Utility profits in the crosshairs amid affordability concerns

Electricity bills keep climbing faster than inflation, and a growing share of the pushback is aimed at the profits utilities are allowed to earn on their investments, known as return on equity, or ROE. A recent poll found most people blame utilities for rising home energy costs, and research shows that investor-owned utilities, which supply about 70% of the country's electricity, tend to charge more and raise prices faster than public power providers with less profit incentive.

States are starting to respond. California regulators cut ROE for its three biggest utilities by 0.3 percentage points last year, and several states, including Pennsylvania, are considering laws that would tie utility profits to Treasury bond rates instead of letting regulators set them case by case. In Maryland, a closely watched rate case over utility Pepco is testing how far this can go: Pepco wants its allowed profit margin raised to 10.5%, while the state's consumer advocate argues it should drop to 7.7%, saying some of Pepco's recent spending wasn't necessary. A decision is expected in August.

None of this requires homeowners to do anything, but it matters for your bill. Utility profit margins are one of the pieces regulators factor into the rates you pay, alongside the cost of poles, wires, and power plants. If more states start pushing these margins down, it could ease some of the pressure behind rising electricity rates. It's worth watching what your own state's utility commission decides, since these cases play out state by state.