The site
The site from above
Power
Power and the grid
None energized or contracted yet
On-site natural gas enginesApplication pending
TCEQ application lists 3,428 engines; engine maker not disclosed; permit not yet issued State agency · July 2026
Proposed
Not used, not on record, or dropped
- Utility grid None foundnone on record: no grid interconnection request found; a behind-the-meter plant would not file one News report · Oct. 2026
Getting on the grid
Who supplies what, what it costs, and what is still not public.
- July 8, 2026Air permit application receivedThe state regulator logs Enchanted Rock's new source review application for the Caprock Ranch Energy Facility. see Permits
- July 9, 2026Federal-style permits pairedThe pollution-control (PSD) and greenhouse-gas permits are received with the same project number. see Permits
- Aug. 5, 2026Public notice publishedThe notice of receipt and intent is published; the comment period ends Sept. 4, 2026. see Permits
- Not setGrid link: none on recordNo grid interconnection request or utility agreement exists for this project. see Permits
- The Texas grid operator sought information in Oct. 2026 from data centers of 25 MW or more on on-site generation and ownership, and a state compliance report is due to the Governor Oct. 19, 2026 (press). News report · Oct. 2026
- No plant for this campus appears in EIA's federal generator inventory (EIA-860M, Aug. 2026). That inventory covers grid-connected plants only, so an off-grid plant may not be listed yet. State agency · Oct. 2026
Grid upgrades
No grid upgrade for this campus's load is on record. Related grid records in the area:
- Permian Basin pocket context: Oncor's Permian Basin Reliability Plan Upgrade L18 (TPIT 99391A/B/C) converts the Stanton East - Midland Basin - Spraberry 69 kV corridor to 138 kV and decommissions the Martin and Stanton… Dataset · July 2026
On-site generation on file
- Generating units on the permit: 3,428 natural gas reciprocating engine generator sets, 0.45 MWe each (total nominal capacity 1,542.6 MWe) State agency · July 2026
Permits
Permits checklist
3 pending · 1 checked, nothing on file
- ◷Air new source review permit PendingTexas Commission on Environmental Quality · July 8, 2026: administrative review complete July 14; public notice Aug. 5; comments closed Sept. 4 State agency · July 2026
- ◷Pollution-control (PSD) permit PendingTexas Commission on Environmental Quality · July 9, 2026: paired with the air permit under one project number State agency · July 2026
- ◷Greenhouse-gas PSD permit PendingTexas Commission on Environmental Quality · July 9, 2026: new application, not yet decided State agency · July 2026
- –Checked, nothing on file: Grid interconnection
Risks
What could slow it down
- HighNo customer or financingNo tenant, lease, offtake or lender is named anywhere, and the parent's filings never mention the project. Company · Oct. 2026
- HighPermits still undecidedThe air, PSD and greenhouse-gas permits are all pending, and none has been issued. State agency · Oct. 2026
- MediumSize against the company's recordAt 1,543 MW the plant would exceed Enchanted Rock's whole installed base of 1,104 MW and use most of its $1.7B backlog at typical costs. Company · Oct. 2026
- MediumTexas scrutiny of on-site generationState and grid-operator reviews of data center power are under way this month (press). News report · Oct. 2026
- WatchProject agreements: noneNo development agreement, tax abatement, supply deal or lease exists in any source checked.
Money
Money on record
$626.6M
Enchanted Rock cash, June 30, 2026
no debt and an undrawn $250M facility, none allocated to this project Company · June 2026
$1.7B
Enchanted Rock's total contracted backlog, all customers
Q2 2026 results; a plant of this size would use most of it at typical engine-plant costs Company · Aug. 2026
$48.8M
loss on debt paid off at the June 2026 IPO
corporate event, not project money SEC filing · Feb. 2026
Not on record: project financing: no debt, equity or offtake tied to the project Company · June 2026
Timeline
What happened, and what is due
SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
- Feb. 17, 2026Money Enchanted Rock confidentially files for an IPO; the filing never mentions Caprock (corporate context). SEC filing · Feb. 2026
- June 11, 2026Money Parent company completes its IPO as ERock, Inc. SEC filing · Feb. 2026
- July 8, 2026Permits State air permit application received for the Caprock Ranch Energy Facility. State agency · July 2026
- July 9, 2026Permits Paired PSD and greenhouse-gas permit applications received. State agency · July 2026
- July 14, 2026Permits State completes its administrative review of the application. State agency · July 2026
- Aug. 5, 2026Permits Public notice of the application is published. State agency · July 2026
- Aug. 11, 2026Money Enchanted Rock reports a 1,104 MW installed base and $1.7B backlog; its results do not mention Caprock. Company · Aug. 2026
- Sept. 4, 2026Permits Public comment period on the air permit ends. State agency · July 2026
- Oct. 12, 2026Permits Texas grid operator's information request to data centers of 25 MW or more falls due (press). News report · Oct. 2026
- Oct. 2026Permits State environmental agency's compliance report on data center permits is due to the Governor (press). News report · Oct. 2026
Construction activity
Satellite captures by quarter
Since Jan. 2022: 73 satellite captures. The chart starts in the first quarter of 2023; 4 earlier records are not drawn.
