An executive from another utility, Ameren Illinois, agreed with McMahan Monday at a panel on electric vehicles at the Great Lakes Symposium on Smart Grid at the Illinois Institute of Technology.
It has brought solar panel costs down dramatically over just a few years, bringing grid parity within sight in a number of markets, and kicking off what many see as a potential long-term energy revolution.
Yet it's scarcely visible in the market for solar panel inverters, devices that turn the direct current power generated by solar panels into alternating current for the grid.