Annual costs for the average WEPCO residential customer for the proposed Oak Creek gas plant

With additional costs from fuel cost spikes, higher fuel costs due to increased LNG exports, and turbine bottlenecks, annual costs could increase 74% to a total of $136.09 each year.

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The proposed gas plant uses WEPCO's stated capital costs; the "Moderate" scenario for operational costs from the National Renewable Energy Lab's Annual Technology Baseline (NREL ATB); and the "Reference" scenario for fuel costs from the Energy Information Administration's Annual Energy Outlook (EIA AEO); with a 15% capacity factor, the average capacity factor in WEPCO's proposal. The higher fuel cost scenario uses the "Low Oil and Gas Supply" scenario in EIA's AEO. The fuel cost spike scenario assumes a $4/month surcharge for 20 years starting in 2029. The turbine bottleneck scenario uses NREL ATB's "Moderate" scenario capital costs for a new gas plant, which are 45% higher than WEPCO's assumptions.