Satellite
’23
’24
’25
’26
Dot size: records in the quarter, largest = 7. Two-digit years mark each first quarter.
The buildings
Specs
366 MW
Enchanted Rock's largest named data-center build, for Meta in El Paso; Caprock is not mentioned in its results
- Reciprocating: natural-gas engine type; no maker or model named
- Midland County: about 14 miles south of Interstate 20, east of Highway 349 State agency · July 2026
Who is involved
Owners, partners and builders
Applicant and owner
- Enchanted Rock, LLC: permit applicant and project owner of record
- ERock, Inc. (NYSE: EROC): public parent since June 2026
- Enchanted Rock Holdings, LLC: operating parent
Regulators
- Texas Commission on Environmental Quality: air permits
- ERCOT: grid operator (none involved so far)
Not related
- Aligned Data Centers' Project Caprock in Hale County is a different project (press)
Still unknown
Open questions
- Any data-center customer, power buyer or lender.
- Whether and when the state decides the air permits.
- The engine maker, gas supply and any grid tie.
- Whether any site work has begun: satellite readings for the site swing widely between scenes and show no equipment.
Where this comes from
253 records from 16 documents
Drawn from public and commercial datasets, state agency records, securities filings, news reports, company statements and satellite captures, each kept with its date and source. The bar shows documents by type.
Dataset 7State agency 5SEC filing 4News report 3Company 1Satellite 0
Evidence
Every quote behind this page
Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.
Power (22)
- Erock name collision: The only EDGAR filer named 'ERock' is ERock, Inc. (Nasdaq: EROC, CIK 0002110029), a Houston manufacturer of modular natural-gas power systems (proprietary reciprocating engines) that sells to data c“We are a vertically integrated company that designs, deploys, operates and maintains multi-purpose distributed power systems, consisting of our proprietary, low emission, quick-response natural gas generator”SEC filing · Aug. 2026 · grade A
- Applicant: Enchanted Rock, LLC (CN606225175)“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · July 2026 · grade A
- Regulated entity: CAPROCK RANCH ENERGY FACILITY, RN112485859“The Caprock Ranch Energy Facility (RN112485859) will generate power utilizing internal combustion engines to be used by a nearby third party facility”State agency · July 2026 · grade A
- Generator units: 3428 engines“The Site will consist of 3,428 natural gas-fired reciprocating internal combustion engines (RICE), each with a nominal power generation rating of 0.45 MWe”State agency · July 2026 · grade A
- On-site generation: 1542.6 MW“3428 engines x 0.45 MWe = 1542.6 MWe; application states 'total nominal capacity of 1,542.6 MWe'”State agency · July 2026 · grade A
- Interconnection status: No grid interconnection sought - behind-the-meter microgrid design (Enchanted Rock); on-site generation permitting at TCEQ (air NSR 184626 / PSDTX1714 / GHGPSDTX277 applications received Jul 2026“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · July 2026 · grade A
- Generating units on the permit: 3,428 natural gas reciprocating engine generator sets, 0.45 MWe each (total nominal capacity 1,542.6 MWe)“3428 engines x 0.45 MWe = 1542.6 MWe; application states 'total nominal capacity of 1,542.6 MWe'”State agency · July 2026 · grade A
- ERock draft S-1 full-text find: 'Caprock' 0 occurrences, '1,543' 0 occurrences. The filing's showcase data-center project is Microsoft San Jose (60 MW resiliency); fleet is ~400 sites / 997 MW installed base with $1.22B“approximately 400 operational sites, with approximately 1,000 MW deployed operating power systems, approximately $1.4 billion in deployed operating assets”SEC filing · Feb. 2026 · grade A
- Paper or real: Paper: the claimed 1,543 MW plant exceeds ERock's entire installed base (1,104 MW at Jun 30, 2026) and would consume roughly its whole $1.7B all-customer backlog at industry recip costs; zero primary recor“Installed Base (MW) 1,104”Company · Oct. 2026 · grade B
