Let’s talk about how we keep our electric grid stable. It’s a bit like a high-wire balancing act, where electricity production and consumption must always match to maintain the grid’s 50 Hz frequency. Usually, this is done with meticulous planning, but sometimes unexpected events, like a power plant outage or a wrong weather forecast, can throw things off balance. That’s where grid balancing services come in, especially in the EU, where these services are bought and sold on open markets managed by local operators, like Fingrid in Finland. Now, enter the Sand Battery from Polar Night Energy. This innovative device … Continue reading Harnessing Heat for Grid Stability: The Sand Battery’s Unseen Edge