we are hiring!

Ready for a new opportunity? Check out our latest job posting in workforce development on the Central Coast

Grow your skills

3C-REN’s summer training and event calendar is out now!

Office Hours with our building science pros; new dates scheduled through Nov. 2026!

Training on your schedule

Advance your skills with 3C-REN’s extensive library of on-demand trainings

Our Latest Blog

2025 Changes to CALGreen Nonresidential
EV Charging

Our Programs

3C-REN programs help reduce energy use in our region for a more affordable, healthy, resilient and sustainable community

Home Energy Savings

Incentives to lower the cost of residential energy improvements for healthier and more efficient homes

Commercial Energy Savings

Incentives to lower the cost of energy improvements for small and medium business owners

Energy code connect

Technical training and personalized coaching to help simplify the energy code

Building Performance Training

Expert instruction on the latest advancements and techniques in building science

Energy Assurance Services

Tailored energy audits for critical facilities within the tri-county region

Agriculture Energy Solutions

Site assessments, utility bill analysis, and incentive guidance for farmers

Electrification

Why is everyone talking about it?

Explore More

Learn more about our expert instructors

Explore our toolkits for Do-It-Yourself (DIY) home energy savings

Check out the complete archives of our Energy Code Connect blog

we are hiring!

Grow your skills

Training on your schedule

Our Latest Blog

Our Programs

Home Energy Savings

Commercial Energy Savings

Energy code connect

Building Performance Training

Energy Assurance Services

Agriculture Energy Solutions

Electrification

Explore More

What can we help you find?

Energy Assurance Services

Agriculture Energy Solutions