Understanding Solar+Storage: Answers to Commonly Asked Questions About Solar PV and Battery Storage
October 20, 2020 by Marriele Mango, Seth Mullendore

The information presented in this guide focuses primarily on customer-sited, behind-the-meter solar+storage installations, though much of the information is relevant to other types of projects as well, including storage-only projects and front-of-the-meter solar+storage projects. It is meant to serve as a starting point to establish a foundation of knowledge and understanding for individuals and organizations beginning to explore solar+storage options for their homes, businesses, or community facilities.

Lista de Cotejo del Proyecto Solar+Almacenamiento
December 10, 2019 by Lew Milford, Seth Mullendore

This is the Spanish language version of CEG’s Solar+Storage Checklist, designed to help cities or developers assess whether solar storage battery systems make sense for their buildings.

Resilient Southeast: Exploring Opportunities for Solar+Storage in Five Cities
April 18, 2019 by Marriele Mango, Seth Mullendore

Resilient Southeast is a series of reports exploring the obstacles and opportunities for solar PV and battery storage to strengthen the resilience of communities throughout the Southeast.

Behind-the-Meter Solar+Storage Permitting and Interconnection Guide for Boulder, Colorado
October 20, 2018 by Debra Perry, Seth Mullendore, Yael Gichon

This guide reviews permitting and interconnection requirements and processes for the development of residential and commercial -scale solar+storage systems in Boulder, Colorado.

Jump-Start: How Activists and Foundations Can Champion Battery Storage to Recharge the Clean Energy Transition
April 16, 2018 by Lew Milford, Robert Sanders, Seth Mullendore, Todd Olinsky-Paul

This report explores the top 10 emerging trends for battery storage across all elements of the energy system, and recommends over 50 actions that should be taken to accelerate battery storage in these topic areas.

Valuing the Resilience Provided by Solar and Battery Energy Storage Systems
January 30, 2018 by Joyce McLaren, Seth Mullendore

Researchers from NREL and Clean Energy Group found that placing a monetary value on the ability of solar+storage to avoid losses during grid outages can significantly impact project economics and system design.

Identifying Potential Markets for Behind-the-Meter Battery Energy Storage: A Survey of U.S. Demand Charges
August 24, 2017 by Joyce McLaren, Seth Mullendore

First public survey of utility rates details economic potential for commercial behind-the-meter battery storage market across the United States.

An Introduction to Demand Charges
August 24, 2017 by Seth Mullendore

This fact sheet contains some additional background information on demand charges and the relationship and interaction between demand charge expenses and energy storage.

Comments of Clean Energy Group on MA DOER Energy Storage Target Docket
May 31, 2017 by Lew Milford, Seth Mullendore, Todd Olinsky-Paul

Clean Energy Group submitted comments to the Massachusetts Department of Energy Resources as part of the pending rulemaking docket regarding whether to set a utility energy storage mandate or target, and at what size.

Solar Risk: How Energy Storage Can Preserve Solar Savings in California Affordable Housing
May 17, 2017 by Seth Mullendore, Wayne Waite

A new analysis finds that energy storage can effectively hedge against proposed changes to California’s solar policies and utility rates that could drastically reduce the value of solar.