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Estimate the potential of your roof: send us your key figures and receive an initial, non-binding assessment of your solar potential.
Request potential analysis
Photovoltaics · Planning, construction & operation
Whether it's a commercial roof, an apartment building, a car park or an open space: we plan, build and operate photovoltaic systems that match your location and your consumption exactly – designed to be cost-effective and supported over the long term.
Our range of services
At EEFA, photovoltaics is not an off-the-shelf product but a toolkit of proven solutions: from the commercial PV system to tenant electricity in apartment buildings, to solar carports and Agri-PV on open land. Get an overview here – or dive straight into the topic that suits you.
Estimate the potential of your roof: send us your key figures and receive an initial, non-binding assessment of your solar potential.
Request potential analysisTailored solar solutions for businesses, agriculture and industry – from load profile to storage to grid connection.
Learn moreSolar power straight from the roof into the apartment: complete solutions for owners of apartment buildings and housing associations.
Learn morePut parking areas to double use: shelter, power generation and charging infrastructure in a single structure – for commerce, retail and municipalities.
Learn moreClean energy and agriculture on the same land: we develop ground-mounted and Agri-PV projects from the initial idea through to commissioning.
Learn moreWhy photovoltaics
Photovoltaics is today one of the cheapest forms of power generation – and it pays off in more ways than one.
Self-generated solar power is usually significantly cheaper than electricity from the grid. Every kilowatt-hour of self-consumption lowers your ongoing energy costs.
Anyone who generates their own electricity becomes less dependent on volatile energy prices – and, with a storage system, on the time of day the sun shines, too.
Solar power produces no emissions during operation. Every PV system displaces fossil generation and makes a measurable contribution to climate protection.
A modern PV system boosts the appeal and value of a property – for owners, tenants and future buyers alike.
How we work
You have one point of contact – we take care of everything else.
We analyse your location, consumption and goals – and show you which solution makes sense technically and economically.
Sizing the system, selecting components, coordinating with grid operators and authorities – including a look at suitable funding options.
Installation and commissioning by experienced specialists – on schedule, safe and in line with the applicable standards.
Monitoring, maintenance and technical support: we accompany your system throughout its entire life cycle.

"Every roof, every car park and every open space can become part of the energy transition – you just have to go about it the right way."EEFA GmbH · Renewable Energy for All
Let's find out together which photovoltaic concept suits you – no obligation and straight to the point.