Energy

Massachusetts is on track to score a renewable energy win over New York, according to Moody's Investors Service, which said the Bay State will close in "much faster" on the clean energy progress achieved by national leader California.

While the clean economy has insulation against President Donald Trump's policies aimed to loosen environmental enforcement, there are still reasons for concern.

UMass Memorial Health Care in Worcester is expected to save a total of $24 million in energy and operational costs through an energy performance contract with Siemens, as well as other efforts.

Pilgrim Nuclear Station began powering down Sunday morning so that it can refuel for the last time.

Greenhouse gas emissions in Massachusetts decreased from 2013 to 2014, continuing a decade-long trend, according to the latest state data.

State and business officials stressed the importance of building bonds across borders as representatives of Canadian, French, Swiss and Haitian governments and companies gathered at the State House Tuesday.

National Grid's Sustainability Hub unveiled a semi-transparent solar awning on Friday, which National Grid says is the first of its kind in Massachusetts.

Massachusetts received a failing grade in a new national report assessing lead pipe disclosure policies in the...

Worcester will downgrade its drought alert status to Stage 1 -- a less severe level but one that still comes with water-use restrictions on businesses -- as reservoir conditions have improved.

Solect, a Hopkinton solar energy developer and installer, has bought the Northeast division of industry rival Brightergy, Solect announced Tuesday.