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Voltmax Energy Solutions in Luxembourg

Individual customer

A house powered by the sun

Solutions for the individual client

Optimize Your Home’s Energy with Solar Panels – A Smart and Sustainable Choice

Harnessing solar energy with high-efficiency solar panels is one of the best ways to generate clean, renewable electricity for your home. A professionally installed photovoltaic system allows homeowners to reduce their dependence on traditional utility providers while maximizing energy savings. By switching to solar power, you not only lower electricity costs but also contribute to a sustainable energy future.

Invest in a solar installation today and take advantage of energy efficiency, lower utility bills, and long-term energy independence.

photovoltaic icon for home

Do you know that Photovoltaics is...

Up to 100% lower CO2 emissions

Switching to solar power can reduce your carbon footprint by up to 100%, eliminating reliance on fossil fuels. A photovoltaic system generates clean, renewable energy, significantly cutting CO₂ emissions while powering your home efficiently. By installing solar panels, you contribute to a sustainable future, reducing environmental impact and promoting green energy solutions.

Photovoltaics for the home

Why exactly solar energy?

Benefits for the world?

Lower CO₂ Emissions

Solar power is a clean energy source that significantly reduces greenhouse gas emissions. Unlike fossil fuels, which release harmful CO₂ into the atmosphere, solar energy produces zero emissions, helping to slow climate change. By adopting solar electricity, we contribute to a cleaner environment, reducing air pollution and improving public health worldwide.

green energy icon

Sustainable & Renewable

The sun provides an infinite energy source, making solar power one of the most sustainable solutions available. Unlike coal, oil, or natural gas, which are finite and depleting, solar installations ensure long-term energy security. By investing in photovoltaic technology, we reduce dependence on non-renewable resources and support the global shift toward 100% renewable energy.

Benefits for you

Lower Energy Bills

Generating solar electricity means you rely less on expensive utility providers, significantly reducing your monthly energy costs. With a well-designed solar power system, homeowners can produce their own renewable electricity, achieving substantial energy savings over time. Many solar users even generate surplus power that can be sold back to the grid, further maximizing their return on investment.

Energy Independence & Property Value Boost

A solar energy system provides long-term energy independence, protecting homeowners from rising electricity prices and market fluctuations. Additionally, homes equipped with solar panels are more attractive to buyers, increasing property value. As energy efficiency becomes a top priority, investing in solar power makes your home more desirable and future-proof.

Comprehensive installation offer

Voltmax helps you achieve independence from electricity suppliers quickly

Consulting

We will carry out an energy audit and advise optimal solutions for your home.

Minimum formalities

We help at every stage of formalities, limiting your involvement and time to a minimum.

Savings immediately

In a very short time, you start to feel the benefits of saving on high electricity bills.

Financing

Our specialists will help you obtain convenient installment financing on very favorable terms.

One-day assembly

Most of the assemblies are made in just one day, so you don’t have to worry about the constant visits of the assembly teams.

Up to 15 years of warranty

Most of the proposed solutions have a 15-year guarantee for solar energy consumption.

Get funding with Voltmax

Comprehensive installation offer

We help to obtain financing and recover income tax

At Voltmax, we understand that investing in solar power solutions is a big decision, and we are here to help you maximize your savings. Many regions offer government incentives, subsidies, and tax benefits to encourage the transition to renewable energy. These financial support programs make solar panel installations more accessible and cost-effective for homeowners and businesses.

✅ Solar Subsidies – Depending on your location, you may qualify for direct subsidies that can significantly reduce the upfront cost of your photovoltaic installation. These grants are designed to support the adoption of clean energy and lower the financial burden of switching to solar power.

✅ Tax Deductions & Rebates – In many cases, solar system owners can benefit from income tax reductions, tax credits, or VAT reductions on their solar energy investment. These incentives allow you to recover a portion of your expenses while increasing your long-term energy savings.

✅ Low-Interest Financing – Some programs also offer special financing options with low or zero-interest loans, making it even easier to invest in energy-efficient solar solutions.

Our team at Voltmax, an experienced photovoltaic installer, helps you navigate the application process, ensuring you take full advantage of all available solar energy subsidies and financial incentives. Let us assist you in reducing your investment costs and maximizing the financial benefits of your solar installation. With expert guidance from our photovoltaic installers, you can seamlessly transition to renewable energy while optimizing your savings.

Photovoltaic panels od roof

☀️ What is Solar Energy?

