Compare New Castle, DE electricity rates and plans (April 2026)
New Castle electricity rates vary, but the average residential rate is around 13.65 cents per kWh, with a monthly bill averaging $98.13.
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Brogan Woodburn
Last updated: Apr 1, 2025
Fact checked by: Alex Zdanov
What to know about electricity rates in New Castle, DE
- New Castle residents pay 13.65 cents per kWh while the average national rate is 16.77 cents
- The cheapest electricity rate is 11.82 cents per kWh for New Castle residents
- You can shop rates from 18 available providers in New Castle
Compare electricity plans
Find the best electricity rates in your area
Best New Castle, DE electricity rates
In the city of New Castle, you can find electricity rates that range from 11.82 cents to 25.92 cents per kWh. The best electricity plans in New Castle for you depend on how much power you use and when you use it. Comparing companies is the best way to find better rates. Below are some rates from popular electric companies in New Castle.
What is the cheapest electricity company in New Castle, DE?
| Provider | Service | Rate (c/kWh) |
|---|---|---|
| Constellation Energy | Energy | 10.80 |
| Rushmore Energy | Energy | 11.12 |
| Ambit Energy | Energy | 12.16 |
| CleanSky Energy | Energy | 12.53 |
| Inspire Energy | Energy | 12.73 |
| WGL Energy | Energy | 12.77 |
| Direct Energy | Energy | 12.92 |
| Greenlight Energy | Energy | 13.65 |
| New Castle Municipal Services Commission | Bundled | 15.70 |
| Spark Energy | Energy | 15.77 |
Because Delaware has a deregulated electricity market, New Castle residents have the flexibility to shop around for a cheaper electricity bill. Many states don't offer this choice. If you're looking to reduce your energy bill, consider switching to a different provider or plan. New Castle electricity providers offer different types of plans for residents and businesses to satisfy a range of needs.
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Find the best electricity rates in your area
Average cost of electricity in New Castle, Delaware
According to our data, the average electricity rate in New Castle is 13.65 cents per kWh. This equates to an average residential bill of $98.13 per month. Our data also shows the average resident in New Castle uses 719 kWh per month. Below, you can see how New Castle's electricity rates compare to the averages in Delaware and the United States.
| Rate | Usage | Bill | |
|---|---|---|---|
| New Castle Average | 13.65c | 719 kWh | $98.13 |
| Delaware Average | 17.18c | 901 kWh | $154.85 |
| United States Average | 16.77c | 585 kWh | $98.13 |
Since the average price is 13.65 cents per kWh or $98.13 per month for residential electricity, prices lower than these can be considered affordable. Electricity rates in New Castle, Delaware depend on your home size and usage, so the kWh rate is more useful when comparing your rate to the average.
Best electricity plans
We've analyzed the prices, terms, and conditions of popular New Castle electricity plans. Below are our picks for the best residential plans in the state.
| Provider | Contract Term | Rate | Plan |
|---|---|---|---|
| 12 months | 9.02¢/kWh | See Plan | |
| 12 months | 9.40¢/kWh | See Plan | |
| 24 months | 9.49¢/kWh | See Plan | |
| 12 months | 9.69¢/kWh | See Plan | |
| 24 months | 10.00¢/kWh | See Plan | |
| See All Plans | |||
Compare New Castle electricity providers
There are 18 electricity providers in New Castle, DE. While some providers only serve specific areas, you have multiple options for electricity wherever you are. Different providers can offer different specials, plan types, and sales throughout the year. However, always read the fine print of the energy plans you consider to avoid hidden penalties.
Residential Electricity Providers in New Castle
| Provider | Service Type | Rate (c/kWh) | Bill |
|---|---|---|---|
| Constellation Energy | Energy | 10.80 | $109.41 |
| Rushmore Energy | Energy | 11.12 | $87.86 |
| Ambit Energy | Energy | 12.16 | $125.21 |
| CleanSky Energy | Energy | 12.53 | $67.02 |
| Inspire Energy | Energy | 12.73 | $110.46 |
| WGL Energy | Energy | 12.77 | $108.09 |
| Direct Energy | Energy | 12.92 | $126.01 |
| Greenlight Energy | Energy | 13.65 | $99.27 |
| New Castle Municipal Services Commission | Bundled | 15.70 | $120.90 |
| Spark Energy | Energy | 15.77 | $152.53 |
Compare electricity plans
Find the best electricity rates in your area
Business electricity rates in New Castle, DE
Commercial rates are typically cheaper than residential rates in New Castle, Delaware because businesses consume a lot of energy. This means they get a volume discount on electricity. Think about how much power a corner store might use to run HVAC, refrigeration, security systems, lighting, and computers. It adds up. Our data shows the average business in New Castle pays 11.58 cents per kWh for electricity and has an average bill of $1259.31 per month. They also use 10878 kWh per month, which is a big increase from the residential average of 719 kWh.
