW rooftop system at a cost of about $323,000. The array was projected to produce about 167,000 kWh of electrical energy annually and would comprise 349 Tesla-395H panels. Each panel would have a power rating of 392 watts. The design would provide about 50% of the facility’s electrical requirements. After discussion, the Sugar Hollow plan was accepted and a contract was signed.
The potential for rebates was an important consideration in the decision to embark on the project. At that time the regional utility, Duke Energy Carolinas, offered a rebate of $7500 per 10 kW of solar, up to a limit of 100 kW. A portion of the rebate program was set aside specifically for non-profits. Because the church has two meters, and thus two solar installations, the total Duke rebate would be about $100,000.
In addition, the federal Inflation Reduction Act (IRA) direct-pay reimbursements had recently become available for non-profits. The IRA offered a potential 30% reimbursement of the project costs. These inducements served to make the project more feasible financially. With the two reimbursements, the potential payback time was estimated to be about 12 years.
The panels were installed on seven roof surfaces of the church complex in Spring of 2023. Six were set at various angles, and one was flat. The system went online in May of 2023.
The system is controlled by a monitoring app, which enables real-time monitoring of its performance. The solar output is net-metered, with no battery storage. Any excess output goes to the grid, for which the utility compensates the church by reducing the monthly charge for grid-supplied energy.
The 137 kW solar system is expected to produce about 167,000 kWh annually. At that rate, the system’s clean energy production replaces fossil fuel-generated electricity that would emit 92,400 pounds (46 tons) of CO2 equivalent to the atmosphere.
This reduces the congregation’s grid electricity carbon emissions by over 50%. The total emissions (electric + natural gas) are reduced by about 20%. The reductions are equal to the carbon emitted by 104,000 miles of automobile travel, or the charging of 5,100,000 smartphones. It is equivalent to the planting of 50 acres of trees.