What Is So Hard About Behind-The-Meter Power for Datacenters Part 1
What Is So Hard About Behind-The-Meter Power for Datacenters Part 1
SemiAnalysis, September 10, 2026, by Ellie Holbrook, Robert Boswall, Jeremie Eliahou Ontiveros, Nicolas Bontigui, and Dylan Patel. Subtitle: “Dumb Science Experiments vs. Money Printing Machines.”
The scale of the market
The numbers are staggering even for a sector accustomed to large figures:
- 75 GW of firm binding orders for BTM power currently tracked by SemiAnalysis
- ~20 GW ordered in Q2 2026 alone
- 22 OEM manufacturers now carrying multi-hundred-MW orders
The economics that are driving it
The key insight is the inference economics at scale:
Inference API revenue can yield $100 billion per GW per year at 90%+ gross margins.
At those unit economics, paying $1–3B to build a gigawatt of dedicated power infrastructure is easily justified. The hyperscalers and AI labs are not waiting for utility interconnection queues that run 5–8 years — they are building their own generation assets that connect directly to the datacenter load (“behind the meter”) and bypass the grid entirely.
Specific deals
- Microsoft — 5 GW commitment (BTM/dedicated generation across multiple sites)
- Google — 930 MW of aeroderivative gas turbines (airline-engine-derived, fast-start turbines) + 900 MW Bloom Energy fuel cells
- Anthropic + Meta — partnering with Enchanted Rock for BTM microgrid solutions
- OpenAI — 1.4 GW campus in Shackelford County, TX
What makes BTM hard
The piece is Part 1 of what will presumably be a multi-part series. The structural challenges include:
- Interconnection is bypassed but not eliminated — BTM power still requires gas pipeline capacity, permits, land, cooling, and distribution within the campus.
- Aeroderivative turbines (the fast-start gas turbines used by Google and others) have long lead times from a limited supplier base; GE Aerospace and Siemens Energy are dominant, and they are sold out.
- Fuel cell deployments (like Bloom Energy’s 900 MW with Google) depend on H₂ or NG supply infrastructure.
- OEM manufacturing capacity — 22 manufacturers with multi-hundred-MW orders means the supply chain is stretched.