Solar energy is a clean, renewable power source derived from the sun’s radiation. Every day, the sun emits vast amounts of energy that can be harnessed to generate electricity or heat. Unlike fossil fuels, which deplete over time and contribute to environmental pollution, solar power is sustainable, abundant, and 100% emission-free.

By installing a solar energy system, homeowners and businesses can convert sunlight into usable electricity, reducing dependence on traditional power grids while lowering energy bills. With advancing solar technology, harnessing the sun’s energy has become more efficient, affordable, and accessible than ever before.

🔋 How Does a Solar Power System Work?

A solar photovoltaic (PV) system works by capturing solar energy and transforming it into electricity. A standard installation consists of several key components that work together to provide clean energy to your home or business:

1️⃣ Solar Panels (Photovoltaic Panels) – These are the heart of the system. Solar panels are made of photovoltaic cells that absorb sunlight and convert it into direct current (DC) electricity. The efficiency of the panels depends on their material, positioning, and exposure to sunlight.

2️⃣ Solar Inverter – Since most household appliances use alternating current (AC) electricity, the inverter converts the DC electricity produced by the solar panels into AC electricity, making it usable for homes and businesses.

3️⃣ Power Optimizers (Optional) – These devices maximize the performance of solar panels by individually optimizing each panel’s output. In a standard system, if one panel is shaded or underperforming, it can reduce the efficiency of the entire array. Power optimizers prevent this by ensuring each panel operates at its highest potential, improving overall system performance.

4️⃣ Battery Storage (Optional) – If you want to store excess solar electricity for later use (such as during nighttime or power outages), a solar battery storage system allows you to achieve greater energy independence. This is especially beneficial for off-grid solar systems.

5️⃣ Grid Connection (for On-Grid Systems) – In grid-tied solar power systems, excess energy produced during the day can be sent back to the grid. Many homeowners receive credits or compensation for surplus electricity, further reducing their overall energy costs.

6️⃣ Monitoring System – Modern solar power systems feature smart monitoring solutions, allowing you to track solar energy production, energy consumption, and overall system performance in real-time via apps or smart meters.

🔋 Advantages of SolarEdge with Power Optimizers vs. a Standard System

Maximum Energy Production – In a traditional solar system, the weakest panel (due to shading, dirt, or degradation) limits the output of the entire array. With SolarEdge power optimizers, each panel operates independently, maximizing the energy yield of the system.

Superior Performance in Shaded Conditions – Unlike standard string inverter systems, where partial shading significantly reduces overall production, SolarEdge optimizers ensure that each panel works at its best. This means higher energy generation even when some panels are shaded.

Enhanced System Monitoring – A standard inverter only provides basic system-wide performance data. SolarEdge offers real-time monitoring at the panel level, allowing you to track each panel’s performance and quickly identify any issues.

Longer System Lifespan – With distributed power optimization, SolarEdge components reduce stress on the inverter, extending its operational life compared to traditional systems.

Safer Installation & Operation – SolarEdge’s SafeDC™ technology ensures automatic voltage reduction in case of maintenance or emergency, significantly improving safety compared to conventional inverters.

Flexible System Design – Traditional string inverter systems require all panels to be installed at similar angles and orientations. SolarEdge optimizers allow panels to be installed in different directions, making the system more adaptable to complex roof layouts.

Easier System Expansion – With a conventional system, adding extra panels later can be complicated. With SolarEdge, expanding your system is simple, as new panels do not need to match the exact voltage of existing ones.

Higher Return on Investment (ROI) – Thanks to optimized energy production, advanced monitoring, and longer system durability, SolarEdge systems offer a faster payback period and higher long-term savings compared to traditional solar setups.


SolarEdge

The SolarEdge inverter is a highly efficient and intelligent power conversion device that works in conjunction with power optimizers to maximize solar energy production. Unlike traditional string inverters, SolarEdge’s solution ensures each panel operates independently, preventing performance drops due to shading or dirt on a single module. It also enables panel-level monitoring, ensuring higher energy yields and long-term reliability.

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The Benefits of SolarEdge Battery Storage

Pairing a SolarEdge inverter and optimizers with a SolarEdge battery enhances energy independence and backup capabilities:

✅ Maximize Solar Energy Usage – Instead of sending excess energy to the grid, store surplus solar electricity and use it when needed (e.g., at night or during peak rates).

✅ Energy Independence & Grid Resilience – A SolarEdge battery system allows you to use stored solar power during blackouts or grid failures, ensuring an uninterrupted power supply.

