At the time, electricity was largely used by industrial customers.
The immediate 25 percent cut for a few large industrial customers also remains in the agreement.
The new industrial customer is to use 252,000 m3 of natural gas a year.
The Company serves more than two million residential, commercial and industrial customers across 30 states.
The industrial and commercial customers pay 40 percent of those taxes, or about $36 million a year.
There is also the problem of credit risk for plants that serve industrial customers.
"Do you have a fist of industrial customers that are at risk?"
It has about 239,000 residential, 16,000 commercial and 400 large industrial customers in its.
But the early growth has come mainly from big companies selling directly to their industrial customers on line.
Some industrial customers, though, could be without power for days.