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However, those non-rate benefits are difficult to quantify and include in such calculations. For example, several ARES offer one-time gift cards as an incentive to sign up for a particular offer other offers contain rewards such as airline miles and other non-rate benefits. Not captured in these numbers are rewards and incentives that are not part of the ARES electric supply rates.The average rate information collected from the ARES include the (usually higher) prices associated with those offers
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Most of the ARES that serve residential customers have at least one offer that features a renewable energy or “green” component that is higher than what is required under the Illinois Renewable Portfolio Standard.These calculations are ex-post calculations and do not take into account how the ComEd default rates would have been different had more or fewer customers stayed on the utility’s default supply service.The savings for almost all individual customers differ from these averages These are total, or aggregate, savings.Of the rate comparison data, Staff noted:
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Staff noted that, "on average, residential ARES customers (which were overwhelmingly municipal aggregation customers), paid about 2.54 cents more per kWh than Ameren Illinois bundled service customers between June 2020 and May 2021 when taking into account the impacts of the PEA." The cost comparisons listed above include the impact of customers served by an ARES through opt-out municipal aggregation In terms of cents per kWh, residential ARES customers in the Ameren territory paid about 2.3 cents/kWh more when compared to the PTC only, and about 2.5 cents/kWh more when including the PEA. Staff reported that the highest ARES residential rate charged in the ComEd territory from June 2020 through May 2021 was a variable rate charged in January and February 2021 in the amount of 25.09 cents per kWhĪt Ameren, from June 2020 to May 2021, residential customers served by an ARES paid in aggregate $155 million more than the Ameren Price to Compare, and $167 million more than the Ameren default service cost when including the impact of the bypassable Purchased Electricity Adjustment (PEA). In terms of cents per kWh, residential ARES customers in the ComEd territory paid about 3.716 cents/kWh more when compared to the ComEd PTC only, and about 3.8 cents/kWh more when including the PEA. On average, residential ARES customers in the ComEd territory paid around $26.4 million more per month during the past twelve months when compared to the ComEd Price-to-Compare (PTC) and $26.96 million more per month during the last twelve months when compared to the ComEd PTC including the Purchased Electricity Adjustment (PEA). In aggregate, from June 2020 to May 2021, residential customers served by an ARES at Commonwealth Edison paid $316 million more than the ComEd Price to Compare, and $323 million more than the ComEd default service cost when including the impact of the bypassable Purchased Electricity Adjustment (PEA) The Illinois Commerce Commission's Office of Retail Market Development has published its annual retail electric market report, which includes a comparison of costs paid by customers served by an alternative retail electric supplier (ARES), including through municipal aggregation, versus the costs that would have been paid under default service