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.
What you'll cover
Work through in order or jump to what you need. 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 minThe Project Lifecycle
Development, procurement, construction, commissioning, and commercial operation — what happens at each phase, who is involved, and common risks.
25 min · Coming soonGrid Compliance & Safety
Grid connection requirements, grid codes, fire safety, thermal runaway, insurance, fire response strategies, EU Battery Regulation, NIS2, and regional differences.
30 min · Coming soonWhat Makes a BESS Project Bankable
Technical, commercial, and safety bankability — supplier credibility, revenue certainty, insurance, certification. The concept that ties everything together.
25 min · Coming soonEnd of Life & Recycling
Decommissioning, second life, recycling obligations, EU Battery Regulation end-of-life requirements. Completes the full BESS lifecycle from development to disposal.
20 min · Coming soonGo deeper
After the fundamentals, explore specialist guides on standards, regulations, and technical procedures.
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.
Get notified when new modules drop.
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Start with Module 1 — it's free.
No account needed. No credit card. Get full access to all modules.