Install solar panels at home and save on your electricity bill

The installation of a photovoltaic system is carried out on metal structures fixed to the roof, without damaging the covering. These structures support the solar panels, which are connected in series or parallel to a solar inverter that transforms solar energy into usable electricity.

The process includes:

• Personalized technical study.
• Mounting of structures on the roof (tile, sheet metal, or flat surface).
• Electrical installation, inverter, and protection panel.
• Connection to the home's electrical system or the grid.

The entire process is fast, safe, and certified, usually completed in 1 to 3 business days.

Self-consumption solar energy offers multiple economic and environmental benefits:

• Immediate savings on your electricity bill from day one.
• Energy independence by producing your own electricity.
• Reduction of your carbon footprint by using a clean, renewable source.
• Increase in property value.
• Silent supply, without noise or emissions.
• Access to grants, subsidies, and tax deductions.

Installing solar panels is not only a profitable investment but also a key step towards a more sustainable home.

With a well-sized solar installation, you can save between 40% and 100% on your monthly electricity bill. The level of savings depends on:

• Your energy consumption.
• The roof's orientation and tilt.
• Whether you have batteries or surplus compensation systems.
• Your electricity rate and consumption habits.

The return on investment (ROI) usually occurs within 4 to 7 years, and from then on, the economic benefits multiply.

Want to know how much you could save? Try our solar savings simulator or call 900 811 473.

When you produce more solar energy than you consume, you can:

• Offset surplus by feeding excess energy into the grid and getting discounts on your bill.
• Store energy with physical or virtual battery systems for later use.

At Lumisa we offer options like the virtual battery and surplus compensation, allowing you to maximize the financial return of your solar installation and get your electricity bill close to €0.

Want to optimize your installation? Contact us at 900 811 473 and we’ll advise you with no obligation.

At Lumisa, we offer solar solutions tailored to each household's needs. There are three main types of residential photovoltaic installations:

• Grid-connected installations (self-consumption without batteries): The most common and efficient. The generated energy is consumed directly at home, and any surplus is fed into the grid, allowing you to save through surplus compensation.
• Storage installations (self-consumption with batteries): This system allows you to store the solar energy generated during the day in batteries to use it when you need it most, such as at night or on cloudy days. Ideal for maximizing energy independence.
• Off-grid installations: Designed for homes in areas without access to the electrical grid. They work completely independently thanks to a system of solar panels, batteries, and often a backup generator.

At Lumisa, we analyze your consumption habits, location, and goals to offer you the most efficient, safe, and profitable solar solution. Call 900 811 473 and one of our experts will help you with no commitment.

Solar photovoltaic panels can be installed in a wide variety of spaces as long as they have an adequate surface, good solar orientation (ideally south), and minimal shading. At Lumisa, we carry out technical studies to identify the best possible location.

The most common places to install solar panels are:

• Single-family home roofs: The most common location, allowing for optimized installation for residential self-consumption.
• Apartment building rooftops: Perfect for collective self-consumption installations shared among several owners, in compliance with current regulations.
• Industrial warehouses and commercial buildings: Ideal for large installations that significantly reduce the energy costs of business activity.
• Public or institutional buildings: Make use of underutilized surfaces and improve the energy efficiency of schools, town halls, or hospitals.
• Ground-mounted systems (residential solar farms): When roof installation is not viable, they can be installed at ground level if there is enough space.

In all cases, Lumisa takes care of the technical feasibility study, permit management, and design of an installation adapted to your energy needs and property type. Want a free property assessment? Use our online simulator or call 900 811 473.

Solar self-consumption allows your home to generate its own electricity through photovoltaic solar panels. These capture solar radiation and convert it into electrical energy to cover the daily use of your appliances and electrical systems.

You can improve efficiency by combining the panels with solar batteries, which store excess energy for use at night or on cloudy days.

Reduce your dependence on the grid, save every month, and generate 100% renewable energy. Use our online simulator or call 900 811 473.

The installation of solar panels in single-family homes usually takes between 3 and 7 business days, depending on system size, roof type, and whether batteries are included.

The full process includes:

• Technical study and permits.
• Mounting of structures and solar panels.
• Wiring, inverter connection, and installation legalization.

For a home with average consumption (3,000 – 5,000 kWh/year), you typically need between 10 and 20 solar panels, requiring about 20 to 40 m² of roof space with good orientation.

The exact number of modules will depend on:

• Your monthly electricity consumption.
• The power of the panels (in peak watts).
• The roof’s orientation, tilt, and shading.

Want a personalized calculation? Use our solar simulator or call 900 811 473.

Yes, at Lumisa Energías, S.L. we offer flexible financing for individuals through Banco Bilbao Vizcaya Argentaria, S.A. (BBVA):

• Option 1: Financing up to 132 months (11 years) with a 6.99% nominal interest rate (TIN), no opening fee or additional costs.

• Option 2 (interest-free): Financing up to 48 months, with an initial variable fee depending on the term: 3.5% for 12 months or 10% for 48 months, and a minimum fee of €30.

Want a personalized simulation? Call 900 811 473 and we’ll help you choose the best option.

Solar panels have a lifespan of 25 to 30 years. During this time, they maintain high performance thanks to a staggered production warranty (usually 80-85% efficiency at 25 years).

They also include a manufacturing warranty (usually 10 to 15 years) and components such as inverters or batteries have their own warranties. They require minimal maintenance and offer long-term energy reliability.

For a home self-consumption solar installation, you must comply with:

• Responsible declaration or minor works permit (depending on the municipality).
• Technical report or electrical project.
• Self-consumption Code (CAU) for installations up to 15kW in urban land (no grid connection authorization needed).
• Grid connection authorization for installations with surplus feed-in.

At Lumisa, we take care of all administrative and technical procedures so you don’t have to worry about anything.

Want us to handle your permits? Call 900 811 473.

No, there are currently no specific taxes for having self-consumption solar panels at home.

In addition, you can access tax benefits such as:

• IBI property tax reductions (up to 50% for several years).
• IRPF personal income tax deductions for energy efficiency.

Yes, you can benefit from various public grants and rebates:

• Regional and specific subsidies (main Next Generation EU funds were exhausted in 2023, although there are new €250 million lines for innovative projects).
• IBI property tax reduction up to 50% for 3-5 years (depending on municipality).
• IRPF income tax deduction of 20% to 60% for energy efficiency (valid until December 31, 2025).
• ICIO construction tax reduction up to 95% depending on location.

At Lumisa, we analyze your profile and help you apply for all available aid at no additional cost.

Want to know what aid you can get? See more information on our website or call 900 811 473 and our team will advise you.

Even if you have solar panels and a battery, if your system is grid-connected, it will automatically disconnect during a blackout to protect technicians working on the grid. This is known as anti-islanding protection.

To maintain continuous supply you need:

• Backup system with automatic switching.
• Hybrid inverter with islanding capability.

This way, you’ll still have power even during outages.

Want a solar system with full backup? Call 900 811 473.