FRAMINGHAM, MA and JUNEAU, ALASKA – July 8, 2025 – Ameresco, Inc., (NYSE: AMRC), a leading energy solutions provider dedicated to helping customers navigate the energy transition, today announced its partnership with Juneau Hydropower, Inc. a recently Licensed Utility to develop, construct and operate a 19.8 megawatt (MW) hydroelectric facility at Sweetheart Lake, 33 miles south of downtown Juneau and its transmission and distribution assets. The Sweetheart Lake Hydroelectric Facility is designed to generate an average of 116,000 megawatt-hours (MWh) annually, providing a 20% increase in baseload clean hydropower over Juneau's current electrical generation.