A conversation with former ABC News anchor Ted Koppel.

In a war game, utilities face all sorts of challenges: saboteurs, storms, squirrels.

Connecticut is trying microgrids that keep going when the main utility fails.

Bridgeport, Conn., is taking measures to rely more on locally made power.

Three storms in Connecticut knocked out some residents' power for more than a week

Department of Energy proposes billions in investment in power grid infrastructure.

The failure of just nine utility substations, and the closing of one factory, could blackout the entire U.S. for 18 months.

A heat wave covering the Midwest and Northeast is expected to peak today — and with it, demand for electricity to power air conditioning. People may be asked to conserve, but power grids expect they'll meet demand.

The U.S. power grid needs upgrading to manage all the stresses on it. The Army is testing a much smaller grid that cut fuel use in half, saving soldiers' lives.