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Under ConstructionPlanned

Multi-phase construction project

South Texas

Region
Texas

State
South Central US

Region
United States

Country
North America

Region
Americas

Region

Soluna: Project Ellen

Year Planned: 2026

Utility Provider: South Texas Electric Cooperative

Project Ellen is a wind-powered Bitcoin mining and AI/HPC data center under development by Soluna Holdings, built in two phases.

Location

Co-located behind-the-meter with a wind farm in Cameron County, near Rio Hondo / Harlingen, in South Texas. Power is drawn from the ERCOT-South region via South Texas Electric Cooperative (138 kV).

Status

Term sheet for power signed April 2025
Definitive power purchase, land, and ERCOT interconnection agreements in progress

Background

Named after astronaut Ellen Ochoa, the first Hispanic woman to travel to space.

Map and Nearby Locations

This Facility

Soluna Sites

Nearby Facilities

Soluna: Project Ellen Power Growth Over Time

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Construction

Planned

Prospective

In Doubt

Withdrawn

Currently Operational

across sites

Under Construction

sites currently building

Planned / Prospective

sites announced, but haven't started construction

Sites within 15 miles of Hub One
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Distance	Site	About
8.74 miles	Eneus Energy: Harlingen RGV Campus	Representing a potential $14 billion capital investment, the project—dubbed the RGV data center—plans to house 16 data halls supported by a 765kV transmission line.
11.22 miles	Crypto Mining Data Center Request Dataset	Soluna, a provider of crypto and high-performance computing (HPC) data centers, has secured a power supply agreement with an undisclosed developer for its Project Hedy.
13.71 miles	Lumen Harlingen 1
18.93 miles	Metrobloks: Harlingen, TX	Metrobloks is developing a data center in Harlingen, TX with power densities beyond 150kW per rack.

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Operating Company

Soluna harnesses the power of computing to accelerate the renewable energy future. Our data centers can buy every excess megawatt to use for batch-oriented, computing-intensive processes such as cryptocurrency mining or machine learning, and this solution is as low-risk and low-friction to use as a smartphone.

Facilities

News See all

Soluna Buys 150MW Wind Farm in West Texas for 300MW Data Center Project

April 07, 2026 Soluna

The company acquired the Briscoe Wind Farm for $53 million, which is located adjacent to its Project Dorothy sites, where it currently operates two data centers, Dorothy 1 and Dorothy 2. The third facility, Dorothy 3, is slated for development on a 300-acre land parcel located next to the other...

Soluna to Develop Two New Data Centers in Texas

August 27, 2025 Soluna

Cryptomining and high-performance computing data center developer Soluna has announced two new projects in Texas with a combined capacity of 350MW, bringing its total capacity in operation and development to 1GW.The first project announced was Project Fei, a 100MW data center project colocated...

Soluna secures $30 million in funding for data center expansion

May 24, 2024 Soluna

Data center operator Soluna has secured $30 million in funding from Spring Lane Capital to expand its data center in Texas. Soluna said the financing will accommodate approximately 12,700 Bitcoin mining rigs, each with a power consumption of around 3.5kW, totaling 48MW. Soluna has an existing...