GreenEdge: Best in BESS - ENG
by jerzykuzminski
Latest episode
20: From Energization to COD
20: From Energization to COD
About this podcast
A podcast about battery energy storage and the Polish renewable energy market — no marketing fluff, just real examples and verified information.
We cover the entire BESS project lifecycle: development, permitting, EPC, commissioning, optimization, and O&M. Benefits, risks, real costs, investor mistakes, and how to spot a reliable contractor.
Universal BESS insights plus Polish market specifics — for investors entering storage business or companies looking to cut energy costs with C&I solutions.
Hosted by Jerzy Kuźmiński
Episodes
- 20: From Energization to COD · 28 minPolish storage projects are moving from development into execution, and the market is not ready for it. In the twentieth episode of GreenEdge - Best in BESS, I go through…
- 19: Balancing Market Qualification in Poland · 32 minThe storage system has passed its tests at takeover, the contractor has left the site, the optimiser is waiting for data, and the balancing revenue that the financial model…
- 18: Battery Recycling Obligation in Poland · 26 minWho is the producer of the batteries in your BESS project? Most investors would point to the cell manufacturer in China or the integrator whose logo is on the container. Under…
- 17: The EPC Contract in Poland · 29 minEPC Contract for your BESS Project is not something that you will sign within a week or two. There are tens of pages of provisions that someone needs to verify and adjust to your…
- 16: Due diligence of a BESS Project · 25 minBuying a ready-to-build BESS project or developing one from scratch is where the most expensive mistakes happen. A battery container can be compared on a spec sheet, but a…
- 15: Price Arbitrage - Foundation or Supplement to the BESS Revenue? · 28 minDay-ahead and intraday markets are where a battery storage system earns money by buying electricity cheap and selling it expensive. It sounds simple, but the practical questions…
- 14: LTSA - Contract Without Obligations · 34 minIn episode fourteen of Best in BESS, I open up a real LTSA package from several large, globally recognized BESS suppliers and show exactly where the numbers disappear — clause by…
- 13: Owner's Engineer on BESS Project · 37 minThe market is speeding up. More tenders, more conversations, more investors who, after months of just watching the market, suddenly have a budget and want to move. And that's…
- 12: Ancillary Services: FCR, aFRR, mFRR · 29 minFCR, aFRR, and mFRR are three different products — not three names for the same thing. Each one works differently, has different technical requirements, a different revenue…
- 11: Entering the Balancing Market in Poland · 32 minIn this episode we walk you through everything that stands between a commissioned BESS project and its first revenue from ancillary services: the regulatory structure of the…
- 10: BESS Project Financing · 27 minYou can have the right location, a solid grid connection agreement, a credible supplier, and an experienced EPC on the shortlist. None of that matters if the financing doesn't…
- 09: The EPC Tender - Selecting the right Contractor · 31 minYou have your permits, your equipment order, and your grid connection agreement. Now you need someone to actually build the thing. And this is where a lot of projects go wrong —…
- 08: NIS2 and Cybersecurity in BESS Project · 26 minOn the 19th of February 2026, Poland signed the amended Act on the National Cybersecurity System — the Polish implementation of the EU NIS2 Directive. For BESS investors and…
- 07: SGU - Significant Grid User · 32 minIn September 2025, for the first time in Poland's history, battery energy storage systems were included on the SGU list — Significant Grid Users. If you are developing or…
- 06: Choosing a BESS Supplier · 26 minYou've developed your project, secured the permits, and now you need to buy the system. And this is where a lot of investors — including experienced ones — discover they weren't…
- 05: How to Develop a BESS Project in Poland · 27 minDevelopment is where most BESS projects succeed or fail — not on the construction site, but in the eighteen to twenty-four months before a single container arrives. In this…
- 04 - UC84 - Poland's New Grid Connection Rules · 28 minOn April 15, 2026, Poland published UC84 in the Journal of Laws — a comprehensive amendment to the Energy Law that fundamentally changes how grid connections work. The law enters…
- 03: C&I Energy Storage · 28 minC&I storage is not just small cabinet systems — we're talking about containerized solutions of several megawatt-hours that can fundamentally change how your business operates…
- 02: What's Really Inside a BESS Container? · 29 minFrom the outside, a battery container looks simple — just a box. But what's inside determines whether your investment performs for fifteen years or starts causing problems after…
- 01: What is BESS and Why Poland · 31 minThe first episode of the English edition of Best in BESS — a podcast for international investors and developers exploring the Polish battery energy storage market. Poland has…
