Energy

Utiliy companies are working with marijuana cultivators to make their facilities more energy efficient.

National Grid and a Woburn-based battery maker on Thursday unveiled an energy storage system at Holy Name High School in Worcester.

Framingham energy services provider Ameresco completed a $5.1-million project at Cannon Mountain in New Hampshire, set to save the ski resort $386,000 annually.

Gasoline prices are falling as oil refineries and distributors recover after hurricanes forced the oil industry to halt operations in late August and early September.

Worcester manufacturer Sanken North American, which owns two semiconductor businesses announced Tuesday a $291-million private investment.

HMEA and Stowe & Degon are among the five Worcester-area companies announcing recent hires and promotions.

Overcoming its latitude and climate disadvantages compared to other states, Massachusetts has become a national leader in solar energy production, largely thanks to state incentive programs, which are due to make a major transition next year.

The Riverdale Water Co., a privately owned supplier of water, is again angling to sell water to the Town of Northbridge.

Natural gas is leaking into the atmosphere from more than 900 locations in Worcester alone.

Ford Motor Company and Lyft announced on Beacon Hill they are teaming up to deploy self-driving Fords on Lyft's ride-hailing service by 2021.