➀ The world's total nuclear power capacity stands at 396 GW with 299 GW underway; China is set to become the leader with 176 GW if all planned reactors are completed. ➁ The US plans to add 7 GW, while France, Russia, and India are also expanding their nuclear capacity. ➂ Poland, France, the US, and Iran are among countries planning to build new nuclear plants.