Speak the language of BESS fluently
Cell chemistry, PCS, BMS, EMS, fire safety, bankability — understand every acronym in any project meeting.
Grid-Scale Battery Energy Storage. Built the way it actually gets deployed.
207 lessons. Nearly 15 hours. Built by a Director of Product Engineering, not a textbook author. From cell chemistry to grid revenue — everything you need to understand how utility-scale BESS gets built, financed, and deployed.
4.6 Rating
2000+ Students
15h Of video
Bestseller Udemy
Sergey Syrvachev Director of Product Engineering / BESS
Course pathway
From foundation to engineering depth.
Start with the full grid-scale BESS guide, then go deeper into the electrical and operating foundations as the next course launches.
02 / courses
Fundamentals Available now
Grid-Scale BESS Guide
The complete foundation - from cell chemistry to grid revenue. Batteries, enclosures, PCS, controls, safety, project finance, and how BESS actually makes money.
11 sections · 207 lessons · 14h 56m View course
Fundamentals Coming soon
BESS Engineering Foundations
The engineering layer under the foundation - energy and power language, DC & AC fundamentals, the battery operating window, degradation, the PCS and transformer interface, P-Q capability, and round-trip efficiency.
11 sections · 99 lectures Preview curriculum
The Problem
The BESS industry is growing 30% annually. Most professionals are learning on the job.
Battery energy storage has gone from niche to critical infrastructure in under five years. Utilities are deploying gigawatt-scale projects. Developers are racing to interconnection queues. Investors are committing billions.
The reason the work still feels harder than it should is simple: there is no shared body of structured knowledge. Vendor marketing oversimplifies. University courses are years behind. Practitioners shipping real projects rarely have time to teach.
This course closes that gap.
What you'll learn
Six things you'll be able to do.
Practical fluency across the technical, commercial, and bankability decisions that show up in real storage projects.
06 / outcomes
Read a BESS datasheet like a senior engineer
PCS specs, PQ curves, derating, transformer selection — know what matters and what vendors hope you will not ask about.
Understand how BESS projects get financed
SPVs, PPAs, capital stacks, bankability — see what makes lenders say yes, and the deal-breakers that kill projects.
Navigate the controls hierarchy with confidence
BMS, PPC, EMS, SCADA — know which layer does what and how a grid signal reaches a battery cell.
Evaluate revenue stacking strategies
Energy, capacity, ancillary services — understand how a battery actually makes money across markets.
Avoid the mistakes that kill BESS projects
Fire safety, augmentation, bankability gaps — learn from real failures and project deal-breakers.
What's inside
The complete curriculum.
11 sections, 207 lessons, and 14h 56m of video. The page below keeps the structure tight; Udemy has the full lesson list and player.
