Unitil MA Solar Savings: Net Metering, Rates & Rebates (2026)

How much can Unitil MA customers save with solar in 2026? With retail net metering and $0.1/kWh export compensation, solar is a strong investment. Plus the 30% federal tax credit cuts your upfront cost significantly. See the full breakdown below.

Last updated: Reviewed by: Sarah Chen
retail Net Metering Type
$0.1/kWh Export Compensation
$100 Interconnection Fee
40,000 Customers Served
N/A Peak Rate (TOU)
N/A Off-Peak Rate (TOU)

⚠ Unitil MA has reached its net metering cap. New applicants may receive reduced export compensation. Act quickly to lock in the best available rates.

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Solar Policy Details for Unitil MA

PolicyDetails
Net Meteringretail
Export Compensation$0.1/kWh
Interconnection Fee$100
Time-of-Use RatesNot available
Net Metering CapReached — limited availability
Renewable ProgramAvailable
Battery IncentiveNot available
EV Rate ProgramNot available

Maximizing Solar Savings with Unitil MA

Unitil MA customers — a regional utility serving Massachusetts — benefit from full retail-rate net metering at $0.1/kWh export compensation. This above-average rate means excess solar production is particularly valuable — every kWh you export earns strong credit toward your bill.

Export Compensation

When your solar system produces more electricity than you use, the excess is exported to the grid. Unitil MA compensates you at $0.1/kWh for exported energy under their retail policy.

State Incentives in Massachusetts

In addition to Unitil MA's policies, Massachusetts homeowners can access:

  • Federal ITC: 30% tax credit on solar installation
  • State Tax Credit: 15% additional state credit
  • SRECs: $250/MWh tradeable credits
  • Property Tax Exemption: Solar increases home value without raising property taxes
  • Sales Tax Exemption: No sales tax on solar equipment
See All Massachusetts Incentives
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Frequently Asked Questions

Yes — Unitil MA provides full retail-rate net metering. Export compensation is approximately $0.1/kWh, which is above-average compared to other Massachusetts utilities. Important: the net metering cap has been reached, which may limit enrollment for new solar customers. Act quickly to secure the best available rate.
Unitil MA's interconnection fee is approximately $100, which is moderate for Massachusetts. This is a one-time fee to connect your solar system to the grid. This moderate fee keeps your upfront solar costs lower.
Unitil MA does not currently offer time-of-use rates, meaning your electricity cost is the same regardless of when you use it. This makes solar economics straightforward — every kWh your panels produce saves you the standard rate.
Unitil MA does not currently offer specific battery incentives. However, battery storage can still be valuable for backup power during outages and maximizing self-consumption of solar energy.
Unitil MA serves approximately 40,000 customers in Massachusetts, making it a regional utility serving Massachusetts. Solar policies vary between utilities — check that your installer is familiar with Unitil MA's specific interconnection process.

SolarSavingsAI Research Team

Solar Energy Analysts

Our team analyzes solar incentive data from federal (DOE, IRS), state (DSIRE), and utility sources to provide accurate savings estimates. Data is reviewed quarterly and cross-referenced with NREL benchmarks.

Sources: DOE, IRS, DSIRE, NREL, EIA Updated: 2026 Full Methodology Editorial Standards

Cities Served by Unitil MA

Boston, MA 4 sun hrs/day Worcester, MA 4 sun hrs/day Springfield, MA 3.9 sun hrs/day Cambridge, MA 4 sun hrs/day Lowell, MA 4 sun hrs/day Brockton, MA 4 sun hrs/day Quincy, MA 4 sun hrs/day Lynn, MA 4 sun hrs/day

Other Utilities in Massachusetts

National Grid MA Net metering: retail Eversource MA Net metering: retail Holyoke Gas & Electric Net metering: retail Braintree Electric Light Department Net metering: retail Berkshire Hills Electric Cooperative Net metering: retail

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