jaroslava V/Shutterstock Save for later Print Download Share LinkedIn Twitter The US Department of Energy (DOE) estimates that building out 200 gigawatts of new advanced nuclear capacity by 2050 — which it believes might be necessary to meet energy transition goals — would require about $700 billion from private and public sources. Beyond this incredible amount of capital, the DOE's Mar. 21 analysis warns that the US today needs to ramp up the supply chain and workforce required to support an advanced reactor market, and needs to time that ramp-up to near-term demand signals from utilities and developers.