More than 150 people crowded the hall to hear from Jersey Central executives about what they are doing to prevent blackouts.

Four deep-cycle marine batteries and a $2,000, 190-amp marine alternator help prevent blackouts.

Power officials said that cool temperatures yesterday prevented blackouts.

Fortunately, there is a proverbial light at the end of the grid - an approach called "demand response" that can help prevent future blackouts.

This approach would fasten Congressional attention on a matter of immediate concern: preventing future blackouts.

But the utility said that steps it took to secure new power supplies should prevent blackouts.

He is also calling for national reliability standards and upgraded technologies, which he calls a "smart grid," to prevent blackouts.

Both the House and Senate measures also include proposals to strengthen the nation's power grid and prevent blackouts.

The movement started in July 2011 to prevent rolling blackouts during the summer due to electricity shortages in eastern Japan.

Although these restrictions were repealed in September 2011, the movement has been successful in preventing blackouts for its span.