- ERock Q2 2026 release (8-K Ex. 99.1): backlog ~$1.7B and installed base 1,104 MW; the only named data-center items are the Anthropic 470 MW equipment purchase order and construction start on the 366 MW El Paso Electric f“We secured a 470 MW equipment purchase order from Anthropic, increasing our Contracted Power System Sales Backlog to approximately $1.7 billion”Company · Aug. 2026 · grade B
- Announced: Aug. 5, 2026“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · Aug. 2026 · grade B
- County: Not identifiable, no site, filing or record names a county“NEXUS DATA CENTER HUBBARD | 183046 GHGPSDTX2 69, PSDTX1700”State agency · Oct. 2026 · grade C
- Stated campus size: not stated“1543 (Baxtel aggregator listing only”grade C
- Power plan: unknown, tracker claims behind-the-meter on-site generation; no site, interconnection or grid record exists“none (behind-the-meter) [(row C0384)]”grade C
- Interconnection status: None found, no ERCOT large-load interconnection request by Enchanted Rock in the web index; a behind-the-meter plant would not file one“October 12, 2026: ERCOT's information request is due from data centers of 25 megawatts or more pursuing interconnection”News report · Oct. 2026 · grade C
- Construction stage: none, no site identified and no construction evidence in any source“CRUSOE ENERGY SYSTEMS LLC | LONGHORN DATA CENTER | 182126, GHGPSDTX2 63, PSDTX1688”State agency · Oct. 2026 · grade C
- Stage: Phantom / paper-only, no evidence a project exists; recommend zero-weighting or removal pending any primary record“over 2,000 deployed units across approximately 400 operational sites consisting of an installed base of approximately 1,000 MW”SEC filing · Oct. 2026 · grade C
- unconfirmed, with no county, even the ISO territory cannot be confirmed)“ERCOT (Texas”grade C
- Aligned Data Centers' Project Caprock (Hale County, TX, 540 MW, six buildings, Xcel Energy, ground broken 2026) is a different project and the only real 'Caprock' in Texas data centers; Cap Rock Energy Corp (defunct Mid“Project Caprock, a 540MW campus located on 313 acres outside Abernathy in Hale County”News report · Oct. 2026 · grade C
- On-site generation: 1,543 MW“R4 on-site tracker (supabase URL referencing NORI dated 2026-07-14, PSDTX1714, GHGPSDTX277) [(row C0384)]”grade C
- On-site power technology: Natural gas reciprocating engines (claimed by tracker only; no OEM or unit count disclosed anywhere)“input CSV noting 1543 MW recip, Enchanted Rock owner [(row C0384)]”grade C
- Permian Basin pocket context: Oncor's Permian Basin Reliability Plan Upgrade L18 (TPIT 99391A/B/C) converts the Stanton East - Midland Basin - Spraberry 69 kV corridor to 138 kV and decommissions the Martin and Stanton E“Stanton East - Midland Basin - Spraberry 69 kV Line Conversion to 138 kV. Add part of Permian Basin Reliability Plan Upgrade ID L18. Decommissions Midland Basin, Midland Gulf, Spraberry, Martin, and Stanton East 69 kV Stations.”Dataset · July 2026 · grade C
Money and contracts (5)
- corporate credit facility (developer-level context, NOT a project agreement): termination of predecessor facility 2024 Credit Agreement terminated November 26, 2025, all outstanding principal, accrued interest and othe“On November 26, 2025, the Company paid off all outstanding principal, accrued interest, and other fees in order to terminate the 2024 Credit Agreement”SEC filing · Feb. 2026 · grade A
- corporate credit facility (developer-level context, NOT a project agreement): facility size, maturity $30.0M term loan plus $30.0M revolving credit facility; $30.0M term loan drawn at closing; revolver undrawn at Dec 31“a $30.0 million term loan and a $30.0 million revolving credit facility, with the revolving facility maturing on December 22, 2028 and the term loan maturing November 29, 2030”SEC filing · Dec. 2025 · grade A
- Tenants: None identified, no tenant, offtaker or data-center customer named in any source“Executed a 470 MW equipment purchase order with Anthropic, further validating ERock's position as a leading provider of utility-grade onsite power solutions for AI infrastructure”Company · Oct. 2026 · grade B
