Et billig materiale kan øke solcelleeffekten med 50 prosent – Tu.no

You would think that the more sunlight that hits a solar panel, the better. When it comes to efficiency though, that’s not the case – as photovoltaic cells heat up their efficiency decreases. To capture that heat and put it to good use, a team of scientists from Brunel University London has created a hybrid…

Heat pump – maximum efficiency with minimum bills. Complete solution for the needs of your home. Up to 70% lower bills for heating, cooling and hot water. Source: Heat pump – heating, cooling and hot water in one

I februar 2010 installerte Max Jakobsen en ny 6 kW husstandsvindmølle på et jorde foran sin 350 kvm store villa i Skamby på Fyn, to timers kjøretur fra København. Les også: Får strømmåleren til å gå baklengs SelvforsyntNå er han nesten selvforsynt med energi. Source: – Jeg sparer minst 24000 kroner i året – Tu.no

This exemption allows you to use waste as fuel to produce heat or power. Source: Waste exemption: U4 burning of waste as a fuel in a small appliance – GOV.UK