NZEB Energy Rating

Tilos: the first energy autonomous island in the Mediterranean

In the summer of 2017, the island of Tilos became known through two awards it won at the EU Sustainable Energy Awards. The island won the first prize in the category for the Green Islands but also in the category for the audience award for the TILOS project. Launched in 2015, TILOS aims at theContinue reading “Tilos: the first energy autonomous island in the Mediterranean”

Storing energy

Converting energy into easily stored fuels is a good solution: Water electrolysis and hydrogen production, potentially as intermediate storage (conversion utilisation rate of up to 63%) Conversion into synthetic methane (3 H2 + CO2 → CH4 + 2 H2O), also called P2G (conversion efficiency rate of up to 57%). The methane is stored in subsoilContinue reading “Storing energy”

nZEB buildings in Europe

The EPBD requires all new buildings from 2021 (public buildings from 2019) to be nearly zero-energy buildings (NZEB). According to Article 2 “nearly zero-energy building” means a building that has a very high energy performance, as determined in accordance with Annex I. The nearly zero or very low amount of energy required should be coveredContinue reading “nZEB buildings in Europe”