Cape Cod Residential Space Heating Low Income Rate R-4

NSTAR Electric Company · Flat · filed 2024

$0.3425per kWh, all in
$4,110a year at 1,000 kWh/mo
$10.00fixed, before any usage
$0.1992utility's actual average

What this tariff charges

Fixed charge$10.00 per month
StructureFlat
Filed2024-01-01

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.

Energy charge

TierUp toBase AdjustmentCharged $/kWh
1 no limit 0.16033 0.17216 0.33249

What it costs at different usage levels

kWh per monthAnnual total Effective $/kWh
500 $2,114.94 $0.3525
1000 $4,109.88 $0.3425
2000 $8,099.76 $0.3375

Effective rate includes the fixed charge, which is why it falls as usage rises.

NSTAR Electric Company offers a cheaper tariff at this usage. Greater Boston Residential Assistance A4 (R-3) without electric heat comes to $1,175.88 a year against this one's $4,109.88 — a difference of $2,934. Eligibility rules may apply; check with the utility.

Rooftop solar on this tariff

A 7 kW system costing $21,000 before incentives would save between $1,670 and $3,030 a year on this tariff, paying back in 7–13 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

This rate is applicable to low-income residential customers based upon verification of a Customer's receipt of any means-tested public-benefit program or verification of eligibility for the low-income home energy assistance program (LIHEAP) or its successor program, for which eligibility does not exceed 60% of the state median income or other criteria approved by the Department.

URDB rate id 6658f247822c13d95703273b · utility source document · all NSTAR Electric Company tariffs