renewable energies

Vanadium redox flow, new battery type on the market!

Makes electric independence more affordable and eco-friendlier than led and lithium. The European Union funded scientific work on Redox flow

What happens, when the sun shines, the wind blows and my battery is full? In Germany the Grid provider doesn’t

How to run your server on SunPower? Since January my Homepage runs off grid on solar. I spend approximately 400