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UtilityCostCalculator.info offers an online calculator to compare 25-year electricity costs between staying with utility rates and using a solar PPA, using verified data from EIA, EPA/NREL PVWatts, and Berkeley Lab. Users input their actual electricity usage to produce year-by-year savings projections and can export detailed reports, with no personal information required to start. The tool emphasizes fixed PPA escalation to counter rising utility costs, illustrating typical 25-year savings of $45,000+ for the average household, varying by location and usage.
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