Under pressure for months over skyrocketing heating and electricity charges, Massachusetts House lawmakers last month took steps to check some of the nation’s highest utility bills.

And they’re not modest about the result: a whopping $9 billion in potential savings for ratepayers over the next decade, they claim, with immediate savings on the way.

Don’t cash that check just yet.

“There’s a lot of unpredictability in this business. It can be difficult to anticipate with exact precision what some of these changes might actually do,” said Kyle Murray, Massachusetts program director for the advocacy group the Acadia Center.

To read the full article from the Boston Globe, click here.