Mock 1 MW / 2 MWh BESS procurement estimate.
This case study shows how a small standalone BESS package can be structured for planning. The values use the low-case benchmark column from the workbook, but they are still indicative and can remain high on a per-item basis for small volumes.
Scenario
Low-case package
Scope
1 MW / 2 MWh
Use
Planning example
Illustrative low-case package
€870,000
Cost packages
11
BoQ detail lines
72
How to read this case study
The table is useful for planning conversations and BoQ structure. It should not be presented as a fixed market price or a guaranteed procurement offer.
Illustrative 1 MW / 2 MWh standalone BESS package
Uses the workbook Low EUR column as the low-case scenario
Not a supplier quote, not a final procurement offer
Small-volume line items can look high on a unit basis
Larger volumes and framework purchasing can materially reduce final unit cost
Illustrative package costs
Low-case package lines from the workbook.
These lines use the workbook's Low EUR values for the mock 1 MW / 2 MWh package. In real procurement, final cost depends on supplier, country, volume, delivery route, Incoterms, warranty, documentation and financing structure. Commercial use requires a supplier-backed procurement offer issued through the managed procurement desk.
| ID | Package | Scope | Qty | Illustrative Low EUR | Confidence | Notes |
|---|---|---|---|---|---|---|
| P01 | Integrated battery container / cabinets | Battery cells/modules/racks, BMS, enclosure/container, thermal management, fire detection/suppression as OEM-integrated scope | 2 MWh | €200,000 | Medium | Usually quoted as one OEM battery container package; price sensitivity mainly chemistry, warranty, usable vs nominal capacity and EU/China sourcing. |
| P02 | PCS / bidirectional inverter package | 1 MW PCS including enclosure/skid, controls, DC/AC protection interface, cooling and basic filters | 1 MW | €40,000 | Medium-Low | Grid-forming, black-start, advanced reactive power or higher grid-code testing may increase cost. |
| P03 | LV/MV transformer | Approx. 1.25 MVA step-up transformer, pad, oil containment if applicable | 1.25 MVA | €20,000 | Low-Medium | Dry-type / oil-filled, loss class, BESS duty cycle, noise and lead time drive variance. |
| P04 | MV switchgear, protection and revenue metering | MV switchgear/RMU, relays, CT/VT, meters, surge arresters and grid-interface cabinets | 1 lot | €20,000 | Low-Medium | Exact configuration depends on ATR, DSO metering rules and protection study. |
| P05 | EMS / SCADA / PPC / RTU / communications | EMS, plant controller, SCADA, HMI, RTU/gateway, network, cybersecurity and remote monitoring interface | 1 lot | €20,000 | Medium | Does not include sophisticated commercial optimizer or ancillary-services qualification package unless noted. |
| P06 | EBOS, auxiliary power, cabling, grounding | LV/DC/MV cabling inside site, trays/ducts, earthing grid, lightning protection, auxiliary transformer/panel, UPS | 1 lot | €25,000 | Medium-Low | MV cable length and route can quickly dominate this line. |
| P07 | Civil, site preparation, fencing and security | Surveys, grading, pads/foundations, access road/hardstanding, drainage, fence/gate, CCTV/lighting | 1 lot | €25,000 | Medium-Low | Very site-dependent: soil, drainage, fire access and distance to road matter. |
| P08 | Installation, FAT/SAT and commissioning | On-site structural/electrical labor, unloading, installation, tests, energization, commissioning and reliability run | 1 lot | €30,000 | Medium-Low | Union/local labor, crane needs, grid test scope and OEM supervision materially affect cost. |
| P09 | Engineering, permitting and interconnection studies | Electrical/civil design, studies, permitting documentation, protection settings, environmental/admin support | 1 lot | €20,000 | Medium-Low | Excludes external grid reinforcement, land rights, legal DD, ANRE fees and development premium. |
| P10 | Spares, warranty uplift and contingency | Initial spares, consumables, warranty/reserve allowances and contingency | 1 lot | €35,000 | Medium-Low | Can be negotiated into OEM warranty or EPC contract; augmentation not included unless specifically agreed. |
| TOTAL | Non-overlapping CAPEX subtotal | €435,000 |
Volume can change the economics materially.
These item values are useful as a conservative small-project planning benchmark. Larger procurement volumes, repeat orders, framework relationships, direct OEM allocation and optimized logistics can significantly reduce the final unit cost of several items. Treat this case study as a high-end unit-cost planning reference until supplier-backed offers are obtained.
Sample output