Google Berkeley County expansion (Moncks Corner)

Power

Power and the grid

Energized, size not disclosed

Sources on record, size not disclosed

Berkeley Electric Cooperative grid Serving co-op (press)
the co-op calls Google a long-time partner (press); no campus power agreement or MW figure is public News report · Sept. 2024

Getting on the grid

Santee Cooper plans a new 18.5-mile 230 kV line in Berkeley County to support load growth, in service by June 2027; the filings name no customer, so any link to this campus is unconfirmed. Utility regulator · 2026
Google's 600 MW solar purchase deal with EnergyRe in South Carolina is statewide; it is not on-site power for this campus. News report · Oct. 2025
No campus-specific Santee Cooper power agreement or MW figure could be verified from a primary source. News report · Oct. 2025

Permits

Permits checklist

1 pending · 2 granted · 1 checked, nothing on file

Approvals on record for the campus, and what we could not find.

◷
Aquifer draw of 1.5M gallons a day Pending
South Carolina environmental regulator · May 2025: Google filed for 1.5M gallons a day; it drew opposition and was put on hold; Google said it may revive it (press) News report · May 2025
✓
Groundwater withdrawal permit, 549M gallons a year Granted
South Carolina DHEC · Oct. 9, 2019: approved after public opposition and a regional advisory recommendation to deny (press) News report · Oct. 2019
✓
County fee-in-lieu-of-taxes agreement Granted
Berkeley County · Dec. 2010: original campus agreement; no executed agreement for the 2024 expansion found News report · Oct. 2026
–
Checked, nothing on file: Air permit for the campus

Risks

What could slow it down

Medium
Water
Earlier groundwater requests drew strong public and conservation opposition, and a 1.5 million-gallon-a-day aquifer request was shelved (press). see Permits
Watch
No disclosed power deal
No campus-specific power agreement or load figure is public, so the expansion's size cannot be checked. News report · Oct. 2025

Money

Money on record

$1.3B

expansion investment (state announcement)

Sept. 2024; part of a $3.3B announcement that also covered two Dorchester County campuses State agency · Sept. 2024

$600M+

earlier expansion pitch seeking a tax break (press)

code name Project Linden, 2019 News report · 2019

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming

2007
Site Google's first South Carolina data center opens in Moncks Corner State agency · Sept. 2024
Dec. 2010
Money County fee-in-lieu-of-taxes agreement formalized (press) News report · Oct. 2026
2019
Money Google, under the code name Project Linden, seeks a tax break for at least $600M more investment (press) News report · 2019
Oct. 9, 2019
Permits State gives final approval to triple the campus's groundwater withdrawal to 549M gallons a year News report · Oct. 2019
Sept. 26, 2024
Site Governor's Office announces Google's $1.3B expansion of the campus State agency · Sept. 2024
Oct. 13, 2025
Money Google says a new $9B statewide program through 2027 will fund the campus expansion Company · Oct. 2025

Construction activity

Building activity by quarter

Since Jan. 2015: 4 FAA filings (Jan. 2015 to Feb. 2020): tallest permanent building 81 ft (filed Dec. 2019) and tallest crane 240 ft (Feb. 2020).

FAA filings

’15

’16

’17

’18

’19

’20

Dot size: records in the quarter, largest = 2. Two-digit years mark each first quarter.

The buildings

Specs

549M gallons a year groundwater withdrawal the state permitted in 2019 (press). News report · Oct. 2019

Who is involved

Owners, partners and builders

Owner

Google: owner and operator
Maguro Enterprises: company Google used to negotiate the original pitch and the Project Linden expansion (press)

Power

Berkeley Electric Cooperative: power partner (press)
Santee Cooper: state utility building new 230 kV transmission in the county

Government

Berkeley County: host county and tax agreement
South Carolina Governor's Office: announced the 2024 expansion

Still unknown

Open questions

MW added by the expansion.
Status of the 1.5 million-gallon-a-day aquifer request.
Whether the new Santee Cooper line serves this campus.

Where this comes from

33 records from 12 documents

Drawn from state agency records, news reports, utility regulator dockets and company statements, each kept with its date and source. The bar shows documents by type.

State agency 4News report 4Utility regulator 3Company 1

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 (1)

Google signed a 600 MW solar PPA with EnergyRe in South Carolina in 2025
“Earlier this year, in South Carolina, Google signed a 600MW solar PPA with EnergyRe, and a water sustainability agreement with Arable.”
News report · Oct. 2025 · grade C

Money and contracts (6)

