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 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 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 six months and then almost eliminated a high expense.
find out more about going solar on 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 and more.
After-Sales Care
Benefit from 25-year workmanship warranties, direct WhatsApp support channel, tariff switchover and 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 on 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.
Solar Panel Installations
Get a proposal for a solar system that will deliver on its promises – starting with a free drone survey, a 3D performance model, and a proposal built on your actual numbers.
Solar Battery Installations
A solar battery system can eliminate your electricity bill entirely – find out what system you need with a professional proposal built around your actual generation and consumption data.
EV Charger Installations
Charge your electric car on sunshine – find out what setup your home needs with a free solar survey and a tailored proposal.
Virtual Battery Switchover
Your solar panels could be earning you credit on the grid instead of wasting excess energy – find out how Marblanc Solar secures the best virtual battery deal for your home
Backup Box installations
A backup box keeps your home running when the grid goes down – discover the exact setup you need with a free solar survey.
Commercial Solar Installations
A commercial solar installation is a significant investment – find out how Marblanc Solar’s free solar survey delivers a trustworthy proposal built on real data, no matter the size of your system or consumption.
Aftersales Care Services
See our post-installation services including two-week consumption monitoring, direct WhatsApp channels and workmanship warranties.
Solar Panel Cleaning Services
Mud-rain, pollen, and dust are quietly costing you money – find out how Marblanc Solar’s professional panel cleaning service keeps your system producing at its best.
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 a couple 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 data 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. We then follow a series of steps to design a high-quality system that delivers on its promises.
1
Book Your Free Solar Survey
A qualified electrician or survey engineer visits your property, conducts a precision drone scan of your roof, checks your intake and analyses your actual electricity usage. There’s also a thorough Q&A process.
2
We Build Your Proposals
Your survey engineer models your roof geometry, shading, orientation and seasonal solar variation using the world’s leading solar design software. We size the system to hit your savings targets, determine the optimal panel layout, and produce a fully itemised proposal.
3
Proposal Presentation
Your survey engineer contacts you within 48 hours for a second site visit to present the proposal. You can ask for instant adjustments on the spot – adding or removing panels, switching equipment or modelling a battery. Everything updates in real time.
4
Decide With Confidence
Take as long as you need. No pushy follow-up, no obligation to proceed. Most clients leave their presentation with two clear options and everything they need to make the right decision – you can keep the drone footage too!