11 / sections
11Sections
207Lessons
14h 56mOf video
01 Meet Your Instructor & Course Roadmap What you'll learn, how the course is structured, and who built it.
- Welcome: What This Course Will Give You
- Course Roadmap: Your Complete Learning Path
- Disclaimer
- Instructor introduction
- Sample lessons — full module (4 lessons / 9m) on Udemy
02 Why BESS? Why Now? Why You? The forces reshaping energy markets and careers.
- The Big Picture: From Battery Cells to Energy Markets
- Energy Is the New Tech: Why Big Tech Is Hiring Energy Professionals
- The Perfect Storm: 4 Forces Driving Battery Storage Growth
- Proof of Concept: Real BESS Projects Delivering Real Results
- Sample lessons — full module (11 lessons / 1h 6m) on Udemy
03 BESS Electrical Foundations Bootcamp Core electrical concepts every BESS professional must know.
- Why Electrical Foundations Matter for BESS
- AC vs. DC Explained: Two Languages of Electricity
- How Power & Energy Flow Through a BESS Energy Station
- BESS Abbreviations Cheat Sheet: BMS, PCS, EMS & More
- Sample lessons — full module (18 lessons / 1h 17m) on Udemy
04 Inside the Lithium-Ion Battery Cell Chemistry, design, manufacturing — how batteries actually work.
- Inside a Lithium-Ion Cell: Anode, Cathode, Separator & Electrolyte
- LFP Batteries Explained: Why They Dominate BESS Today
- Cell Form Factors: Prismatic vs. Cylindrical vs. Pouch
- Inside a Gigafactory: Battery Factory Layout & Scale
- Sample lessons — full module (24 lessons / 2h 4m) on Udemy
05 BESS Enclosures: From Cells to Container Systems Modules, racks, thermal management, fire safety, system design.
- Battery Modules: Standards and Serviceability
- Battery Racks: Stacking Modules Safely at Scale
- Inside a BESS Container: Key Components & Layout
- BESS HVAC & Thermal Management Systems Explained
- Sample lessons — full module (14 lessons / 1h 34m) on Udemy
06 Power Conversion Systems & Grid Connection PCS inverters, transformers, MV switchgear — where DC meets the AC grid.
- Why the PCS Is the Heart of Every BESS Project
- BESS Power Chain: From Battery DC to Grid AC
- PQ Curves & Inverter Derating
- MV Switchgear & RMU: Protection and Grid Interconnection
- Sample lessons — full module (12 lessons / 1h 0m) on Udemy
07 BESS Controls Architecture: BMS, PPC & EMS The three-layer control hierarchy that runs every battery storage plant.
- BESS Control Architecture: Overview
- BMS, PPC, EMS, SCADA Explained in Plain English
- Command Flow: How a Grid Signal Reaches a Battery Cell
- Fast Frequency Response: The 180-Millisecond Breakdown
- Sample lessons — full module (20 lessons / 1h 31m) on Udemy
08 BESS Hot Topics: GFM, Noise, Fire Safety, Augmentation, Bankability Six critical topics every senior BESS professional needs to understand.
- Grid-Forming Inverters: Why the Grid Needs a New Kind of Power Source
- BESS Noise Modeling, Simulation & Field Testing
- Explosion Protection in BESS: NFPA 68 & NFPA 69
- Bankability Recap: Banks Finance Risk Structures, Not Batteries
- Sample lessons — full module (57 lessons / 3h 33m) on Udemy
09 BESS Project Development & Finance How utility-scale battery storage projects get permitted, financed, and built.
- Project Finance Structure: SPV, Contracts & Cash Flows
- Sources of Capital and Capital Stack
- BESS Development Stages: From Concept to Construction
- Why the Bank Says No: Common BESS Deal-Breakers
- Sample lessons — full module (18 lessons / 56m) on Udemy
10 How Battery Storage Makes Money Energy markets, ancillary services, revenue stacking, and real revenue data.
- Merit Order Explained: How Electricity Prices Are Set
- Energy, Capacity, and Ancillary Services
- Revenue Stacking: Why Multi-Service BESS Projects Win
- Real BESS Revenue Data: CAISO vs. ERCOT Comparison
- Sample lessons — full module (19 lessons / 1h 13m) on Udemy
11 Beyond Lithium-Ion: Alternative Storage Technologies Flow batteries, pumped hydro, compressed air, hydrogen, gravity, and more.
- The Energy Storage Family Tree
- Flow Batteries Explained
- Pumped Hydro: The Oldest and Largest Storage Technology
- Final Recap: BESS Is Great — But the Grid Needs a Team
- Sample lessons — full module (10 lessons / 26m) on Udemy
Coming soon
BESS Engineering Foundations.
The engineering layer beneath the foundation course: energy and power language, DC and AC fundamentals, the battery operating window, degradation, the PCS and transformer interface, P-Q capability, and round-trip efficiency.
99 / lectures
11Sections
99Lectures
SoonIn production
01 BESS Language: Energy, Power, MW, MWh and Duration Why a '100 MW battery' is an incomplete spec - and what an engineer says instead.
02 Voltage, Current, Resistance, Heat, and AC/DC The full electrical toolkit - DC and AC fundamentals, plus current as the hidden enemy.
03 Battery Architecture and Operating Window How a cell becomes a 5 MWh container - and how that container is actually used.
04 Degradation, Resistance Growth and End of Life What an aging curve actually promises - and what it deliberately leaves out.
05 AC Interface: PCS, Three-Phase Power, Transformers and POI The grid side of BESS - opens with a level shift, ends with verification on site.
06 P, Q, S, Power Factor and MVA Headroom Where the inverter datasheet starts making sense.
07 P-Q Curve Foundations Per-unit, the P-Q plane, the MVA circle, sign conventions - the theory before the quadrants.
08 Four-Quadrant BESS Operation The four quadrants in practice - what each one means, what it earns, what goes wrong.
09 RTE Foundations: Boundaries, Gross/Net, One-Way vs Round-Trip The mental model and definitions before the loss calculation begins.