✅ Smart Energy Management – The SolarEdge Home Battery integrates with smart home devices, optimizing self-consumption and allowing for intelligent energy scheduling.

✅ Increased Savings – Reduce your reliance on grid electricity during peak tariff hours by using stored energy instead, lowering overall energy costs.


Why Choose a SolarEdge System?

A SolarEdge photovoltaic system provides:
✔️ Higher energy efficiency – Each panel operates at its maximum potential.
✔️ Advanced safety features – Built-in voltage protection ensures safer operation.
✔️ Complete system monitoring – Track energy generation and consumption in real time.
✔️ Long-term reliability – Durable components with extended warranties.
✔️ Greater flexibility in system design – Ideal for roofs with different orientations.
✔️ Optimized for battery storage – Store energy for later use and improve energy independence.

🔆 Invest in the future of solar power with SolarEdge and enjoy greater efficiency, reliability, and savings! Contact us today to learn how a SolarEdge system can optimize your home or business.

Comprehensive installation offer

How does a photovoltaic installation work?

how does photovoltaics work
  • The sun’s rays reach the photovoltaic panels
  • Solar energy is converted into direct current
  • Direct current reaches the controller
  • The controller transfers the electricity to the energy storage (option)
  • Direct current reaches the inverter
  • The inverter converts direct current into alternating current
  • The alternating current reaches the electrical box
  • The electric box supplies power to the devices in your home

Our panels

Proposed panel categories

Classic photovoltaic panel

Classic cells

» The top layer absorbs light with the electrode
» The plates are made of crystalline silicon
» Metallized bottom layer
» They absorb light on one side

Bifacial photovoltaic panel

Bifacial cells

» double-sided photovoltaic panels
» higher yield than mono-facial
» Higher energy yields

halfcut photovoltaic panel

Half cut cells

» Cut cells more resistant to the “hot spot” effect
» Better performance with partial shading

full black photovoltaic panel

Fully black Half cut cells

» Fully black links
» Black frame
» The other elements are black
» Modern design

Panels aren't everything

Inverters and optimizers

Inwerter solaredge

Inverters Solaredge

» Intelligent photovoltaic management system
» Preview of work from each installation module
» Extensive energy management system
» Expandable with additional modules
» 25-year warranty on power optimizers
» 12-year warranty for inverters
» max. 25-year warranty
» simple and modern look

Huawei Inwerter

Inverters Huawei

» Built-in surge arresters
» 12-year warranty
» Production preview application
» space for power optimizers
» reading the work of individual panels

Inverters SMA Sunny Tripower

Inverters SMA Sunny Tripower

SUNNY TRIPOWER 5.0 / 6.0 / 8.0 / 10.0 SMART ENERGY HYBRID

» Three-phase / DC-coupled
» Integrated battery-backup function
» Compatible with high-voltage batteries from leading manufacturers
» Full-scale professional support for solar power professionals
» Automated service thanks to SMA Smart Connected
» Warranty extension from 5 to 10 years – free of charge

Inverter Fronius​

Inverters Fronius

» display
» minimum 12-year warranty
» max. even up to 20 years of warranty
» reliable and proven manufacturer
» dedicated application
» optimization of energy consumption

Inverter Sofar​

Inverters Sofar

» Display with readout of production
» 10-year warranty
» simple and reliable structure

Deye Inverter

Inverters Deye

» 100% unbalanced power, each phase; max. output power up to 50% of rated power
» DC and AC connection possible to upgrade existing solar system
» Max. 16 pcs parallel for on-grid and off-grid operation; support for multiple batteries in parallel
» Max. charge/discharge current 240A
» 48V low voltage battery, transformer isolation
» 6 battery charge/discharge periods
» Possibility to store energy from diesel generator

Possibilities of expanding infrastructure

Use solar energy to the maximum

Energy storage

Energy storage

As industry leaders, we offer an extended photovoltaic offer. Equip your company with scalable energy storage and secure business continuity during unplanned mishaps.

heat pumps

Heat pumps

Take your company to the next level of development. Equip your company with heat pumps and make the most of solar energy.

heating icon
electric car charger

Carports

Do you want your company to become smart? By investing in a company fleet powered by electricity, you can also create a charging infrastructure for it. This solution will provide you with significant savings.

Solar Energy FAQs – Everything You Need to Know About Photovoltaics

Photovoltaic energy is a renewable energy source that converts sunlight into electricity using solar panels. Solar panels contain photovoltaic cells that capture sunlight and generate direct current (DC) electricity. An inverter then converts this DC electricity into alternating current (AC), which powers your home or business.

