Clean Energy Group

Understanding the 45V Clean Hydrogen Production Tax Credit: Requirements, Exceptions, and Project Impacts

The U.S. Treasury Department released final guidance on the 45V Clean Hydrogen Production Tax Credit in January 2025. While the guidance did contain the vital “three pillars” of incrementality, temporal matching, and deliverability, which are essential for ensuring hydrogen production does not lead to a massive increase in grid emissions, it also contains several concessions…

Optimizing Energy Resilience to Support Medically Vulnerable Residents in Multifamily Affordable Housing

Power outages can quickly turn into a health crisis for the millions of Americans that rely on electricity for home medical devices, including life-support equipment (such as dialysis machines and ventilators) and technologies for independent living (such as electric wheelchairs, refrigeration for medicine, and internet for telehealth appointments). Many electricity-dependent residents live in multifamily affordable…

Video Series: Resilient Solar+Storage for Community Facilities

This video series is intended to introduce audiences to key concepts about solar and energy storage and guide viewers through how to size a solar and battery storage system.

Equitable Resilience: Opportunities to Advance Solar Paired with Battery Storage in Historically Marginalized Communities

This report by Clean Energy Group (CEG) presents findings resulting from the Resilience, Storage and Grid Benefits Community of Practice, an effort through the Equitable Solar Communities of Practice program initiative by The U.S. Department of Energy Solar Energy Technologies Office.

Energy Storage Program Design for Peak Demand Reduction

This issue brief, released by CEG and CESA, outlines best practices and lessons learned for state policymakers and regulators engaged in developing energy storage peak demand reduction programs. The brief explores key elements of program design, such as incentive mechanisms and dispatch methods, as well as considerations for incentivizing load reduction versus power export, and peak demand reduction versus emission reduction.

Comments on Draft Air Pollution Control Operating Permit for Passaic Valley Sewage Commission

Clean Energy Group submitted comments to the New Jersey Department of Environmental Protection regarding the Draft Air Pollution Control Operating Permit Significant Modification, issued to the Passaic Valley Sewage Commission (PVSC). CEG points out that PVSC has not provided sufficient evidence that their proposed combustion turbines are necessary to meet the anticipated maximum energy demand…

Energy Storage Equity: An Assessment of Three Massachusetts Programs

The Commonwealth of Massachusetts is a national leader in clean energy policy. In recent years, it has adopted ambitious energy storage procurement targets supported by innovative policies and programs, which are entering a period of internal review. The Commonwealth also has a long-held commitment to equity in its clean energy programs. Against this backdrop, Clean…

Fact Sheet: Green Hydrogen’s Impact on Water Supplies

Clean hydrogen has received a lot of interest for its potential use as a tool for decarbonization but has also prompted a lot of concerns. Hydrogen production and use can have serious consequences on water supplies, particularly in areas already facing water scarcity. The production of green hydrogen, as well as certain end uses, can…

Fact Sheet: Blue Hydrogen’s Impact on Water Supplies

Clean hydrogen has received a lot of interest for its potential use as a tool for decarbonization but has also prompted a lot of concerns. Hydrogen production and use can have serious consequences on water supplies, particularly in areas already facing water scarcity. The production of blue hydrogen, as well as certain end uses, can…

Comments on Connecticut’s Energy Storage Solutions Program

Clean Energy Group (CEG) submitted comments regarding the Connecticut Public Utilities Regulatory Authority’s annual Energy Storage Solutions (ESS) program review. The comments focus on multifamily affordable housing participation in the program and the benefits of energy storage for residents. CEG proposes that the Public Utilities Regulatory Authority consider establishing additional adders in the ESS program…