It is the same old problem. The large-scale distribution of renewable energy generation is required to mitigate the impacts of fuel poverty and climate change but these intermittent power sources push the grid to its limits or beyond them. The solution is the same too. We must develop a more flexible power system to account for renewable energy fluctuations and allow for a new style of energy trading to incorporate a broad-scale of distributed electricity sources. “These changes on both the demand and supply side impose new challenges to the management of energy systems, such as the variability and limited controllability of energy supply from renewables or increasing load variations over the day,” states a new report by Annex 67, a collaborative project supported by the Energy in Buildings and Communities program of the International Energy Agency (IEA-EBC). “Consequently, managing the energy transition following the traditional energy system viewpoint would lead to a grid operation […]