Con Ed officials said last night that they did not know what caused the leak.

Con Ed officials said that about 500 customers remained without power yesterday afternoon.

Con Ed officials say they'll need 3,000 more megawatts by 2007.

Con Ed officials have said they would be spending $315 million on system upgrades over the next few years.

By early this morning, Con Ed officials said they had not yet determined the cause of the pipe break.

Con Ed officials issued a statement denying responsibility for the higher bills.

Con Ed officials said the pace of repairs had not been affected.

"It will be more modest," one senior Con Ed official said.

Con Ed officials said today that the company would decide what to do once investigations at the plant were complete.

No one was working on the pipe at the time, Con Ed officials said.