The strike ended after four months, when the union and utility agreed on a new benefits formula.
In exchange for this and other concessions, the utilities agreed to meet even tighter limits on the oxides.
Four utilities have agreed to participate in a program that guarantees yearlong gas and electric service to thousands of poor families.
The utility also agreed to suspend its dividend on common stock, which had been $1.20 a year per share, paid quarterly.
In addition, the utility agreed to give the mill's new owners 10 years of free power and some $34 million.
After holding the land in 1974-1993, the utility agreed to sell it to the state of Illinois.
The utility agreed to refund or credit a total of $83.9.
After two years of fighting and negotiating, a local utility agreed to install smokestack controls.
The utility also agreed to spend $10 million on pollution control research and experimentation.
The utility compromised and agreed to exclude $400 million from the formula used for those rates.