FAQS

Your solar questions answered

At Solarey Energía, we understand that transitioning to solar energy is a big step. That’s why we’ve compiled answers to the most common questions about our services, installations, and the benefits of solar energy. Whether you're curious about costs, maintenance, or government incentives, our FAQ section has everything you need to make an informed decision. Explore below and start your journey to a greener, more sustainable future!

Domestic

A solar PV installation involves placing photovoltaic panels on rooftops or in open spaces to capture sunlight. The panels convert sunlight into electricity, which can be used to power your home or business. An inverter is  used to convert the direct current (DC) generated by the panels into usable alternating current (AC).

The efficiency of a solar PV system is influenced by factors such as the location’s sunlight exposure, panel orientation and tilt, shading issues, and the quality of the solar panels and inverters used. Proper installation and regular maintenance also play crucial roles in ensuring optimal efficiency.

The duration of a solar PV installation varies depending on the size and complexity of the system. On average, residential installations will take between 5 – 8 working days, with only about 30mins disruption to your electricity supply for final connections. Factors like weather conditions and permitting processes can also impact the timeline.

Many regions offer financial incentives to encourage solar adoption, such as tax credits, rebates, and feed-in tariffs. Additionally, utility companies offer net metering, allowing you to sell excess electricity back to the grid. These incentives can significantly offset the initial costs of installing a solar PV system.

The capacity of a solar PV system to meet all your electricity needs depends on factors like system size, energy consumption, and sunlight availability. While it may not eliminate the need for grid electricity entirely, a well-designed system can substantially reduce your reliance on traditional power sources, leading to significant cost savings and environmental benefits.

Solar PV systems generally have low maintenance requirements. Periodic cleaning of the panels to remove dust and debris is advisable. Regular checks on the system’s components, like inverters and wiring, can ensure optimal performance. Professional inspections every few years can address any potential issues.

Solar panels can still generate electricity on cloudy days, although at a reduced efficiency compared to sunny days. Modern solar technologies are designed to capture diffuse sunlight, so your system will continue to produce power even during less-than-ideal weather conditions. However, prolonged periods of heavy cloud cover may temporarily affect overall output.

Excess energy generated by your solar PV system can be fed back into the grid in a process known as net metering. Energy suppliers will offer you credits or compensation for the surplus electricity your system contributes, further reducing your overall energy costs.

Yes, many solar PV systems can be equipped with battery storage solutions. These batteries store excess energy generated during the day for use during periods of low sunlight or at night. This enhances your system’s ability to provide a consistent and reliable power supply, offering greater energy independence.

Commercial

A commercial solar PV (photovoltaic) system is a solar energy setup designed to generate electricity for businesses, organizations, or commercial properties. These systems are typically larger than residential installations and are tailored to meet higher energy demands.

nstalling a commercial solar PV system lowers energy costs by generating your own power, offers tax incentives and grants, supports sustainability by reducing your carbon footprint, provides energy independence from grid price fluctuations, and increases property value.

The cost of a commercial solar PV system depends on factors like system size, panel and inverter quality, installation complexity, and available incentives. Prices typically range from 40,000€ to several hundred thousand, but financing options like PPAs or leases can help reduce upfront costs.

The ROI for a commercial solar installation depends on installation costs, energy savings, incentives, and regional energy prices. Most businesses achieve payback within 4–6 years, followed by substantial long-term savings.

Yes, businesses can finance a commercial solar PV system through options like Power Purchase Agreements (PPAs) with no upfront costs, leasing with fixed monthly fees, business loans, or self-funding for maximum long-term savings.

Yes, grants are often available for commercial solar installations, with subsidies typically covering around 30–40% of the total investment, depending on location and eligibility criteria.

Incentives for commercial solar installations include tax credits covering a portion of installation costs, accelerated depreciation to reduce taxable income, and state or local rebates, grants, or feed-in tariffs. Additionally, net metering allows businesses to earn credits for excess energy sent to the grid.

The space needed for a commercial solar installation depends on system size and energy needs. Rooftop systems typically require around 4m² per 1 kW of panels, while ground-mounted systems need more space but support larger capacities. A professional assessment can provide precise requirements.

Whether solar power meets all your business’s energy needs depends on your energy consumption, the size and efficiency of the system, and local sunlight availability. While solar can offset a large portion of your energy use, some grid power may still be needed.

Small to Medium Systems: 1–3 months from initial consultation to final installation.
Large Systems: Can take 4–6 months, including permitting, design, and installation.
The timeline varies based on project size, permitting processes, and complexity.

Commercial solar systems require minimal maintenance, including periodic cleaning of panels, inspecting inverters and wiring, and monitoring performance via software. Most systems come with warranties, and SolaRey offers maintenance plans for added support.

Yes, many solar PV systems can be equipped with battery storage solutions. These batteries store excess energy generated during the day for use during periods of low sunlight or at night. This enhances your system’s ability to provide a consistent and reliable power supply, offering greater energy independence.

Standard grid-tied solar systems shut down during outages for safety. However, systems with battery storage or a backup generator can continue to supply power during these times.

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