The rate case process takes time — about 11 months from developing the case to the time new energy rates take effect.

Rate case process

Rate case process
  1. Rate case preparation
    Peoples Gas reviews budgets, analyzes sales and construction forecasts and develops the rate case.
  2. Filing
    Peoples Gas files rate case with the Illinois Commerce Commission (ICC).
  3. Review
    The ICC and interveners examine budget information from Peoples Gas, asks us to defend and update figures provided.
  4. Hearings
    The public has an opportunity to comment. Witnesses that support the figures in the rate case are available for cross examination in a court-like proceeding.
  5. Ruling
    The ICC decides any outstanding matters and issues a written order on the rate request.
  6. Rates take effect
    New rates take effect for customers.

WEC Energy Group