We rank National Grid competitive supply plans by total monthly bill at your usage — customer charges and fees included — so the cheapest one wins on real math, not marketing. Enter your typical monthly usage and we'll show the all-in cost for every available plan. How we calculate.

The questions our readers actually ask

Has National Grid raised rates? What's the fixed charge? Are there cheaper hours?

Three questions, three widgets. Every number below comes from National Grid's official tariff on file with the Massachusetts Department of Public Utilities (DPU), aggregated by NREL's U.S. Utility Rate Database — not marketing math.

See National Grid's full rate history →

Year-by-year approved rates, fixed charges, and tariff filings since 2010.

Source: Tariff schedules filed with the Massachusetts Department of Public Utilities (DPU), indexed by NREL's U.S. Utility Rate Database (URDB). Individual tariff PDF links appear inside each chart and plan card above.

City Served

Brockton, Massachusetts

ZIP code 02302 is in the National Grid service area. Explore more electricity options for Brockton residents.

Brockton

View all electricity plans

Looking for more options? Visit the Brockton electricity page to see all ZIP codes and compare rates for the entire city.

Who has the cheapest electricity rates in 02302?

The cheapest electricity rate in ZIP code 02302 is 12.7¢/kWh from Clearview Energy for the supply portion of your bill. This National Grid service area is part of Massachusetts' Energy Choice program, where you can choose your electricity supplier while National Grid continues delivering your power. National Grid offers a Basic Service rate of 15.4¢/kWh—if a competitive supplier beats this rate, you save money. Compare all available supplier rates above to find the best deal.

Rates are for supply only · Your National Grid delivery charges stay the same regardless of supplier

Best Electricity Rate in 02302: 12.7¢/kWh

The lowest electricity rate for National Grid customers in ZIP code 02302 is 12.7¢/kWh from Clearview Energy. National Grid's current Basic Service rate is 15.4¢/kWh. Switching from National Grid's default rate could save you up to 27% on electricity supply charges.

Key Facts for ZIP 02302

Lowest rate: 12.7¢/kWh from Clearview Energy
National Grid default rate: 15.4¢/kWh (Basic Service)
Potential savings: Up to 27% by switching suppliers
Program: Massachusetts Energy Choice - switch suppliers, keep National Grid delivery
Switching time: 1-2 billing cycles, no service interruption

Rates verified June 2026 • Reviewed by Brad • Source: MA DPU

How Smart Enroll Works in 02302

Smart Enroll is an automatic rate monitoring service for National Grid customers. Instead of manually comparing and switching suppliers, Smart Enroll monitors rates daily and switches you to better plans automatically.

1
Enter your contact information
Provide your name, email, and phone number so we can keep you informed when rates change or when we find a better deal.
2
Add your National Grid account details
Enter your account number (found on your bill) and service address. This connects your account to our rate monitoring system.
3
Authorize automatic rate monitoring
Sign the Letter of Authorization (LOA) to allow us to monitor rates and switch you to better plans when they become available. You stay in control—no surprise changes.

What happens after you enroll: We monitor MA DPU-licensed supplier rates daily. When we find a plan that saves you money, we handle the switch automatically. National Grid continues delivering your power—only the supply rate changes.

Smart Enroll works with suppliers licensed by the Massachusetts Department of Public Utilities (MA DPU). You can cancel monitoring anytime at no charge. If you cancel a supplier contract early, that supplier's early termination fee (if any) applies.

National Grid Electricity Rates for 02302 in Brockton

How it works

Sign up once

We watch for a cheaper rate

Renewals are handled

Reviews

Has National Grid raised rates? What's the fixed charge? Are there cheaper hours?

Brockton, Massachusetts

Brockton

Who has the cheapest electricity rates in 02302?

Best Electricity Rate in 02302: 12.7¢/kWh

Key Facts for ZIP 02302

How Smart Enroll Works in 02302

Compare Rates in Nearby ZIP Codes

Worth reading if you have National Grid

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National Grid Phone Number & Customer Service (2026)

National Grid vs Eversource: How the Same State Ended Up With Rates 2x Apart

Massachusetts Electricity Choice: Compare & Switch