Residential Geothermal and Heat Pump Service

What this tariff charges

Energy rates

The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.

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What it costs at different usage levels

Effective rate includes the fixed charge, which is why it falls as usage rises. This is a time-of-use tariff, so the result also depends on when power is used; an average residential pattern is assumed. Details →

Rooftop solar on this tariff

A 7 kW system costing $21,000 before incentives would save between $1,014 and $1,814 a year on this tariff, paying back in 12–21 years . No federal tax credit is included: Section 25D ended on December 31, 2025.

no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →

The utility's own description

Service Classification RGT is available for residential customers residing in individual residential structures, or in separately metered residences in multipleunit residential structures, who have one of the following types of electric space heating systems as the primary source of heat for such structure or unit and which system meets the corresponding energy efficiency criterion: Geothermal Systems with Energy Efficiency Ratio (EER) of 13.0 or greater; Heat Pump Systems with Seasonal Energy Efficiency Ratio (SEER) of 11.0 or greater, and a Heating Season Performance Factor (HSPF) which meets the then current Federal HSPF standards; Room Unit Heat Pump Systems with Energy Efficiency Ratio (EER) of 9.5 or greater. Service Classification RGT is not available for customers residing in individual residential structures, or in separately metered residences in multiple-unit residential structures, which have an electric resistance heating system as the primary source of space heating for such structure or unit.