Everyone is talking (again!) about a coming revival in nuclear power. What needs to change to make it happen? | More from New York Climate Week

At Climate Week NYC continues, the hottest topic is the question of how to meet growing demand for electricity while cutting emissions. In New York State, electricity use is expected to increase by 25% over the next 15 years. To meet that demand, the state plans to add tens of gigawatts or renewables. But that is not enough. It also wants more “dispatchable, emissions-free” power to keep the grid stable, and that includes new nuclear reactors.

Back in June, Governor Kathy Hochul asked the New York Power Authority to move ahead with at least 1 gigawatt of new nuclear generation. And the New York State Energy Research and Development Authority (NYSERDA) is exploring what it needs to do to make that happen. Doreen Harris is President and CEO, and she explains to host Ed Crooks that nuclear is a central pillar of an emissions-free power mix.

She says New York’s plan isn’t about bringing back old reactors like the ones at the Indian Point nuclear plant, controversially closed in 2021. The state wants new designs that are safer, modular, and more efficient. NYSERDA is leading a “Master Plan for Responsible Advanced Nuclear Development”, expected to be published by end of 2026, to explore technologies ranging from large reactors to small modular and micro reactors. Ed and Doreen discuss the plan, and the barriers and opportunities for nuclear in the US.

Support from federal, state and local governments is going to be essential to make new nuclear construction a reality. But backing from the private sector will also be essential. Nick Campanella is a Senior Equity Research Analyst at Barclays investment bank. He says new nuclear investment will move forward only if three pieces line up: clear policy support, customers willing to buy the power, and an EPC ready to build the plant.

Nick and Ed discuss the cost overruns and delays that have plagued nuclear projects in the West. Hyperscalers might be able to get costs down by committing to multiple reactor builds at once. The ‘first-of-a-kind’ project is always risky. The ‘nth-of-a-kind’ developments that benefit from the lessons learned on previous projects should be more predictable, and less costly. Nick believes it is quite possible that a final investment decision to build at least one new nuclear plant in the US is very possible before the end of 2026. If that happens, the first project to go ahead could be for large plants, not small or micro reactors. The US grid doesn’t need tens of megawatts; it needs thousands.

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