Lightmatter officially becomes a unicorn
December 19, 2023
Boston
In early 2026, Jeffrey D. Markley, CEO of the Markley Group, purchased the retired 85-megawatt Tanner Street Generating Station and adjacent industrial parcels on Bolt Street for $5.6 million.
Located within Lowell's General Industrial (GI) zoning district, the 2 Tanner Street property encompasses 112,385 square feet (10,440 sqm). Operating through Tanner Street Investco, LLC, Markley secured preliminary municipal approval to subdivide the land into two parcels—spanning 48,677 square feet (4,522 sqm) and 48,113 square feet (4,469 sqm)—and demolish the existing industrial structure.
The acquisition targets a former power generation site that historically served as the city’s largest diesel fuel storage facility, intending to leverage its pre-existing high-capacity grid connectivity to absorb infrastructure overflow from Markley's nearby flagship AI data center campus. However, further development is legally frozen due to a unanimous 10-0 data center moratorium enacted by the Lowell City Council and a parallel environmental justice lawsuit filed by a neighborhood coalition concerning noise and diesel emissions.
| Distance | Site | About |
|---|---|---|
| 0.36 miles | Markley: Lowell |
Markley’s data center in Lowell, MA encompasses 352,000 square feet of highly secured white and mechanical space. In addition to carriers originating at local POPs, the facility offers the benefits of three diverse dark fiber networks connected directly to Markley’s Boston location.
|
| 0.78 miles | Markley: 90 Bolt Street |
In early 2026, Jeffrey D. Markley, CEO of the Markley Group, purchased the industrial property at 90 Bolt Street alongside adjacent industrial plots for a combined $5.6 million.
|
| 2.55 miles | Prov.net Boston North |
Dedicated ½ Cabinet to Multi-cabinet Suites
Diverse power feeds
750 KW Generator
Redundant (A/B) Distribution
|
| 6.48 miles | TierPoint Andover |
The site was acquired when TierPoint bought Windstream's data centers in October 2015. It was originally a PAETEC data center.
|
| 6.85 miles | NaviSite Andover | |
| 7.39 miles | Equinix Boston BO2 |
Equinix acquired BO2 as well as 28 other datacenters from Verizon in 2017. It was formerly named Verizon BOS1 Billerica.
Constructed in 2001
Construction Type: Slab on grade, concrete
|
| 7.81 miles | EdgeConneX Boston |
Customer work spaces are available
Raised Floor: 30"
EdgeConnex has rights to adjacent space to accommodate expansion.
|
| 9.36 miles | Camber: Bedford, MA |
1 Story structure
Flood Zone: Outside 100 and 500 Year Flood Plain
Seismic Zone 2A
N+2 Cooling Plant Redundancy
|
| 9.80 miles | Dynamic Internet Salem |
|
| 13.88 miles | 200 Quannapowitt |
The former facility was torn down in 2023.
|
| 16.34 miles | 600 Winter - Digital Realty |
Digital Realty full leased the building to a Triple Net tenant, Cyxtera BO1.
|
| 16.38 miles | Centersquare Waltham BOS1 |
Datacenter operational since in 1998.
2 story building
Raised Floor: 12"
Utility: NSTAR
|
| 16.45 miles | Equinix Boston BO1 | |
| 16.65 miles | 115 2nd - Digital Realty |
Digital Realty full leased the building to a Triple Net tenant, Cyxtera BO3
|
| 16.65 miles | Centersquare: Waltham BO3 |
1 Story Structure
Raised Floor: 24"
|
| 19.75 miles | Expedient Boston | |
| 19.98 miles | Centersquare: Watertown BOS4 |
Centersquare's cloud-enabled Watertown data center is located close to the center of Boston, and only 10 miles from Boston Logan International Airport. The facility was originally built in 2002 and then expanded in 2008 to add space, power, and cooling capacity.
|
Markley owns and operates the largest carrier neutral data center in New England, One Summer Street.
1991: Markley Group was founded by CEO Jeff Markley.
1997: Markley purchased One Summer Street in Boston.
June 2015: Company announced a new data center in Lowell MA. (r1)
December 19, 2023
Boston
Mar 12, 2026
Eric Bell
World
Feb 05, 2026
Eric Bell
World
Jan 15, 2026
Eric Bell
Applied Digital
Jan 05, 2026
Eric Bell
Dallas
Sep 04, 2025
Eric Bell
Texas