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Of course, with electricity demand falling â thanks in large part to the popularity of rooftop solar â power companies are using the fixed cost components of their billing systems to help cover their own fixed costs, while also compensating for lower usage by consumers.
Grid-tied solar owners will pay Duke the monthly minimum connection fee, regardless of surplus production. The Duke rate tariff schedule charges less per unit as your electricity usage increases. The first 300 kWh monthly is the most expensive. Your monthly bill is reduced by power produced with renewable energy. For example, if you used 900 kWh and produced 500 kWh with solar PV, the net bill would be for 400 kWh from the grid. The first 300 kWh would cost about $44 and the next 100 kWh would cost about $11 for a net metering bill of approximately $65 including the $9.40 connection fee.