Massachusetts RPS & APS Compliance Cost Calculator

Understand your electricity bill’s renewable compliance component — and how it evolves through 2030.

Your Account Details

Annual Electricity Consumption (kWh)

Supply Type

Section A: Your 2026 Embedded Compliance Costs

Component	Requirement	Rate Used	Est. Annual Cost	¢/kWh

Section B: Compliance Cost Trajectory 2026–2030

Class I increases ~2%/year; APS increases ~0.5%/year; rates held constant for illustration.

Year	Class I %	APS %	Est. Total Compliance Cost	$/MWh

Important Disclaimer: Compliance requirements and ACP rates are set by the Massachusetts Department of Energy Resources and updated annually. Rates and percentages shown are estimates for illustrative purposes only and do not constitute a binding offer or guarantee. Actual costs will vary based on real REC market prices, which fluctuate daily. Gridwealth Electric does not guarantee any specific compliance cost or savings. This calculator is for informational use only; please contact your account manager for specific pricing and compliance details applicable to your account.

Town / City	Old Aggregation Price ($/kWh)	New Aggregation Price ($/kWh)	Start Date	Increase ($/kWh)	Increase %
Acushnet	0.1047	0.1578	12/23/23	0.0531	51%
Adams	0.0995	0.1505	11/23/23	0.0510	51%
Ashland	0.10409	0.1599	12/23/23	0.0558	54%
Attleboro	0.1047	0.1578	12/1/23	0.0531	51%
Carver	0.1047	0.1600	12/1/23	0.0553	53%
Chelmsford	0.10042	0.1580	11/1/23	0.0576	57%
Clarksburg	0.0995	0.1521	11/1/23	0.0526	53%
Dartmouth	0.1047	0.1578	12/1/23	0.0531	51%
Dedham	0.1047	0.1578	12/1/23	0.0531	51%
Dighton	0.1047	0.1578	12/1/23	0.0531	51%
Douglas	0.1047	0.1578	12/1/23	0.0531	51%
Dracut	0.1047	0.1600	12/1/23	0.0553	53%
Easton	0.1028	0.1400	11/1/23	0.0372	36%
Fairhaven	0.1047	0.1600	12/1/23	0.0553	53%
Fall River	0.1047	0.1600	12/1/23	0.0553	53%
Florida	0.097	0.1505	11/1/23	0.0535	55%
Franklin	0.10725	0.1500	11/1/23	0.0428	40%
Freetown	0.1047	0.1600	12/1/13	0.0553	53%
Halifax	0.107	0.1518	9/1/23	0.0448	42%
Hamilton	0.11038	0.1510	12/1/23	0.0406	37%
Harvard	0.128	0.1484	11/1/23	0.0204	16%
Holliston	0.10331	0.1477	12/1/23	0.0444	43%
Lenox	0.099	0.1505	11/1/23	0.0515	52%
Marion	0.1047	0.1600	11/1/23	0.0553	53%
Mattapoisett	0.1047	0.1600	11/1/23	0.0553	53%
Millis	0.1047	0.1600	11/1/23	0.0553	53%
Monterey	0.0995	0.1505	11/1/23	0.0510	51%
New Bedford	0.1047	0.1600	11/1/23	0.0553	53%
New Marlborough	0.0995	0.1501	11/1/23	0.0506	51%
Newburyport	0.1332	0.1481	11/1/23	0.0149	11%
North Adams	0.0995	0.1505	11/1/23	0.0510	51%
North Andover	0.1256	0.1554	10/1/23	0.0298	24%
Northbridge	0.1047	0.1600	11/1/23	0.0553	53%
Norton	0.1047	0.1600	11/1/23	0.0553	53%
Pembroke	0.10529	0.1475	11/1/23	0.0422	40%
Plainville	0.1047	0.1600	11/1/23	0.0553	53%
Plympton	0.1027	0.1481	10/1/23	0.0454	44%
Rehoboth	0.1047	0.1600	11/1/23	0.0553	53%
Seekonk	0.1047	0.1600	11/1/23	0.0553	53%
Sheffield	0.09999	0.1505	11/1/23	0.0505	51%
Somerset	0.1047	0.1600	11/1/23	0.0553	53%
Stoneham	0.10196	0.1495	12/1/23	0.0475	47%
Stoughton	0.124	0.1434	11/1/23	0.0194	16%
Sudbury	0.10048	0.1495	12/1/23	0.0490	49%
Swansea	0.1047	0.1600	11/1/23	0.0553	53%
Waltham	0.10554	0.1535	12/1/23	0.0479	45%
West Stockbridge	0.0995	0.1505	11/1/23	0.0510	51%
Westborough	0.09709	0.1432		0.0461	47%
Williamstown	0.10671	0.1602	11/1/23	0.0535	50%

Massachusetts RPS & APS Compliance Cost Calculator