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Denmark's energy infrastructure is controlled by a centralized authority known as Energinet. Energinet makes a lot of rules and regulations, and I recently ran into a problem with rooftop solar installation regulations. The below diagram from Energinet shows a recommended installation configuration for rooftop solar of size < 50kW peak: Energinet recommended configuration for self... Continue Reading →
The ideal direction to maximize the electricity production of a solar panel in Copenhagen is south and 3° degrees east (read more in my previous blog post). Solar panels in the northern hemisphere should get the most sun when facing due south, so now I am wondering what factors cause that 3° difference. I use... Continue Reading →
I want to build a solar park in Copenhagen. I want to maximize my profit and I have already decided to invest in fixed solar panels that can't change angle. I also got a great deal for panel mounts fixed at a 45° tilt. But I am having a hard time choosing which orientation (azimuth)... Continue Reading →
When I moved to Denmark a year ago to work at a renewable energy startup, one of the first things I heard was that the wind blows when the sun doesn't shine in Denmark. This inverse correlation means a mix of solar and wind production could provide consistent electricity throughout the year. At the time... Continue Reading →
Carbon offsets are a great gift for those people who don't want more stuff for the holidays. You can send them an email with a certificate of offset that looks like this: Also if you want them to know more about where the offsets came from you can send them an invoice that looks like... Continue Reading →