Peregrine Energy Group provides strategic services to clients such as:
- Barnstable County (MA)
- Boston Housing Authority
- Cambridge Energy Alliance
- City of Cambridge, Massachusetts
- City of Providence, Rhode Island
- Clean Energy States Alliance
- Connecticut Clean Energy Fund
- Constellation NewEnergy
- Demand Response and Advanced Metering Coalition
- Demand Response Coordinating Council
- Harvard University
- Lawrence Housing Authority (MA)
- Lesley University
- Low Income Energy Affordability Network
- Massachusetts Department of Housing and Community Development
- Massachusetts Department of Energy Resources
- Mount Ida College
- Northeast Energy Efficiency Council
- Solar Energy Business Association of New England
- State of Rhode Island, Office of Energy Resources
- US Department of Energy
- Whole Foods Market