Official Number 1.Solar Installer
Costa del Sol & Costa Blanca in Spain
Free Your Capital from Never-ending Utility Bills
You’ll lose money on utility bills every month for as long as you own a home. Unless you go solar.
That’s why a solar energy installation isn’t about saving a few hundred euros. It’s about unlocking thousands every year to invest in other things – while enjoying your home like never before.
Request your Free Solar Survey today and get access to:
The most accurate production estimates in Spain.
ROI, IRR and payback period projections.
Visual installation mock-ups.
Spain’s Most Accurate Solar Design Proposal
Marblanc Solar gives you reliable figures on your solar potential.
We combine the world’s leading solar design software (Pylon) with an inspection of your property’s electrics, a professional drone scan, and performance modelling based on over 500+ completed installations.
See a sample solar design proposal below.
Real-life Examples of promises delivered
Marblanc Solar offers our clients a 25-year workmanship warranty on top of standard equipment warranties. We stand behind our work and deliver on our promises.
See real-life examples of bill savings achieved below.
All-day AC with Zero Electricity Costs
This homeowner in Manilva client received a bill with zero electricity costs and a €40 standing charge.
Compared to the previous year, the client saved €191. Over the whole year, they are freeing up close to €2,000 while running their AC more than ever before.
€5,000 Saved from Utility Bills Every Year
This client in Sotogrande had a bill of €817 in the summer before going solar. A year later in August, their bill dropped to €30 (including standing charges).
The client is now freeing up over €5,000 across the year to spend on other things.
Break Even in 6 Months on Large Installation
This client in Marbella had a bill of €3,309 in summer. After going solar, that fell to €432 the following year.
The €2,900 reduction means they reached break even within 6 months and then almost eliminated a high expense.
find out more about going solar At Your Property
Get your Free Solar Survey today you’ll be offered a free home visit, drone inspection, 3D performance model, two custom proposals, and a break even estimation for each
Why Choose Marblanc Solar For Your Solar Panel Installation?
Marblanc Solar is proud to be the top-rated solar panel installer on the Costa del Sol with 100+ five-star reviews on our Google and Facebook profiles. In 2026 we set up our new satellite office in Javea to bring our solar installation services to the Costa Blanca.
We install solar panels, solar batteries, solar inverters and backup boxes. We switch you instantly to a new feed-in tariff with a virtual battery. As part of our post-installation support, we provide a direct WhatsApp channel with your installation Site Manager, a qualified electrician and our co-owners for support questions 7 days a week.
Top-Rated Installer
With over 100 five-star reviews, we are the top installer on Spain’s Costa del Sol & Costa Blanca.
No Salespeople
Our Free Solar Survey puts qualified engineers – not salespeople – in charge of your proposal.
In-House Team
From electricians to installers, our in-house team manages every detail of your project.
Solar Add-ons
We install solar panels, battery storage, EV car chargers, backup boxes & more.
After-Sales Care
Benefit from 25-year workmanship warranties, direct WhatsApp support channel, tariff switchover & more.
Hear From Our Clients
Marblanc Solar is the top-rated solar installer focusing on the Costa del Sol and the Costa Blanca in Spain. Hear what our clients say about working with us.
Where do Where Install Solar Panels in Spain?
Marblanc Solar is currently active in the Costa del Sol and Costa Blanca in Spain. This includes the provinces of Alicante and Malaga – as well as parts of Cadiz, Granada and Valencia.
See our latest installations below.
find out more about going solar At Your Property
Get your Free Solar Survey today you’ll be offered a free home visit, drone inspection, 3D performance model, two custom proposals, and a break even estimation for each
Complete Solar Solutions For Your home
We provide a range of solar installation services to help you maximise your savings for the lifespan of your solar equipment.
Free Aftersales Services
See our post-installation services including two-week consumption monitoring, direct WhatsApp channels and workmanship warranties.
Backup Box installations
Find out how Marblanc Solar’s backup box installations across Spain’s Costa del Sol and Costa Blanca help you switch to your solar energy during a powercut.
Virtual Battery Switchover
Find out how Marblanc Solar’s virtual battery switchover services across Spain’s Costa del Sol and Costa Blanca help you maximise your savings by selling to the grid.
EV Charger installations
Find out how Marblanc Solar’s EV charger installations across Spain’s Costa del Sol and Costa Blanca help you charge your car for free on solar energy.
Calculate Your Solar Payback Period with Spain’s First Interactive Calculator
Curious how much you could save with solar?
Our interactive Solar Payback Calculator provides a precise estimate in just 2-3 minutes. Design your system directly on a satellite map of your actual roof to discover your potential payback period and 10-year savings forecast – all tailored to the unique climate of the Costa del Sol and Costa Blanca.
Forget generic estimates. Our interactive calculator uses:
- The actual available space on your roof
- Specific pitch, tilt, and peak solar hours for your area
- Savings forecast based on ata from over 2,000 recent proposals.
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What to expect when you get a free solar survey from Marblanc Solar
Marblanc Solar offers all interested clients a Free Solar Survey.
Once we receive your details, a qualified survey engineer from our team will arrange a home visit at a convenient time. You’ll then get a second visit where we present two custom proposals and answer all your questions.
1
Free solar survey
Our free solar survey includes: drone inspection, 3D performance model, two custom proposals, and a break-even estimation for each.
2
Presentation
After creating two proposals, a qualified electrician presents each of them, answers any questions, and continues to make adjustments based on your ideal performance, costs, and savings.
3
Installation
Our in-house team obtains the relevant licenses and sets a date to install the equipment to the highest standard in 1-3 days.
4
Post-Installation Support
We provide free servicing for the first three years, and keep a direct WhatsApp channel available Monday–Sunday for any questions.
