Energy

Hudson engineering firm Heartland Water Technology announced Tuesday it has been chosen to install a cogeneration system in large Mississippi wastewater treatment plant.

The Massachusetts Department of Energy Resources has provided grants to eight energy-storage facilities in Central Massachusetts as part of a broader initiative.

Rutland solar project developer Zero-Point Development and a New Jersey energy services firm have completed the construction of 31 megawatts of solar energy projects across Central and Southeast Massachusetts.

Electric utility Eversource has completed its $1.7 billion acquisition of Bridgeport's Aquarion Water Co. -- the only U.S.-based electric utility to also own a water utility.

Cape Wind is ceasing development of its wind farm and giving up its federal lease, according to the Cape Cod Times.

Knowlton Farms in Grafton and Boston solar energy firm BlueWave Solar are using a $100,000 grant to collaborate on an agricultural solar canopy to evaluate plant and crop growth under various solar tools and operating conditions.

Solect Energy, a Hopkinton developer of solar-energy systems, is launching an energy storage division, it announced Tuesday.

Framingham solar energy firm Ameresco will build a 2.47-megawatt solar energy system at the U.S. Drug Enforcement Administration's El Paso, Texas, base, the agency's first renewable energy system.

A charging station for electric vehicles has opened at the Framingham service plaza off the Massachusetts Turnpike westbound.

Proponents of a major sales tax cut and supporters of a $15 minimum wage and a paid family and medical leave proposal say they've gathered more than enough signatures to advance their proposals.