Data centers didn't stop building. They just stopped asking permission.
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The desks cleared, the headlines moved on, and one line buried in a pipeline filing kept pulling at me. Evening.
Data Centers Are Building Their Own Private Grid.
Ninety gigawatts of power generation. On private land. Off the public grid. Nobody votes on it.
This morning I wrote about McKinsey's finding that 60% of data center operators now plan on-site generation paired with grid access. The morning treated it as a workaround. Tonight I want to tell you what it actually is.
It is a second grid. Being built in private. Mostly on gas.
Cleanview analyzed 59 behind-the-meter data center projects in a report this year. Total announced generation: roughly 90 GW. That is more capacity than every nuclear plant in America combined. Developers announced 57 GW of it in 2025 alone. Another 26 GW came in the first five months of 2026.
S&P Global tracks the pipeline too. Through Q1 2026, their CERA unit counted 130 North American projects planning to build their own power plants. More than 80% of the announced capacity burns natural gas.
Read that gap. Ninety gigawatts on paper. Two gigawatts in reality. The private grid is 98% blueprint and 2% steel. But the steel is coming fast.
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If moratoriums were supposed to slow data centers down, why is the private buildout accelerating?
Because behind-the-meter skips the line. No grid interconnection queue. No utility approval. No public hearing. A developer buys land, runs a gas pipe, bolts down generators, and plugs in the servers. The local grid never knows.
The deals are already signed. On October 1, Enerflex announced a contract to build 450 MW of gas-fired generation for an unnamed data center developer. In July, Joule unveiled a 1.3 GW campus in Utah that will run fully islanded from the local grid. In Texas, a developer called Hedgehog signed a fuel supply deal with Japanese energy giant Idemitsu to feed a 600 MW campus by end of 2027. Last month, Woodway announced a 22-mile dedicated pipeline for a single hyperscale project.
"Don't think of us as just a behind-the-meter solution provider."
Williams is right. This is not a workaround. It is a structural shift. Pipeline companies are becoming power companies. Data center developers are becoming utilities. And the public grid that was supposed to serve everyone is being bypassed by the customers big enough to build their own.
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The gas demand: Enbridge alone is fielding 50+ data center deals totaling up to 10 billion cubic feet per day. That would more than double the gas the entire power sector burns today. |
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The pipeline race: TC Energy approved a $1.5 billion expansion of its Columbia Gas system to serve new data center generation. Williams is building a dedicated line to Meta's Utah campus. |
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The blind spot: Behind-the-meter generation sits outside most state utility regulation. No rate case. No public comment. No emissions reporting in most jurisdictions. The fastest-growing power fleet in the country has the least oversight. |
The moratorium wave pushed data centers off the public grid. It didn't stop them. It just moved the buildout to private land where the rules are thinner. Every town that voted no made the private grid a little more inevitable.
The public grid is losing its biggest customers. The private grid doesn't answer to anyone.
Every megawatt that moves behind the meter is one the rest of us pay more to replace.
— Theodore
The Capital Current ⚡
Every financial story has a power line running through it.
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