225. US Utilities vs Hyperscalers - Apr26

In episode 219, we analysed the relationship between hyperscalers and US utilities from the hyperscaler perspective. To complete the picture, we revisit the debate from the utility’s point of view. Gerard and Laurent welcome Rajiv Bazaj, VP of Solutions Sales at Constellation, to understand how utilities approach this rapidly evolving landscape. Spun out of Exelon a few years ago, Constellation was initially seen as the “ugly duckling,” but it was sitting on a major advantage: a large nuclear fleet. What was considered a liability in the 2010s has become a strategic asset as hyperscalers search for clean, reliable 24/7 power. The acquisition of Calpine and its large CCGT fleet turned Constellation into the largest US utility in terms of capacity, with around 60 GW (half nuclear, half gas) and roughly 200 TWh of annual generation—placing the company at the centre of discussions with hyperscalers and data centre developers. Constellation’s approach remains cautious. The company is only gradually moving into batteries, is bullish on demand response following the surge in PJM capacity prices and is exploring upgrades to its nuclear fleet while remaining sceptical about. Geothermal. where the Company is active, is attractive but seen as difficult to scale. The overall picture is one of disciplined conservatism. Constellation cannot easily be pushed by aggressive data centre developers because it already has the right generation mix at the right time. Its core objective is simple: maximise fleet load factors and sell MWh at the highest possible price. Gas assets operate in the mid-merit order with strong spark spreads, while nuclear requires higher long-term prices to justify further investment, as illustrated by the Microsoft-supported Three Mile Island restart. With around 90% of its capacity built in the 20th century, Constellation is focused on upgrading and optimising its existing fleet rather than pursuing large-scale expansion. For hyperscalers, understanding this mindset is key when engaging with utilities.

You can listen to 225. US Utilities vs Hyperscalers - Apr26 online on Radio and Podcast. Open the player on this page to stream the available audio.

225. US Utilities vs Hyperscalers - Apr26 is an episode from Redefining Energy by Laurent Segalen and Gerard Reid.

This episode is 33:00 long.

This episode was published on Apr 20, 2026.

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