| Rate | Usage | Bill | |
|---|---|---|---|
| New Castle Average | 11.58c | 10878 kWh | $1259.31 |
| Delaware Average | 15.55c | 2726 kWh | $423.88 |
| United States Average | 12.35c | 10197 kWh | $1259.31 |
Finding ways to reduce overhead costs is essential as a business owner. You have the opportunity to do that in a deregulated electricity market. Even reducing your electricity by one or two cents per kWh can make a huge difference when you have a high monthly bill. Compare commercial electricity rates to find the plan that makes the most sense for your business.
Best commercial electricity plans
Below are the top commercial electricity plans in New Castle, Delaware.
| Provider | Contract Term | Rate | Plan |
|---|---|---|---|
| 12 months | 6.456¢/kWh | See Plan | |
| 18 months | 6.625¢/kWh | See Plan | |
| 24 months | 6.748¢/kWh | See Plan | |
| 30 months | 6.881¢/kWh | See Plan | |
| 12 months | 6.951¢/kWh | See Plan | |
| 36 months | 6.963¢/kWh | See Plan | |
| 18 months | 7.213¢/kWh | See Plan | |
| 24 months | 7.273¢/kWh | See Plan | |
| 30 months | 7.465¢/kWh | See Plan | |
| 36 months | 7.491¢/kWh | See Plan | |
| 6 months | 7.654¢/kWh | See Plan | |
| 12 months | 7.697¢/kWh | See Plan | |
| 12 months | 7.709¢/kWh | See Plan | |
| 12 months | 7.760¢/kWh | See Plan | |
| 18 months | 7.900¢/kWh | See Plan | |
| 18 months | 7.902¢/kWh | See Plan | |
| 12 months | 7.933¢/kWh | See Plan | |
| 18 months | 7.938¢/kWh | See Plan | |
| 12 months | 7.947¢/kWh | See Plan | |
| 12 months | 7.959¢/kWh | See Plan | |
| 24 months | 7.984¢/kWh | See Plan | |
| 24 months | 8.001¢/kWh | See Plan | |
| 24 months | 8.039¢/kWh | See Plan | |
| 18 months | 8.139¢/kWh | See Plan | |
| 18 months | 8.150¢/kWh | See Plan | |
| 18 months | 8.152¢/kWh | See Plan | |
| 12 months | 8.183¢/kWh | See Plan | |
| 12 months | 8.197¢/kWh | See Plan | |
| 12 months | 8.209¢/kWh | See Plan | |
| 24 months | 8.228¢/kWh | See Plan | |
| 36 months | 8.231¢/kWh | See Plan | |
| 24 months | 8.234¢/kWh | See Plan | |
| 24 months | 8.251¢/kWh | See Plan | |
| 36 months | 8.299¢/kWh | See Plan | |
| 36 months | 8.323¢/kWh | See Plan | |
| 18 months | 8.389¢/kWh | See Plan | |
| 18 months | 8.400¢/kWh | See Plan | |
| 18 months | 8.402¢/kWh | See Plan | |
| 12 months | 8.433¢/kWh | See Plan | |
| 24 months | 8.478¢/kWh | See Plan | |
| 24 months | 8.484¢/kWh | See Plan | |
| 24 months | 8.501¢/kWh | See Plan | |
| 36 months | 8.549¢/kWh | See Plan | |
| 36 months | 8.556¢/kWh | See Plan | |
| 36 months | 8.573¢/kWh | See Plan | |
| 18 months | 8.639¢/kWh | See Plan | |
| 6 months | 8.720¢/kWh | See Plan | |
| 24 months | 8.728¢/kWh | See Plan | |
| 12 months | 8.757¢/kWh | See Plan | |
| 36 months | 8.799¢/kWh | See Plan | |
| 36 months | 8.806¢/kWh | See Plan | |
| 36 months | 8.823¢/kWh | See Plan | |
| 18 months | 8.896¢/kWh | See Plan | |
| 24 months | 8.993¢/kWh | See Plan | |
| 36 months | 9.056¢/kWh | See Plan | |
| 30 months | 9.205¢/kWh | See Plan | |
| 36 months | 9.308¢/kWh | See Plan | |
| See All Plans | |||
How to switch your New Castle electricity provider
While switching electricity suppliers in New Castle might seem intimidating, the state's deregulated energy market allows you to choose from multiple providers and potentially secure better rates.
