Smart Energy Decisions – Missoula Water Plant Implement Solar Array

The City of Missoula, Montana will be using a new 545 kW direct current (DC) behind-the-meter, non-export solar photovoltaic (PV) array at its wastewater treatment plant.

Ameresco will design, build, own, operate and maintain the 948-panel ground-mounted solar PV array.

The project is expected to produce more than 700,000 kWh each year and offset the city’s wastewater treatment facility’s annual electricity consumption by more than 20%. It was completed at the end of March 2023.  The city of Missoula signed a 25-year solar energy agreement that did not require any capital funding.

The solar project will save the city of Missoula over $7,000 in annual electricity costs while lowering their Scope 2 GHG emissions by nearly 8,000 MTCO2e during the project’s life.

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