Power companies, PSC prepping for heat wave

BUFFALO, N.Y. (WIVB) -- Local power companies are preparing for the heat wave and the Public Service Commission, which regulates utility companies, is taking steps to protect the electric grid.The Public Service Commission said the combination of high energy use and high temperatures will put stress on the electrical grid, which can cause isolated outages. Local power companies, like National Grid, are focused on demand of their electrical systems.The PSC said what's unique about this week's hea