As clean energy development challenges in New England have mounted over the past several years, Massachusetts agencies are facing a massive influx of alternative compliance payments from electricity suppliers to meet the state’s array of clean electricity standards.

The General Services Administration is doubling down on its efforts to slash greenhouse gas emissions from federal buildings with recent announcements aimed at both procuring carbon-free energy and testing out new energy-efficient, low-carbon technologies.

Bills moving forward could introduce voluntary time-of-use rates in the state, disclosure statements about green power and point-of-sale EV rebates.

With more than 300,000 buildings, the U.S. government is the nation’s largest energy consumer and “a steady customer prepared to make long-term investments,” GSA Administrator Robin Carnahan said.