A 300 MW data center site with approved or contracted power is one of the scarcest assets in US real estate right now. Utilities ask for site control, collateral and long minimum-bill contracts before they commit, and grid operators are rationing studies. When a 300 MW site has a signed agreement, buyers move quickly. Invariant lists a 300 MW approved Ohio site, a 350 MW Pennsylvania campus with a signed utility service agreement and a 375 MW Nevada site, and tracks more.
Before you start
- 300 MW at the meter is about 230 MW of IT at a PUE of 1.3, roughly 1,920 AI racks at 120 kW, about 138,000 GPUs.
- Expect 345 kV service, often two or more lines and a new switching station.
- A signed energy service agreement with a ramp is the document to hold out for. Approved is good. Proposed is a lead.
- Land: 150 to 450 gross acres. Plan the substation corner before the halls.
What 300 MW actually fits
Utilities sell facility load. Tenants buy IT load. At a PUE of 1.3, a 300 MW site leaves about 230 MW for IT. At about 120 kW per NVIDIA GB200 NVL72 rack, that is roughly 1,920 racks, or about 138,460 GPUs. Air-cooled designs at 30 to 50 kW per rack fit more racks and fewer GPUs per MW. Typical buyers at this size are a hyperscaler, a frontier AI lab, a large developer or an infrastructure fund.eeNews Europe
| 300 MW site | What to expect |
|---|---|
| IT load at PUE 1.3 | About 230 MW |
| AI racks at 120 kW | About 1,920 |
| Utility service | 345 kV, sometimes 500 kV, with a switching station and two or more lines. |
| Land | About 150 to 450 gross acres. |
| Time to power | 1 to 2 years for contracted sites with phased ramps; 5 years or more for new 300 MW service in constrained markets. |
| Documents to ask for | A signed energy service agreement or construction agreement with the ramp schedule, collateral terms and the large-load tariff schedule. |
These ranges are Invariant’s working figures from sites we have screened. They are not published standards, and individual utilities and designs land outside them.
Read the ramp, not the headline
A 300 MW agreement rarely means 300 MW on day one. Our Pennsylvania campus, for example, has 50 MW at end of 2026 and 300 MW at end of 2027 under a signed agreement. Model the ramp against your hardware delivery. A site that can take 50 MW now and 300 MW in a year may beat one that promises 300 MW in three years.
PJM and Texas at 300 MW
In PJM, large data center loads face long studies and capacity-market exposure, and FERC has set rules for co-locating load with generation. In ERCOT, a 300 MW load falls under SB 6, the PUCT’s large-load rules and Batch Zero. Since August 2026 ERCOT has not approved energization of new data centers of 75 MW or more. Outside both, utilities set their own terms. Each path changes what approved means.Texas Legislature OnlineERCOT
300 MW data center sites available now
These sites from Invariant’s current inventory fit a 300 MW requirement, either at that size today or with a phase that covers it. Specs are as marketed by the owner and are checked against utility documents before any introduction.
| Region | Power | Land | Timing |
|---|---|---|---|
| Ohio | 300 MW approved | 300+ acres | 1H 2027 |
| Pennsylvania | 350 MW, signed utility service agreement | Former plant campus, lease | 50 MW end 2026, 300 MW end 2027 |
| Nevada | 375 MW | ~350 acres | 2027 to 2028 |
| Texas metro | 44 MW, +250 MW | ~50 acres, 1M sq ft | Now |
| Kansas | Path to 250 MW BTM gas | Mineral acreage | Now |
| Pennsylvania | 200 MW BTM gas + 300 MW grid | 120 ready acres | Phased |
Exact locations, the utility documents behind each MW figure and pricing are shared on a call. We also hold sites that are not listed publicly; owners ask for discretion and a site that is shopped everywhere loses value.
How Invariant finds 300 MW sites
We search from power evidence first and land second. For a 300 MW request we start with stations and services that can carry the load, kill anything already claimed, operating for someone else, contaminated or under a moratorium, and only then look at parcels. Each surviving site is graded A (documented power), B (a named power path with a date) or C (land near capacity), with the one document that would move it up a tier.
Tell us the MW, the states you would consider and the date you need power. We send the 300 MW sites that fit, including ones that are not on this page.
Browse data center sites by size and state
Questions that come up.
How much land does a 300 MW data center need?
Roughly 150 to 450 gross acres, including a 345 kV substation, cooling, generators, stormwater and buffers.
What does approved power mean for a 300 MW site?
It ranges from a completed utility study to a signed energy service or construction agreement with a ramp and collateral. Ask for the document. Only a signed agreement with a date commits the utility.
Where can I find a 300 MW data center site?
Invariant lists a 300 MW approved site in Ohio, a 350 MW Pennsylvania campus with a signed utility service agreement, a 375 MW Nevada site and a Texas property with 250 MW of expansion. Locations and documents are shared on a call.
How does Invariant help find a 300 MW data center site?
Invariant keeps a live inventory of US powered sites, screens each one against utility documents, and matches buyers to sites by MW, state and energization date. Book a call or call (628) 220-8972 with your 300 MW requirement and we send matching sites, including off-market ones.
Sources and references.
Site specifications are as marketed by the seller and are checked against utility documents before any introduction. Public sources checked on . The location, equipment, and operating plan determine which requirements apply to a project.
- ERCOTBatch Zero update, September 2026 ↗
- Lawrence Berkeley National Laboratory and The Brattle GroupElectricity rate designs for large loads (August 2026) ↗
- eeNews EuropeNvidia offers 120 kW liquid-cooled Blackwell rack as industry standard ↗
- PJM Inside LinesPJM's updated 20-year forecast continues to see significant long-term load growth ↗
- Texas Legislature OnlineSenate Bill 6, 89th Legislature ↗