Camellia Studios LLC

Helion raises $425M Series F at $15.5B valuation to build 50 MW Orion fusion plant for Microsoft targeting 2028

Helion Energy closed a $425 million Series F at a $15.5 billion valuation to fund its 50 MW Orion fusion plant aimed to supply Microsoft by 2028, and has demonstrated >100 million °C plasma in its Polaris prototype while obtaining state radioactive-materials licenses.