On Thursday she announced that she will formally intervene in the State Corporation Commission’s review of NextEra Energy’s proposed $67 billion acquisition of Dominion Energy. Dominion and NextEra filed their merger application with the SCC on July 15, formally launching the commission’s review. The merger would create the nation’s largest electric utility, serving roughly 10 million customers in Virginia, Florida, North Carolina and South Carolina. Linking the merger to affordabilitySpanberger said Thursday her merger review fits into her effort to hold down energy costs, pointing to more than a dozen energy-related laws she signed this year. Spanberger said she expects to formally intervene in the coming days before submitting questions and other filings for the SCC to consider.