Energy

Framingham energy company Ameresco has begun commercial operations at the Beale Hill Wind Farm in County Kerry, Ireland, the company announced on Wednesday.

Gas prices in Massachusetts are down four cents this week, AAA Northeast reported on Monday.

Ameresco, the Framingham energy efficiency and renewable energy company, announced on Wednesday it completed on Wednesday the first phase of a multi-stage investigation of how flow battery technology could support microgrids with the U.S. Department of Defense.

VERC Enterprises, a convenience store and gas station chain, has opened a new location at 137 E. Main St. in Webster, the company announced in a press release on Tuesday.

Self-serve, regular unleaded gas prices average $1.94 per gallon in Massachusetts, according to a AAA Northeast survey on Monday.

Massachusetts gas prices for regular gasoline are averaging $2.09 a gallon of regular unleaded, AAA announced in a Tuesday press release.

Framingham energy firm Ameresco has been selected to design and build an integrated microgrid at a wastewater treatment plant in California.

Framingham energy firm Ameresco has reported strong fourth quarter numbers and a large number of future projects.

Eversource Energy has reached an agreement to buy the Massachusetts natural gas assets of Columbia Gas for $1.1 billion, a deal announced hours after federal prosecutors ordered Columbia Gas to cease Bay State operations and pay a $53-million fine in connection with organizational failures.

Columbia Gas of Massachusetts is expected to plead guilty to federal charges of violating the Pipeline Safety Act that will be brought against the Westborough company today.