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Investor Presentaiton

EVERSOURCE ENERGY Gas Operations Launches Pilot Geothermal Project Innovative way to provide clean and sustainable heating and cooling for customers via a geothermal network for residential and commercial customers Explore if geothermal network can be used instead of, or in combination with, traditional energy sources ■ Support communities' achievement of net zero emissions goals through rate-based projects subject to regulatory approval Project Timeline End of 2021 Mid-to-late 2022- Three years Eversource selected the pilot site Construction is scheduled to begin Timing of construction and installation activities will be site-specific. (Approximately one year). The pilot program duration 17

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