in thE business of building solutions and operational excellence for start-ups in the climate tech space.


CBJ Energy creates, manages, scales and operates successful business, services, and products in the climate tech space. CBJ Energy is a financing, business development and operations solutions firm with a track record of successfully launching and scaling businesses in the clean economy space and beyond.  Claire Broido Johnson, whose distinguished career spans clean energy, finance, government and successful start-ups, leads the company and has a history of driving significant changes in critical industries. .

Claire is a Co-Founder of SunRock Distributed Generation and became President in June 2024, which is where she currently spends her time.

CBJ Energy develops and supports early stage start ups with business development, operations, and fundraising. CBJ also finances renewable and energy efficiency projects.  We work with financers, contractors, developers, integrators, and building and land owners to retrofit commercial buildings, install renewables and storage, and update businesses and services. Our clients have included: Inclusive Prosperity Capital, Katerra,  Power52 Energy Solutions, Next Step Living, Thread, and Baltimore City Public Schools.  

Claire spent 2019-2022 as the Managing Director of Maryland Momentum Fund where she invested in 32 Maryland headquartered start-ups across all industry verticals in support of building the entrepreneurial community in Maryland. 4 have since had successful exits as of 2026.

Claire has spent her career supporting early stage start-ups solving our climate change problems,including as Co-Founder of SunEdison and currently is acting as an Advisor to Kanin Energy, H-L Ventures, and as an investor in Generate Capital, and Powerhouse Fund.

Claire and Dan Kammen, Bloomberg Distinguished Professor at Johns Hopkins host a podcast called Energy Matters with Claire and Dan, which you can find anywhere you find your podcasts.