Email: IllinoisConstruction@ameren.com
Phone: 888.659.4540
Hours: 8:00 a.m. - 4:00 p.m. M-F
Natural Gas Load Form
Non-Residential natural gas load form
Natural Gas Installation
Requirements for natural gas installation
Natural Gas Generator Installation Pre-Authorization Form
Request an upgrade to an Ameren Illinois Natural Gas meter
Excess Flow Valves
Natural gas safety valve information
Convert to Gas
There has never been a better time to convert to clean, convenient, low-cost natural gas.
Electric Service Manual Information Updates Training
Learn about updates to the Electric Service Manual effective November 1, 2022
Approved Metering Equipment
The metering equipment is still approved to be purchased and installed until 12/31/2025.
Electric Service Guidelines
Non-residential requirements and costs for electric service
Electric Load Sheet
Non-residential electric load form
Conduit Specifications
Non-residential customer-installed conduit specifications
Subdivision Standards
Residential subdivision standards, qualifications and costs
Renewables Resource Center
Learn about new and emerging energy options
Request Service
Request outdoor protective lighting
Estimated Lighting Charges
Estimated charges associated with lighting service
Lighting Materials
Lighting materials available in Illinois & Missouri
LEDs
LED streetlight upgrade information
Report a Streetlight Problem
It may take 7-10 business days for repairs to be completed.