Ameresco Inc. announced that the U.S. Department of the Interior (DOI) has awarded the company an energy savings performance contract, valued at $77 million over the 20-year term, for the implementation of energy efficiency and water conservation measures, and ongoing energy management services at DOI headquarters.

To figure out which efficiency improvements make the most sense, owners usually turn to HVAC professionals to conduct comprehensive energy audits, which are used to thoroughly evaluate existing mechanical systems. While energy audits have traditionally occurred on-site, some firms are offering virtual energy audits.

GREENCROWN Energy and LVR Energy & Mechanical have announced a strategic joint partnership, in order to apply the expertise of both organizations to deliver a full array of energy solutions nationwide — bridging the gap between energy and mechanical services.

ONICON Inc., a Harbour Group company, designer and manufacturer of flow meters and energy measurement systems, has announced the acquisition of Greyline Instruments Inc. Terms of the transaction were not disclosed.

The National Park Service (NPS) has awarded Siemens a $29 million contract to implement energy and water conservation measures at 13 national parks in the Washington, District of Columbia, metropolitan area.

Ameresco Inc. announced that it is partnering with the city of Redmond, Oregon, on a comprehensive $1.2 million energy savings performance contract (ESPC) to improve city buildings and enhance efficiency.

The California Energy Commission approved $13.5 million for energy efficiency measures to 14 schools in the San Francisco Bay Area, San Joaquin County, and Orange County. The Energy Commission also approved grants to four entities to develop and research alternative and renewable fuel projects.

Bluestone Energy Services LLC, a provider of energy conservation engineering and project development services, has announced that it will offer Constellation’s Efficiency Made Easy (EME) program. Constellation is a retail supplier of power, natural gas, renewable and energy management products for businesses and homeowners.

Ameresco Inc. announced that its client, the city of Battle Creek, Michigan, was the recipient of the 2014 Michigan Economic Development Corp. (MEDC) Energy Services Coalition (ESC) Award for its sustainability focus and leadership in efficiency initiatives.

The Army & Air Force Exchange Service (AAFES) has awarded a contract to TDIndustries for the implementation of a pilot program to monitor and report on electricity use in AAFES stores in the United States and abroad.