# GSA Modernizes Butte Courthouse with Sustainable Energy

The U.S. General Services Administration (GSA) is leading a comprehensive modernization project at the Mike Mansfield Federal Building and U.S. Courthouse in Butte, Montana, incorporating innovative sustainable energy solutions. This federally funded initiative, supported in part by the U.S. Department of Energy (DOE), includes seismic retrofitting, HVAC and electrical system upgrades, and the implementation of geothermal heating using water from abandoned mine workings alongside rooftop solar panels to power system equipment. The project aims to enhance building safety, energy efficiency, and sustainability while preserving the courthouse's historic character.

- This modernization represents a significant opportunity for contractors specializing in sustainable energy systems, geothermal technologies, and historic building retrofits.
- Procurement professionals should note the integration of renewable energy sources such as abandoned-mine water geothermal heating and solar power as emerging trends in federal building upgrades.
- The involvement of DOE funding highlights potential for collaboration between energy and facilities management sectors in future GSA projects.
- Companies with expertise in seismic retrofitting and advanced HVAC/electrical systems may find increased demand in similar federal infrastructure modernization efforts.

**Jurisdictions:** federal
**Industries:** Construction & Infrastructure, Energy & Utilities
**Topics:** Physical Infrastructure, Digital Infrastructure
**Published:** September 27, 2026

### Government Entities
- U.S. General Services Administration (GSA)
- U.S. Department of Energy (DOE)

### Sources
- [Historic Montana courthouse may use abandoned-mine water and rooftop solar for heating](https://www.ecoportal.net/en/montana-courthouse-mine-water-heating/39483) - EcoPortal.net