10 BESS Losses, RTE Calculation and Lifetime Effects Every loss in the chain, the stack calculation, and what happens over 20 years.
11 Bonus - Grid Context, Project Structure, Glossary and Course Recap Optional supplementary content - industry orientation, a course-wide glossary, and a closing recap.
Who this is for
Built for everyone who needs to understand BESS.
04 / audience
Engineers entering BESS
Coming from solar, wind, power electronics, or another technical field? Get the BESS-specific foundation you can't find in datasheets and YouTube videos.
Senior engineers & PMs
You already know power systems or energy products. This course fills the BESS-specific gaps so you can lead projects with confidence from day one.
Developers & financiers
You're evaluating BESS projects but need to understand the technology and bankability deeply enough to make billion-dollar decisions.
Executives & decision-makers
Understand the technology your team is shipping or buying — without going back to engineering school.
This course is for you
- You want structured knowledge instead of fragmented YouTube tutorials
- You are working in or moving into utility-scale battery storage
- You need to understand both the technology and project finance
- You learn best from real practitioners, not academics
- You want to avoid the mistakes that kill BESS projects
This course is not for you
- You are looking for vendor sales pitches or marketing fluff
- You need a deep electrochemistry PhD course
- You want shortcuts without understanding the why
- You are already a 10-year BESS veteran
- You are only interested in residential or behind-the-meter storage
Instructor photo / Sergey Syrvachev The instructor
Built by a Director of Product Engineering, not a textbook author.
I'm Sergey Syrvachev. I've spent 15+ years in energy and product engineering, 13 of them in product management, the last 5 in clean energy, building BESS, inverter, and EMS product lines from cell chemistry to grid integration.
This course is everything I wish I had when I started in BESS — structured, practical, and grounded in real projects, not theory.
- Director of Product Engineering, grid-scale BESS at HyperStrong
- 15+ years in energy and product engineering (13 in product management, 5 in clean energy)
- Built a BESS configuration toolset from hours to 15 minutes
- LinkedIn Top 1% Energy Voice
- PMP, PSM I, PSPO, Lean Six Sigma Black Belt
Student reviews
What 2000+ students are saying.
Average rating 4.6 / 5 from 200+ verified Udemy reviews.
4.6 / rating
★★★★★
Sergey has created an excellent, in-depth course that explains the science of BESS technologies and the benefits and practical challenges of real-world BESS applications. His depth of experience with battery storage technologies is clearly evident.
★★★★★
I highly recommend this course to anyone working in or entering the BESS field. The author brings strong practical expertise and real-world experience from leading BESS companies.
★★★★★
Great course with a solid balance between fundamentals and practical insights. The content is clear, well-structured, and very relevant to real-world BESS applications.
Questions
Frequently asked questions.
FAQ / course
How long does the course take to complete?
The full course is approximately 15 hours of video across 207 lessons. Most students complete it in 2-4 weeks, working through 1-2 hours per evening. You have lifetime access, so you can move at your own pace.
Do I need an electrical engineering background?
No. The course starts with electrical foundations, from Ohm's Law to AC/DC, power vs energy, and grid basics. If you are an engineer or technical professional from any field, you will have what you need.
Is this for utility-scale BESS or behind-the-meter storage?
This course focuses on utility-scale, grid-connected battery energy storage — typically 1 MWh and above. Many concepts apply more broadly, but the depth is tuned for grid-scale projects, finance structures, and engineering decisions.
Will the course be updated as the industry evolves?
Yes. Recent updates include 2026 NFPA 855 changes, large-scale fire testing requirements, and grid-forming inverter content.
Do I get a certificate of completion?
Yes. Udemy issues a certificate of completion when you finish all lessons. Many students add it to LinkedIn to signal BESS knowledge to employers and clients.
What if it is not right for me?
Udemy offers a 30-day money-back guarantee. Try the course, and if it is not a fit, you can request a refund through Udemy.
Ready to start?
Start understanding BESS the way it actually gets built.
207 lessons. Nearly 15 hours of video. Lifetime access. Built from real projects. Backed by a 30-day money-back guarantee.