The $420 Billion Compute Heat Rate Merger
What would you pay to own the grid hub where electricity is about to become the most valuable commodity in the world?
NextEra Energy and Dominion Energy announced on May 18 that they have entered into a definitive agreement to combine in an all-stock transaction, creating the world’s largest regulated electric utility with a combined enterprise value of roughly $420 billion.
Every article about this deal describes it the same way: two utilities combining to meet surging AI data center demand. That framing is correct but incomplete; it describes what is happening without explaining why.
The Compute Heat Rate1 explains why.
What NextEra Is Actually Buying
NextEra is the largest US utility by market capitalization at roughly $190 billion. They own Florida Power & Light, the nation’s largest regulated utility, and NextEra Energy Resources, the country’s leading renewable energy developer. They have 73 GW of generation capacity, a partnership with Google on a nuclear restart at the Duane Arnold Energy Center in Iowa, and a consortium with BlackRock, Microsoft, Nvidia, and xAI focused on AI energy infrastructure. The combined company would control approximately 110 GW of generation.
Dominion Energy serves approximately 3.6 million regulated customers across Virginia, North Carolina, and South Carolina. Virginia’s Dominion territory hosts what the industry calls “Data Center Alley,” the single largest concentration of data center infrastructure on the planet. Dominion’s pipeline of contracted data center capacity alone now stands at approximately 51 GW.
Dominion expects peak demand on its system to roughly double by the end of the 2030s. That demand growth is almost entirely data centers. PJM’s 2026 forecast shows the Dominion Zone growing at 5.4% annually over the next decade.
This is not just a normal utility merger; it’s a bet that the geographic location where AI meets the grid is the most valuable asset class in energy.
The CHR Lens
The Compute Heat Rate™ (CHR) measures the maximum electricity price at which an AI data center workload remains profitable. The blended CHR across workload types is approximately $6,350 per MWh, roughly 127 times the natural gas heat rate. Frontier inference workloads can tolerate prices above $49,000 per MWh.
Traditional industrial consumers, the ones who have defined electricity demand economics for a century, curtail at $80 to $160 per MWh.
PJM Dominion has the highest CHR impact of any node I have researched. The empirical evidence is already visible: capacity auction prices went from $28.92/MW-day to $333.44/MW-day across just three auction cycles, hitting the FERC-imposed cap. PJM’s own December 2025 auction results attributed 5,100 MW of 5,250 MW in incremental peak load growth to data centers. In the last three base capacity auctions, data center-related forecasts accounted for $21.3 billion, or 45%, of the $47.2 billion in total cleared capacity costs.
When NextEra looks at Dominion, they are seeing the highest-CHR-impacted node in North America: a grid location where the demand class generates $6,350 in revenue per MWh of electricity consumed, where that demand class is growing faster than anywhere else in the country, and where capacity prices have already repriced by an order of magnitude.
The $420 billion combined enterprise value makes sense when you understand what is on the other end of those wires.
---
Hans Royal is the originator of the Compute Heat Rate™ (CHR) framework. All views are his own and do not represent those of any employer or affiliated organization.
Royal, Hans, The Compute Heat Rate: Quantifying AI-Driven Electricity Price Tolerance and Its Implications for Wholesale Market Repricing (February 28, 2026). Available at SSRN: http://dx.doi.org/10.2139/ssrn.6322318