All five electrical aggregation referendums in the county passed with comfortable margins last night.
Ameren customers will be transitioned to their new supplier in January, but the bidding process will begin this month and finalized in December.
Oblong residents turned out the largest majority of yes votes, with 68.61 percent, or 435 voters, saying they want the municipality to bid out their electrical supply and 31.39 percent, or 199 people, voted against the measure.
Robinson voters broke 64.08 percent in favor of the measure, with 1,684 voters saying yes and 944, 35.92 percent voting no.
Unincorporated parts of the county voted 53.75 percent, or 2,064 voters, approving the referendum and 46.25 percent, 1,776 voters, saying no, the closest margin of the five referendums.
Palestine passed the measure with 349 voters, for 59.05 percent, approving and 242, 40.95 percent, voting no.
In Hutsonville, 153 voters, or 58.85 percent, approved the referendum and 107, or 41.15 percent, voted against it.
The next step will be for Good Energy, electrical consultants contracted by the county and municipalities as well as a few dozen other Illinois municipalities and counties, to seek bids for electrical supply. The bid will be finalized in December.
Residents will be notified twice, once by Ameren and once by the new supplier, asking if they wish to opt-out of the aggregation. Good Energy representative Javier Barrios said between 6 and 12 percent of customers typically choose not to participate in the aggregation.
The local governments will need to adopt a plan of governance. Two follow-up meetings will be held to cover what's happened since election day.