AscendRenewable Energy
Commercial ESS Policy, Design & Cost - 1hr
A practical guide in navigating the commercial ESS landscape.
About this course
Commercial ESS Policy, Design & Cost is a vendor-neutral continuing education program designed to prepare solar and electrical contractors for commercial energy storage projects. The program provides foundational knowledge of how commercial ESS systems are structured, sized, and interconnected — covering tax policy, equipment selection, system design, and load-side backup strategy. This program bridges the gap between residential installation experience and the commercial market by teaching contractors how commercial rate structures, building configurations, and client priorities differ from residential applications. The curriculum focuses on supply chain policy, inverter and battery design fundamentals, optimal system sizing, load-side interconnection strategy, and economic value stacking.
What you'll learn
- Understand how domestic content requirements and supply chain origin affect tax credit eligibility and project economics.
- Learn how to structure solar and battery contracts to maximize Investment Tax Credit qualification.
- Gain foundational knowledge of commercial inverter configurations and battery form factor selection for different site conditions.
- Identify the critical differences between residential backup logic and commercial ESS interconnection strategy.
- Apply reverse economies of scale principles to size systems for optimal payback rather than maximum capacity.
- Execute a load-side interconnection using existing sub-panels to deliver both peak shaving and essential-load backup.
- Stack economic and resilience value streams to access a broader commercial customer base.
Meet your instructors
JC
Solar & Storage Instructor
John-Ross Cromer is a University of Pennsylvania-trained Mechanical Engineer, Master Electrician, and NABCEP Certified PV Installer with 12 years of experience designing and installing solar and storage systems. Having worked across Fluor Corporation, Fortress Power, and EG4 Electronics, John brings deep industry knowledge to every lesson - from system design fundamentals to real-world constructability. He is also the published author of Solar Power Design and Development and the developer of PVBatts.com, a battery sizing tool used by solar professionals nationwide.
This course includes:
- 1 hr of live course material
- Certificate of completion
- 1 NABCEP CEU
