Battery Energy Storage Systems
The BESS course
that didn't exist.
The structured onboarding the industry never built — from technology and commercial models to project delivery and compliance. Built for anyone entering or growing in the BESS industry.
By engineers who have delivered GWh of utility-scale BESS projects.
The Utility-Scale BESS Course
From development to commercial operation — 8 modules. Module 1 is free.
BESS 101 — What is a Battery Energy Storage System?
What is BESS and how does it work? A clear introduction to utility-scale battery energy storage — what it is, why it exists, how it generates revenue, and where the industry is heading.
10 minBESS Technology Stack — DC Blocks, PCS, Transformers & Power Plant Controllers
The equipment and technology of a utility-scale BESS plant. DC blocks, PCS, AC blocks, MV infrastructure, HV substations, and the control stack explained.
25 minBESS Value Chain — Who Does What in Energy Storage Projects
The key stakeholders in a utility-scale BESS project — developers, EPCs, manufacturers, asset owners, service providers, RTM providers, lenders, and insurers.
25 minHow BESS Makes Money — Revenue Streams & Market Mechanics
How utility-scale BESS generates revenue from FCR, FFR, aFRR, energy arbitrage, and capacity markets. Revenue stacking, market evolution, and net revenue factors.
20 minBESS Project Lifecycle — Development, Construction & Commercial Operation
BESS project lifecycle — how utility-scale battery projects move from origination through financing, construction, commissioning, and commercial operation.
35 minBESS Fire Safety & Grid Compliance — UL 9540A & Grid Codes
Fire safety and grid compliance for utility-scale BESS — thermal runaway, UL 9540A, NFPA 855, grid codes, fault ride-through, and plant classification.
35 minBESS Project Bankability — Lenders, Tier Lists, Guarantees & Insurance
How lenders, manufacturers, EPCs, BNEF Tier lists, guarantees, and insurance together decide whether a BESS project gets built.
30 minBESS End of Life & Recycling
How the EU Battery Regulation applies to utility-scale BESS — end-of-life triggers, producer responsibility, recycling targets, and the battery passport.
25 minGo deeper
Beyond the course, explore specialist guides on standards, regulations, and commercial practices.
Browse Specialist Guides →Who it's for
The BESS industry is growing fast. The structured onboarding didn't exist — until now.
Career switchers
Coming from solar, wind, oil & gas, or electrical engineering? BESS has its own vocabulary, mental models, and commercial logic. This course closes the gap.
New hires
Just started at a BESS company? Get the foundation that makes you effective from day one — instead of spending months piecing it together on the job.
Teams & managers
Onboarding new team members into BESS? Use learnBESS as structured training — so they're productive from week one, not month three.
Industry professionals
Already working in BESS? Specialist guides cover standards, regulations, and compliance topics that cut across roles — from engineering to procurement to legal.
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Start with Module 1 — it's free.
No account needed. No credit card. Get full access to all modules.