Ill. Admin. Code tit. 83, § 421.EXHIBIT A
| Sources of Electricity Supplied for the 12 months ending mm dd yy | Percentage of Total |
| Biomass power | |
| Coal-fired power | |
| Hydro power | |
| Natural gas-fired power | |
| Nuclear power | |
| Oil-fired power | |
| Solar power | |
| Wind power | |
| Other resources | |
| Unknown resources purchased from other companies | |
| TOTAL |