The amount of electricity generated depends on panel efficiency, sunlight exposure, and geographic location. On average, a 1 kWp (kilowatt-peak) photovoltaic system in Poland can generate between 900 and 1,000 kWh annually.

A solar energy audit is an assessment of your property to determine the best solar panel installation based on your energy needs, roof orientation, shading, and available space. It ensures the system is tailored to your specific energy consumption patterns.

kWp (kilowatt-peak) refers to the maximum power output of a solar panel under optimal conditions, including direct sunlight, proper tilt angle, and ideal temperature.

kWh (kilowatt-hour) is a unit of energy measurement representing the electricity consumption of 1,000 watts over one hour. It is used by energy providers to calculate electricity usage and billing.

Yes. Installing solar panels can significantly reduce electricity bills and provide long-term savings. The return on investment (ROI) typically ranges from 5 to 10 years, depending on factors such as energy prices, system size, and available incentives.

Yes. Excess energy can be stored in battery storage systems or fed back into the electrical grid. Grid-connected systems can retrieve stored energy when needed, while off-grid systems require batteries for energy storage.

To determine the right system size, review your annual electricity consumption (found on your utility bills). A consultation with a solar provider can help you choose a system that matches your energy needs and budget.

  • On-grid systems: Connected to the electrical grid, allowing excess energy to be fed into the network.

  • Off-grid systems: Independent systems with battery storage, ideal for remote locations.

  • Hybrid systems: Combine on-grid and off-grid functionality for enhanced energy reliability.

Yes. Solar panels work in winter and cloudy weather, although efficiency is lower compared to sunny conditions. Snow accumulation may reduce energy production, but panels are designed to shed snow naturally.

Solar panels require minimal maintenance. Regular cleaning and periodic inspections ensure optimal efficiency. Professional maintenance checks help detect potential issues like shading, debris, or wiring faults.

Yes. Solar panels can be installed on various roofing materials, including metal, tile, and asphalt shingles. Ground-mounted systems are an alternative if roof installation is not feasible.

Yes, but you need approval from the property management or homeowners’ association. Shared solar systems or community solar programs may also be an option.

Yes. In Luxembourg, there are various financial incentives for installing solar panels, including tax deductions, subsidies, and feed-in tariffs. Homeowners and businesses may benefit from government programs supporting the transition to renewable energy. It is advisable to consult with a tax expert or relevant authorities for the most up-to-date information on eligibility and application procedures.

A solar inverter (or power inverter) converts the direct current (DC) generated by solar panels into alternating current (AC), which powers electrical appliances. It is a crucial component of any solar installation.

A traditional inverter converts energy from multiple solar panels at once, while microinverters are installed on each panel, improving efficiency, especially in shaded conditions or multi-directional panel installations.

Yes. In Luxembourg, surplus electricity generated by photovoltaic systems can be sold back to the grid through a feed-in tariff program. The compensation rates and conditions depend on government regulations and your energy provider. It is recommended to check with local authorities or energy suppliers for the latest details on feed-in tariffs and grid integration policies.

High-quality solar panels typically last 25 to 30 years, with a gradual efficiency decline of around 0.5% per year. Most manufacturers offer warranties covering performance over this period.

Most modern solar inverters come with monitoring apps or software that allow real-time tracking of energy production, consumption, and system efficiency.

Yes. Solar energy can be used to charge EVs with dedicated home EV chargers. The size of the photovoltaic system should match the vehicle’s annual energy consumption for maximum efficiency.

Yes. If your inverter supports additional capacity, you can add more solar panels later. Planning for future expansion during the initial installation can help minimize upgrade costs.

Yes. Ground-mounted solar systems are ideal when roof space is insufficient or unsuitable. They offer better tilt angle adjustment and easy maintenance access.

Excess energy can be stored in batteries, exported to the grid (for grid-tied systems), or utilized for additional energy needs like heating or electric vehicle charging.

Solar panels are designed to withstand harsh weather conditions, including heavy rain, snow, and strong winds. However, severe hailstorms or tornadoes may cause damage, so additional protective measures can be considered.

Yes. Many financial institutions offer loans and leasing options for solar installations, allowing homeowners to invest in solar energy with little or no upfront cost.

For more comprehensive details and information about photovoltaic installations, please do not hesitate to contact Voltmax for expert assistance.

Check out some of our completed projects >>

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