Project identity: Google data center campus, Mount Holly Commerce Park, Moncks Corner, Berkeley County, SC - operating since 2007 (Google's first South Carolina campus); $1.3B expansion of the existing campus announced S
“In Berkeley County, Google will invest $1.3 billion to expand its existing data center campus, located in the Mount Holly Commerce Park in Moncks Corner, and support continued job growth.”
State agency · Sept. 2024 · grade A
Investment announced: 1300000000 USD
“In Berkeley County, Google will invest $1.3 billion to expand its existing data center campus, located in the Mount Holly Commerce Park in Moncks Corner, and support continued job growth.”
State agency · Sept. 2024 · grade A
Mapping (inferred): the Cross-Wassamassaw line serves Berkeley County load growth where Google's Moncks Corner campus expansion (Project Linden) is the county's concentrated new data center load. The PSC notice names no
“This project will provide additional transmission capacity to support the load growth, and it will also provide increased electric reliability to residents and businesses throughout South Carolina”
Utility regulator · 2026 · grade B
The Oct 2025 $9 billion is a statewide figure through 2027 covering Berkeley plus two Dorchester campuses and workforce programs; it must not be attributed to this campus alone
“Google is announcing a new $9 billion investment in South Carolina through 2027.”
Company · Oct. 2025 · grade B
Governor's Office put the Berkeley-specific share of the 2024 combined announcement at $1.3 billion
“In Berkeley County, Google will invest $1.3 billion to expand its existing data center campus, located in the Mount Holly Commerce Park in Moncks Corner”
State agency · Sept. 2024 · grade B
Earlier expansion pitch under the code name 'Project Linden': Google sought a property tax break for an investment of at least $600M, negotiated by Maguro Enterprises; a related groundwater permit request (1.5 million ga
“Records filed with Berkeley County, first spotted by The Post and Courier, note that Google is hoping to invest $600m in the facility, but is seeking a property tax break first.”
News report · 2019 · grade C

Permits and government (9)

FAA OE/AAA archive case, Crane "10402: Determined - No Hazard
“ASN 2020-ASO-6648-OE: 10402 - MNK, crane, 190 ft AGL, 237 ft AMSL, 33.06417,-80.03861, Determined - No Hazard, submitted 2020-02-28”
FAA · Feb. 2020 · grade A
FAA OE/AAA archive case, Crane "MNK 7A", 240 ft AGL / 283 ft AMSL at 33.06439,-: Determined - No Hazard
“ASN 2020-ASO-5679-OE: MNK 7A, crane, 240 ft AGL, 283 ft AMSL, 33.06439,-80.03906, Determined - No Hazard, submitted 2020-02-19”
FAA · Feb. 2020 · grade A
FAA OE/AAA archive case, Building "MNK 7A", 81 ft AGL / 124 ft AMSL at 33.06439: Determined - No Hazard
“ASN 2019-ASO-35733-OE: MNK 7A, building, 81 ft AGL, 124 ft AMSL, 33.06439,-80.03906, Determined - No Hazard, submitted 2019-12-04”
FAA · Dec. 2019 · grade A
FAA OE/AAA archive case, Tower crane "MNK6A", 209 ft AGL / 254 ft AMSL at 33.06: Determined - No Hazard
“ASN 2015-ASO-615-OE: MNK6A, tower crane, 209 ft AGL, 254 ft AMSL, 33.06239,-80.04182, Determined - No Hazard, submitted 2015-01-23”
FAA · Jan. 2015 · grade A
Santee Cooper letter of intent filed Dec 23, 2025 for a CECPCN to build the Cros: application filed (letter of intent)
“As indicated by the Letter of Intent filed by the Applicant with the Commission on December 23, 2025, Santee Cooper proposes to construct and operate a new 230 kV transmission line of 18.5 miles”
Utility regulator · Jan. 2026 · grade B
PSC notice of filing and public hearing for Santee Cooper's CECPCN application f: notice of filing and public hearing issued
“Application of South Carolina Public Service Authority (Santee Cooper) for a Certificate of Environmental Compatibility and Public Convenience and Necessity for the Construction and Operation of the Cross to Wassamassaw 230 kV Transmission Lines”
Utility regulator · 2026 · grade B
Santee Cooper project page: construction over a 1-year period starting mid-2026;: construction scheduled; in-service date stated
“Santee Cooper plans to construct this transmission line over a 1-year period, starting in mid-2026 and the line will be in service by June 1, 2027”
Utility regulator · 2026 · grade B
Google filed for a state permit to draw 1.5 million gallons per day from an aquifer (Middendorf/Charleston aquifer) to cool the campus; the application drew opposition from residents, environmental groups, and other aqui
“Google filed for a permit to draw 1.5 million gallons per day from an aquifer to cool the data center”
News report · May 2025 · grade C
Historic opposition to Google's Berkeley groundwater withdrawal request (tripling to 549 MG/yr): public and conservation opposition, a BCD Council of Governments advisory recommendation to deny, and DHEC final permit app
“The request was met with swift and strong opposition from the public and the conservation community.”
News report · Oct. 2019 · grade C

Site and other (2)

County code: 45015
“Established in 2007, the Berkeley County operation was the company's first in South Carolina.”
State agency · Sept. 2024 · grade A
Project status: expanding operating campus
“This funding will expand our Berkeley County data center campus and support the continued construction of two new sites in Dorchester County”
Company · Oct. 2025 · grade B