Emilio Gamaza

Solar Panels During a Power Cut

Add Battery to Existing Solar System

Yes, you can add a battery to an existing solar system. But you'll often need a new inverter, new cabling and more paperwork.

Are Solar Panels Worth It for a Business in Spain?

Most of the commercial systems we install in Spain pay for themselves in four to five years. But only for a business that runs during daylight. After that, the electricity is effectively free for the two decades our workmanship warranty still covers.

Marblanc Solar Aftersales Care Study

Solar is sold as a "25-year investment" but we discovered the median guarantee on the installation work itself is just two years among Spain's best-known solar companies.

Winner Announced: New Mother Wins Marblanc Solar’s €25,500 Free Solar System

Ticket 273 belonged to Coline, a homeowner in Guaro who took the call hours after leaving the maternity ward.

How Many Solar Panels to Charge an Electric Car?

A 20kW solar system in Spain can charge a typical electric car battery in 4 hours. Here's how to size yours.

How to Clean Solar Panels

Emilio Gamaza of Marblanc Solar explains how to clean solar panels safely – including what calima dust and pine pollen do to your system, and why the wrong products can void your warranty.

What’s the ROI for Solar Panels?

Six real Marblanc Solar case studies help explain the ROI on solar panels – and what drives the difference between them.

Running AC on Solar Power

Can solar panels power your AC in Spain? Discover how much solar you need, whether you need a battery, and how to cut your electricity bill to zero.

How Many Solar Panels to Power a House in Spain?

Discover how many solar panels you need to power a house, with a simple DIY calculation and real client examples from homeowners in Spain.

Marblanc Solar Expands to the Costa Blanca

Marblanc Solar has officially arrived on the Costa Blanca! Following our first installation near Valencia, our new Xàbia office is now open, offering five-star solar solutions across the region.

How to Install Solar Panels in Spain

Install solar panels in Spain and learn how to reach a €0 electricity bill with a 10-step guide backed by a real Marblanc Solar case study.

Solar Pool Heating in Spain

We compare four methods to heat your pool with solar, and provide estimates for the monthly electricity bill for each.

How Much Do Solar Panels Save in Spain?

See how much solar panels can save in Spain with 5 real Marblanc Solar case studies.

Solar Incentives in Spain in 2026

Solar incentives in Spain (2026): see IRPF income tax deductions, regional solar grants, and IBI/ICIO council rebates by autonomous community, with deadlines and savings explained.

Case Study: EV Charger on Finance

Discover how homeowner in Mijas, Spain, swapped a €208 electric bill for a solar financing deal, enabling them to charge their electric car "for free".

Marblanc Solar Donates to Costa Christmas Collection

Marblanc Solar Client Saves €9.44 With Virtual Battery

A Marblanc Solar client cut their energy costs to €0 and earned €9.44 credit thanks to their solar installation and virtual battery.

Winner Announced for €20,000 Giveaway

The winning number, 41, belonged to Arkadiusz – a Polish expat and Marblanc Solar client – who was stunned to learn his recent installation would now be completely free.

Marblanc Solar Now Offering Solar Financing

Find out about our new solar financing solutions, offered through our partner Pontio for all Marblanc Solar systems.

Only 3.6% of Homes in Andalusia Have Solar Panels

According to the Andalusian Energy Agency, 3.6% of homes in Andalusia have a solar installation in 2025. It's a total of 171,000 installations from 4.6M homes.

Marblanc Solar Announces €20,000 Giveaway

Marblanc Solar has announced what it calls Spain’s largest solar giveaway, offering one Costa del Sol homeowner a free solar installation worth up to €20,000.

Tax Incentives for Solar Panels in Andalusia

Learn how IRPF, IBI and ICIO reductions can help you recover up to 50% of your solar installation costs in Andalusia.

Battery Installations Grow 88% After Spain Apagón

Spain has seen a record surge in residential solar battery installations following the nationwide blackout, or apagón, on 28 April 2025.

Spain Grid Powered for 9 Hours by Green Electricity

Spain hit a milestone with its first weekday fully powered by renewables. Discover what it means for solar on the Costa del Sol with Marblanc Solar.

Solar Panels Costs in Spain

We break down the itemised costs for installing solar panels in Spain, based on real solar quotes in 2025.

6-Month Break Even on Marbella Installation

How Marblanc Solar achieved an 8-month break even for a homeowner in Marbella – and how to calculate your own payback period with solar.

Most Reliable Solar Inverter In Spain

We compare Sigenergy, Huawei and Deye on price, backup, and how they handle Spain's unstable grid.

Solar Installation Sizing Guide

A 3-step guide to sizing a solar installation that can cut your annual electricity bills by 80% on the Costa del Sol.

Backup Boxes Explained

Find out more about how a backup box can keep the lights on when the grid goes down.

Guide to Installing Solar Panels in Marbella

Find out about system size, installation costs, feed-in tariffs, savings and government incentives in Marbella in 2025.