New England's electricity grid relied heavily on oil-fired generators during a cold snap in January, with a surge of more than 10 times the previous year.
Premier Energies, a manufacturer of Indian solar modules, announced on Monday that it would put on hold its plans to build a solar cell factory in the U.S.
Ecopetrol, a Colombian energy firm, announced on Monday that it had reached an agreement with Occidental Petroleum to renew their oil joint venture in the U.S.