Solar Panel Cost Guide in Darien, CT (2025 Update)
- Darien Solar Installation Cost: $11,749
- 25-Year Savings: $34,351
- Payback Period: 10.9 Years
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Average Cost of Solar Panels in Darien
Let’s have a look at the average cost of solar in Darien.
The average cost of solar panels in Darien is 4 per watt.Since a 4.5-kW system is needed to cover the energy needs of a typical home in Darien, the average price of going solar will be about $11,749 after claiming the federal solar tax credit of 0.
Remember that the numbers above are only averages. The price you’ll pay for solar may vary based on your household energy needs, the type of solar system you want, your solar contractor and more.But, after you've paid the initial cost of installation, the payback for most homeowners is quite good, with a net average savings of about $23,000 over 20 years on energy bills.
To get a free estimate from a top solar installation company in Darien, you can click the button below.
Solar savings over time in Darien
| Year | Return on Investment |
|---|---|
| 1 years | $-9,905 |
| 3 years | $-6,217 |
| 5 years | $-2,529 |
| 7 years | $1,159 |
| 9 years | $4,847 |
| 11 years | $8,535 |
| 13 years | $12,223 |
| 15 years | $15,911 |
| 17 years | $19,599 |
| 19 years | $23,287 |
| 21 years | $26,975 |
| 23 years | $30,663 |
| 25 years | $34,351 |
Top Solar Installers in Darien
Many homeowners opt for a solar installation company since installing solar panels by yourself can be hard. Local solar installation companies can also help you optimize your return on investment by assisting with any local incentives you can benefit from and by offering warranties and repairs.
If you’d like to switch to solar energy but still aren’t certain which solar installer to go with, here are our suggestions for providers nearby:
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best for Leasing
Sunrun
- Expansive service area
- Many financing options
- Some reported issues with customer service
- Some reported issues with door-to-door sales
See all of the solar companies in Darien
Factors that Affect Solar Panel Costs in Darien
The cost of installing a solar system in Darien can vary by more than $10,000 from home to home. Your actual cost is dependent on several factors. The largest one is the size of the system your household needs, and other factors include the equipment you choose, financing options and the solar company you choose.
Solar Equipment
When it comes to estimating the cost of a solar panel system in Darien, one of the most important factors is the size of the system you need. Solar systems are sized by kilowatts (kW) and are primarily based on your home’s energy usage, which you can determine by looking at past energy bills. Your overall cost can increase by around $3,750 for each additional kilowatt you need.The brand and type of equipment you want for your solar system can increase or decrease the price quite significantly. If you prefer a brand name like Tesla or SunPower, these are often more expensive than other brands. Efficiency also matters. Whether you’re opting for high efficiency because you have a small roof or just want maximum energy production, you can expect a higher equipment cost, but this can typically lead to more savings over time. Plus, if you want add-ons like an electric vehicle charger or solar batteries, this will also raise the cost.
Solar Financing Terms
For some homeowners, paying for solar out of pocket can be challenging. Solar loans are available from most installers in Darien, which can lower, or in some cases totally eliminate, your upfront costs to make solar more accessible.When trying to figure out your overall cost, you should also calculate the interest you’ll pay if you opt for a solar loan. Also, paying a higher down payment can reduce the total interest paid over time.
Solar Panel Installation Company
The solar company you opt for to handle your switch to renewable energy can play a role in your total costs. There are about 3 solar panel companies in Darien, and each can charge different amounts for labor and equipment.Larger national companies usually have lower costs, but some local companies compete with them by promoting sales and discounts. While the smaller companies might not have access to specific equipment options like Tesla Powerwall batteries or add-on services like electric vehicle charger installation, they might be cheaper overall.
Solar Panel Cost Data by System Size
| System size | Cost per system watt | Solar system cost | 25-Year savings | Payback period |
|---|---|---|---|---|
| 6 kW | $3.90 | $16,380 | $19,692 | 11.4 years |
| 8 kW | $3.83 | $21,420 | $26,675 | 11.1 years |
| 10 kW | $3.75 | $26,250 | $33,869 | 10.9 years |
| 12 kW | $3.67 | $30,870 | $41,273 | 10.7 years |
| 14 kW | $3.60 | $35,280 | $48,887 | 10.5 years |
| 16 kW | $3.52 | $39,480 | $56,711 | 10.3 years |
| 18 kW | $3.45 | $43,470 | $64,745 | 10.0 years |
| 20 kW | $3.38 | $47,250 | $72,988 | 9.8 years |
How to Save on Solar Panels
There are many solar installers to choose from, all of which offer different warranties, solar panel brands and price points. To help you decide on the right company for you, here are some tips to keep in mind:
- Contract: Though reading through a contract can take a lot of time, it’s important to do it carefully so you can make sure you understand what services your solar company will provide and the terms of the warranty.
- Solar Panel Brands: Not all solar companies offer the same brands of solar panels, so the brand and type of panel you want can play a big role in the company you hire.
- Warranty: If you’re concerned about the durability of your solar system, making sure your installer offers a 25-year, all-inclusive warranty can help put you at ease.
- Installation Process: Get details from your solar installer about the installation process and what to expect, such as when the site survey will be done and how long it will take.
Best Regional Coverage
Momentum Solar
- Great warranty coverage
- Representatives are experts on local policies
- Concierge service ensures steady communication
- Slightly limited service offerings
Best for Leasing
Sunrun
- Expansive service area
- Many financing options
- Some reported issues with customer service
- Some reported issues with door-to-door sales
EcoWatch's Darien, CT Solar Cost FAQs
How much does it cost to install solar panels in Darien?
This is a hard question to answer exactly, because the cost depends on many factors. Broadly speaking, it costs about $18,750 for a 5-kW system and $37,500 for a 10-kW system after the ITC is applied. It will cost more if you want extra solar equipment or more efficient panels, or if you have above-average energy needs. Conversely, you can spend less if you go with a smaller solar panel system or cheaper solar panels.
Is cost the most important thing to consider when buying solar panels?
Cost is certainly one of the most important things to keep in mind when buying solar panels, but other important factors include efficiency, durability, and quality.
Is going solar worth it?
Solar panels can be a great investment for a majority of homeowners, but they might not be worth it for everyone. If your home doesn't get a lot of direct sunlight and/or your power bills are already reasonably low, solar panels might not be for you.
How long do solar panels last in Darien?
Even though the average lifespan of solar panels is 25 to 30 years, that doesn't mean they are completely unusable at that time. What this means is their energy production will have decreased significantly after that point. You can opt to replace them after having them for that long or you can continue to use them at a lower efficiency.
Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert's opinion on the top solar companies featured here, follow this link.
Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.