Cover Story · Chain Reaction desk
The Rent Is $1.8 Million a Megawatt-Year
Former bitcoin miners have announced more than $70 billion of AI leases. Divided by megawatts and term, the market already has a price, and the strongest tenant pays a third less.
The Ecliptic · Issue No. 010 · September 17, 2026
The normalisation
Four landlords, four tenants, one price.
Headline totals mix site size and term. Dividing each disclosed lease by **critical megawatts** and by **initial term** turns a scatter of deals into a rate. Hut 8's Texas lease clears **$1.86M** per MW-year, Applied Digital's CoreWeave lease **$1.83M**, Cipher's Fluidstack lease at Barber Lake **$1.79M** and Core Scientific's AMD lease **$1.76M**.
- Independent negotiations converging inside about 5% is a market price, not coincidence: landlords need a rate that services $15–20M per MW of conversion capex, and tenants need one below the cost of waiting in an interconnection queue.
- Once the rate is fixed, landlords stop competing on price and compete on speed to energization, the disclosure the sector still gives least consistently.
- Two arrangements are left out on purpose: IREN–Microsoft includes 76,000 GPUs and is a compute contract, and Core Scientific–CoreWeave does not disclose critical MW comparably.
The discount
The best tenant pays the least, and credit is bought with equity.
Cipher's direct 15-year, 300 MW lease to AWS works out to **$1.22M** per MW-year, about **32.5%** below the cluster. Where the tenant is not investment grade, the deals have been made financeable by importing someone else's credit.
- Google backstopped $1.4bn of Fluidstack's obligations at Cipher for warrants on roughly 24 million shares, about 5.4% pro forma.
- It backstopped TeraWulf's Fluidstack arrangement for an approximately 8% stake.
- A landlord can have a high rate or a strong tenant, not both. Net of the equity given up, the effective rate sits closer to the AWS rate than the headline suggests.
- "Investment-grade tenant" in these disclosures often describes a backstop rather than the tenant itself: a different credit structure with a different failure mode.
The payback
At the top of 2026 build costs, the cheaper rent does not return the building.
Gross-revenue payback is capex per MW divided by rent per MW-year. It ignores power, staffing, financing and tax, so it is a strict **lower bound**. At **$20M per MW**, the investment-grade rent needs **16.4 years**, longer than its own 15-year lease.
- At the $11.3M shell-and-core benchmark both rents repay comfortably, in 6.2 and 9.2 years.
- Either the highest-capex builds are not being done at that rent, the tenant is funding part of the fit-out, or the underwriting leans on a residual value at year 15 that no operator has published a method for.
- What would change the read: a disclosed lease outside roughly $1.6–2.0M per MW-year, or published conversion capex well below $15M per MW.