Chris Stokel-Walker

Helion Energy’s Polaris hits 150M°C and measurable D–T fusion as company pushes for 50 MW Orion plant to power Microsoft by 2028

Helion Energy plans a 50-megawatt Orion fusion plant to supply Microsoft and aims for commercial operation by 2028 after its Polaris prototype hit a 150 million °C record and achieved measurable deuterium-tritium fusion.