To switch providers, first verify your current contract's status and compare available rates from suppliers like NRG, Clearview Energy, and NextEra Energy.
You'll need to:
- Review contract terms and lengths (3-36 months)
- Consider renewable energy options
- Check for additional fees
- Sign a Letter of Authorization
The switch won't interrupt your service, and your new supplier will handle the transfer with your utility company.
Your new rate will take effect in the next billing cycle.
Best time to switch electric companies in New Castle, Delaware?
Since energy rates and market conditions fluctuate throughout the year, timing your switch to a new New Castle electricity provider can greatly impact your potential savings.
The best times to switch in New Castle typically include:
- Before peak seasons (summer/winter) when you can lock in lower rates
- When your current contract is nearing expiration
- During off-peak months when providers offer competitive promotions
- After comparing rates during market downturns
Consider your personal circumstances, such as:
- Changes in household energy consumption
- Budget requirements
- Need for different plan features
- Moving to a new residence
- Dissatisfaction with current provider's service
Always check contract terms and early termination fees before making the switch.
Compare electricity plans
Find the best electricity rates in your area
New Castle's deregulated electricity market
After Delaware deregulated its electricity market in 1999, the state transformed how residents and businesses purchase their power.
The system now operates with three distinct components:
- Generation: Power companies produce electricity and sell it in the wholesale market
- Transmission: Utilities maintain the high-voltage power lines that transport electricity
- Distribution: Local utilities like Delmarva Power deliver electricity to your home
Many retail suppliers compete for your business and offer various rate plans. If you don't select a supplier, you'll automatically receive default service through your utility provider.
The Public Service Commission continues to regulate distribution services, ensuring reliable power delivery.
Types of electricity plans in New Castle, DE
New Castle residents can choose from several electricity plan options that match their energy needs and budget preferences.
Each plan type offers distinct advantages:
- Fixed-rate plans: You'll get consistent rates throughout your contract term, making budgeting easier. However, early termination fees may apply.
- Green energy plans: You can power your home with 100% renewable sources while supporting Delaware's clean energy goals.
- Time-of-use plans: You'll pay different rates based on when you use electricity, with lower costs during off-peak hours.
- Variable-rate/prepaid plans: You'll have flexibility without long-term commitments, though rates may fluctuate monthly based on market conditions.
Compare New Castle electricity rates
Compare New Castle electricity rates to save money and avoid overpaying in the deregulated market. Bills can vary greatly, with rates between 12 to 26 cents per kWh across different providers and plan structures. Take the time to read the fine print and do the math to figure out which is your best option.
Compare electricity plans
Find the best electricity rates in your area
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New Castle, DE electricity rate FAQs
What is a good rate per kWh in New Castle?
In New Castle, Delaware, a good electricity rate falls between 13 cents to 15 cents per kWh. Tired of high bills? Shop during spring and fall to lock in lower prices before HVAC use spikes in the summer or winter.
What are electric rates in New Castle today?
New Castle electricity rates currently average 13.65 cents per kWh, but you'll likely pay between 12 to 16 cents depending on your provider, location, and plan type.
Why is electricity so expensive in New Castle, DE right now?
New Castle electricity costs are rising due to massive wholesale price increases from PJM auctions. Customers see higher bills because utilities pass these inflated costs directly to you.
Will electricity get cheaper in the future?
Electricity rates fluctuate due to energy demand, fuel costs, grid infrastructure, and regulatory policies. While short-term declines may occur, long-term trends often show increases due to inflation, grid modernization, and shifts to renewable energy.