- Financing:, no project financing disclosed in any source; ERock corporate liquidity at Jun 30, 2026 was $626.6M cash, no debt, undrawn $250M facility, with no allocation to this project USD“Ended the quarter with strong liquidity, including $626.6 million of unrestricted cash, no outstanding debt and an undrawn $250 million credit facility as of June 30, 2026”Company · June 2026 · grade B
- ERock–HD Construction Equipment multi-year engine long-block supply agreement (Business Wire) cites the $1.7B contracted backlog and ~1.1 GW installed base and names Meta and Microsoft as data-center contract counterpart“ERock's $1.7 billion contracted backlog as of June 30, 2026 extends production requirements into 2028”News report · Oct. 2026 · grade C
Permits and government (9)
- air permit, verification check: not listed, full-table find (CAPROCK / ENCHANTED / PSDTX1714: 0 hits) plus line-by-line read of the C and E sections; positive controls present (Crusoe Longhorn PSDTX1688, Nexus Hubbard“NEXUS DATA CENTER HUBBARD | 183046 GHGPSDTX2 69, PSDTX1700”State agency · Oct. 2026 · grade A
- Federal PSD permit paired with NSR 184626 (Project 411884); same docket mileston: PSD application received - pending“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · July 2026 · grade A
- Greenhouse-gas PSD permit paired with NSR 184626 / PSDTX1714 (Project 411884); s: GHG PSD application received - pending“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · July 2026 · grade A
- Enchanted Rock, LLC initial NSR permit for Caprock Ranch Energy Facility (RN1124: Air New Source Review application received - pending“Enchanted Rock, LLC (Enchanted Rock) (CN 606225175) has submitted an application for initial permit numbers 184626, PSDTX1714, and GHGPSDTX277.”State agency · July 2026 · grade A
- air permit (PSD): claimed pending in the tracker chain only; NOT found on TCEQ's pending NSR public-notice list“R4 on-site tracker (supabase URL referencing NORI dated 2026-07-14, PSDTX1714, GHGPSDTX277) [(row C0384)]”grade C
- GHG PSD permit: claimed pending in the tracker chain only; NOT found on TCEQ's pending NSR public-notice list“R4 on-site tracker (supabase URL referencing NORI dated 2026-07-14, PSDTX1714, GHGPSDTX277) [(row C0384)]”grade C
- Portfolio context only: Enchanted Rock participates in PUCT large-load tariff proceedings as a commenter (non-firm service / flexibility pathways), it holds no ERCOT interconnection request or PUCT certificate for any C“Comments by Enchanted Rock reference non-firm service options and retail tariffs in other regions (PJM, SPP) and industry initiatives (EPRI DCFlex)”Dataset · Oct. 2026 · grade C
- none identifiable: No planning, zoning, commissioners-court, board or hearing record in any jurisdiction references this project; the county was never identified, so no local body can be tied to it and no meeting can hav“Texas (county unspecified)”grade C
- Texas data-center permit pause sweeps: ERCOT information request due Oct 12, 2026 from data centers of 25 MW or more pursuing interconnection (water, cooling, on-site generation, ownership, impacts), and TCEQ compliance“October 12, 2026: ERCOT's information request is due from data centers of 25 megawatts or more pursuing interconnection, covering water, cooling, on-site generation, public financial assistance, ownership, and noise, light, and traffic impacts”News report · Oct. 2026 · grade C
Site and other (5)
- Site location: approx 14 mi south of Interstate Hwy 20 on the E side of Texas State Hwy 349, Midland County TX (31.788333,-102.010278)“located approximately 14 miles south of Interstate Highway 20 on the east side of Texas State Highway 349 in Midland County, Texas.”State agency · July 2026 · grade A
- County code: 48329“buildings: Midland County County TX (48329)”Dataset · Oct. 2026 · grade B
- Name: Caprock Ranch Energy Facility (ERock)“ERock Caprock Ranch [(row C0384)]”grade C
- Developer: Enchanted Rock (ERock), attribution unconfirmed“Enchanted Rock (per Baxtel aggregator listing only”grade C
- The project enters the data only via one chain: R4 on-site tracker (supabase URL, never fetched) -> Phase A seed (attributed to a Baxtel listing that no longer shows it) -> spon“R4 on-site tracker source URL (supabase, not fetched); general web search [(row C0384)]”grade C
Imagery and records: Satellite imagery: Maxar via Esri World Imagery Wayback.