Most have shifted back to oil, because of price changes and higher electric demand.

Heat, or rather the air conditioning to combat it, is the main driver of electric demand.

One is that it will probably raise electric demand, and thus help perpetuate itself.

Over the last five years, it said, electric demand has increased by 3.6 percent annually as 1,500 new customers are connected each month.

If that figure were cut by half, it would be equivalent to two or three years of growth in electric demand.

The first new reactor, the thinking goes, will be built where others already exist, in a region with scarce coal but growing electric demand.

Over 90% of the city's electric demand is fed by hydroelectric power.

Our building substantially reduced its electric demand at the same time as the Queens blackout last summer.

And in the third world, where electric demand is increasing, the technology would use native fuel.

Accordingly, these devices overcome the problem of large electric current demand.