Solar & Photovoltaics
Bidirectional wallbox – V2H and V2G explained simply
Your electric car can do more than just consume electricity. With the right technology, it can also feed energy back into your home or even the grid...
Wallbox surplus charging – how to use PV power for your electric car
Those who own solar panels often feed excess electricity into the grid for just a few cents. However, this energy could be used much more effectively...
Wallbox with residual current device (RCD) – correctly protecting type A or type B
When connecting an electric car charging station, the residual current device (RCD) determines safety and costs. Which circuit breaker is most suitable...?
Making good use of excess PV power – 6 options compared
Every photovoltaic system produces more electricity on sunny days than the household directly consumes. The crucial question is what to do with this surplus...
How many kWh are needed for hot water per person? Energy consumption & cost calculator
Hot water preparation is an underestimated item on your energy bill, accounting for between 10 and 20 percent in German households...
Selecting the correct hot water storage tank with heating element for PV
Choosing the right storage tank determines how efficiently your solar thermal system provides hot water. Not every unit in the basement is suitable...
Heating element on a balcony power plant for hot water using solar power
Using solar power for hot water sounds like a good idea. But especially with smaller systems, the question arises whether the performance...
Use excess PV power with a heating element instead of feeding it into the grid.
Those who operate a photovoltaic system often feed more electricity into the grid than needed on sunny days. With the right technology, this can be reduced...
Why a solar system for pond and pool pumps is really worthwhile
Why a solar system for your pond and pool pump is really worthwhile: If you have larger pools and ponds in your garden...
Mini PV system: Is it worth it for my balcony?
Mini PV system: Is it worth it for my balcony? Not every tenant or homeowner has the capacity to install a solar system on their balcony...
