
Celebrating 20 years of connecting California’s public-sector leaders with sustainability solutions
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Decarbonization at Scale: Transforming Our Public Built Environment
Date: September 16, 2026
Time: 11:00 AM – 12:00 PM
Ballroom F
The State of California developed a plan to decarbonize state operations of its 110 million square foot building portfolio by 2035 in compliance with new state law. Working with Glumac Engineers, small and large state building portfolios and their energy uses were analyzed and evaluated to develop a plan, strategies and investments needed to guide 35 state agencies toward zero emissions. These strategies and approaches can also be used by other building portfolio owners, from small campuses to large and diverse building portfolios. Learn about the development of a decarbonization roadmap for California’s extensive state portfolio, encompassing over 18,000 buildings and more than 110 million square feet. This session will provide attendees with a comprehensive understanding of the key impacts, factors, and processes necessary to successfully develop a portfolio-scale decarbonization plan. We will share insights from this collaborative work, highlighting examples and lessons learned. These strategies and processes can help all building portfolio types better understand measures and strategies toward removing emissions from their building operations.
LEARNING OBJECTIVES
Attendees will:
- Identify key impacts, factors & processes to help large and small building portfolio owners successfully develop a portfolio-scale decarbonization plan
- Learn how to break down evaluation of complex systems and project implementation decisions into simple and manageable steps.
- Learn how to use existing data to find challenges and opportunities and to drive measurable progress.
- Learn how to create a project approach that is both consistent and flexible, so it works across different types of buildings and situations.
Speakers:
Dan Burgoyne, Sustainability Manager, California Department of General Services
Cassidy Zublin, Energy Consultant, Glumac

