A recent electricity capacity auction offered a glimmer of hope for some ratepayers after years of surging power bills, arriving just as the state shifts its energy goals toward technologies expected to ease costs in the future.

“For years, we have warned that over reliance on offshore wind would drive up electric bills, threaten grid reliability, impair our onshore military radars, harm marine life and industrialize our coastal waters with only minimal and uncertain benefit,” said Bob Stern,…