Solar Panels price guides
Price guides for solar panel installation and photovoltaic systems.
Aggregate range based on the published guides in this category, including project totals, hourly pricing, and unit pricing where relevant.
How these price guides are calculated
Price ranges are based on real renovation quotes from verified professionals. We group similar projects, remove outliers, and update the data as new jobs are completed.
Real quotes and project scope
We review published budgets, common line items, and recurring scope patterns from homeowner projects and professional quotes.
Useful reference ranges
We group comparable jobs, remove clear outliers, and keep the range broad enough to stay realistic before a tailored quote.
Regularly refreshed guidance
As new guides are normalized and more projects are reviewed, the examples and ranges become more complete and representative.
These ranges are indicative. Use them as a starting point before requesting tailored quotes for solar panels.
Solar Panels price guides with example budgets
Price guides for solar panel installation and photovoltaic systems.
How Much Does It Cost to Expand a Photovoltaic Installation?
The cost of expanding a solar panel installation will depend on the type and number of panels. A monocrystalline photovoltaic panel costs around 350 € – 400 €, while a high-performance thermal panel can cost around 600 €. Panel power, brand, and quality can significantly modify the price.
How Much Does Solar Panel Repair and Maintenance Cost?
The price of solar panel maintenance typically ranges between 150 € and 300 €. Solar panel maintenance costs vary depending on installation size, panel location, and the maintenance actions performed.
Installing Home Inverters and Batteries
Installing home inverters and battery systems is essential for maximizing your solar self-consumption, with prices ranging from 3,000 € to 18,000 € depending on the system you choose. The cost varies significantly based on storage capacity (a 5 kWh lithium battery costs around 3,500 €, while a 10 kWh battery reaches 6,500 €) and the inverter power required for your installation. It's advisable to request quotes from several professional installers to compare options and ensure the best value for your investment.
Installing Solar Panels: Prices and Quotes
Installing solar panels is an investment in renewable energy with prices ranging from 3,500 € to 25,000 €, averaging 9,250 €. The final cost depends on system size (from 4,500 € for 3 kW to 15,000 € for 10 kW), material quality, and whether it includes battery storage. It's recommended to request quotes from multiple professional installers to compare options and ensure the best value for your solar project.
Maintenance and Repair of Home Inverters and Batteries
Maintenance and repair of domestic inverters and batteries is an essential service for solar systems, with prices ranging from 150 € to 3,500 € depending on the scope of work. The cost varies significantly based on the type of intervention: a diagnostic inspection can start from 85 €, while a complete inverter replacement costs around 1,800 €. It is recommended to request quotes from several professional installers to compare options and ensure the best value for money in your solar investment.
Other Solar Panel Work
Additional work on solar panel installations includes maintenance, repairs, and upgrades, with prices ranging from 200 € to 3,500 € depending on the type of service. The cost depends on factors such as job complexity, materials required, and system size; for example, annual cleaning ranges from 150 € to 300 €, while inverter replacement can reach 2,000 €. It is advisable to request quotes from several professional installers to compare options. Investing in regular maintenance ensures maximum performance and durability of your solar installation.
Installation Price of Thermal Solar Panels for Heating and Hot Water
The cost of a thermal solar installation ranges between 600 € - 1,000 €/m² with flat panels and between 900 € - 1,400 €/m² if using vacuum tube collectors.
Prices and Quotes for Photovoltaic Installation
The average cost for a residential installation with approximately 3 kW consumption and 11 panels is typically around 8,000 € - 9,000 €. However, the budget can vary based on energy requirements, solar irradiation in the installation area, and panel type. On average, a photovoltaic panel has a production capacity of approximately 275 W, with an approximate price of 150 € - 200 €.
All prices shown are indicative ranges based on verified quotes. Detailed ranges become more complete as guides are normalized and published.
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Describe the work, add photos, and choose your budget range. It's free and takes less than 3 minutes.
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Get multiple offers with clear prices, deadlines, and verified ratings so you can compare like-for-like.
3. Choose and pay safely
Pick the best bid, secure the payment in escrow, and release it only when the job is completed to your satisfaction.
How Reformia works
Post your project once, receive competitive bids from verified professionals, and choose the offer that fits your budget — all with payments safely held in escrow until you're satisfied. Reformia verifies every professional and runs a transparent auction system to keep pricing fair.
1. Publish your project
Describe the work, add photos, and choose your budget range. It's free and takes less than 3 minutes.
2. Receive competitive bids
Get multiple offers with clear prices, deadlines, and verified ratings so you can compare like-for-like.
3. Choose and pay safely
Pick the best bid, secure the payment in escrow, and release it only when the job is completed to your satisfaction.
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No, posting a project on Reformia is completely free. You only pay when you choose a professional and agree to their bid. The payment is then held in our secure escrow system until the work is completed.
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Once you post your project, verified professionals in your area can submit competitive bids. Each bid includes a price, estimated timeline, and the pro's verified ratings. You can compare all offers side by side before making a decision.
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All payments are processed through our secure escrow system. When you accept a bid, the funds are held safely until you confirm the job is completed to your satisfaction. This protects both homeowners and professionals.
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Got more questions? Contact us!
Got more questions? Contact us!
Frequently asked questions
Do I have to pay to post a job?
No, posting a project on Reformia is completely free. You only pay when you choose a professional and agree to their bid. The payment is then held in our secure escrow system until the work is completed.
How do bids work?
Once you post your project, verified professionals in your area can submit competitive bids. Each bid includes a price, estimated timeline, and the pro's verified ratings. You can compare all offers side by side before making a decision.
Who handles payments?
All payments are processed through our secure escrow system. When you accept a bid, the funds are held safely until you confirm the job is completed to your satisfaction. This protects both homeowners and professionals.
Is the service available in my city?
Reformia is currently available in over 500 cities across Spain. We're constantly expanding our network. Enter your location when posting a project to see available professionals in your area.
What happens if something goes wrong?
Your personal dashboard keeps every detail in one place — from bids and contracts to messages and payments. If there's a dispute, our mediation team steps in to help resolve it fairly. Your escrow funds are protected until the issue is resolved.