50 kW / 100 kWh Commercial Energy Storage System
A typical 50 kW PCS with 100 kWh battery cluster for commercial peak-shaving and backup.
Bill of Materials
| Equipment | Model | Specification | Qty | Price |
|---|---|---|---|---|
| PCS (Power Conversion System) | — | 30kW | 1 | Real-time quote |
| LiFePO4 Battery Cluster | — | 768V 100kWh 240S1P / 95% DoD / ~6,000 cycles | 1 | Real-time quote |
| BMS | — | cluster-level active | 1 | Real-time quote |
| ESS Prefab Enclosure | — | QDTB enclosure | 1 | Real-time quote |
| Fire Suppression | — | 3-level Novec1230 | 1 | Real-time quote |
| EMS / Monitoring | — | peak-shaving | 1 | Real-time quote |
| AC Cable | — | YJV 4x50 | 40 | Real-time quote |
Exact prices are calculated in real time by the instant selection and quote calculator — enter your actual parameters for a precise FOB quote.
Design Steps
1. Storage power: 50kW x 0.6 = 30 kW (PCS 30kW)
2. Storage capacity: max(30kWx2h, 100kWhx0.3) = 100 kWh (240S1P)
3. Battery life: ~6,000 cycles @ 95% DoD
4. Duration: ~ 3.3 h
5. Storage arbitrage (illustrative): usable 95 kWh/day × spread $0.060/kWh × 365 = $2,081/yr
6. Payback / IRR: 19.7 yr · IRR -10.8% (indicative, 10-yr life)
Design Notes
Pricing basis: BOM shows FOB equipment price (ex-works). Economic figures (LCOE/IRR/payback/DSCR) use an estimated turnkey cost that adds typical freight/duty and EPC/installation/soft costs — see Economic basis.
Payback period: ≈ 19.7 yr simple payback at $0.12/kWh tariff (full-cost basis).
Levelized cost (LCOE): $0.0989/kWh full-cost over a 25-year life (O&M + WACC + inverter replacement + module degradation included).
Battery life: 100 kWh at 95% DoD ≈ 6,000 cycles (~16 yr of daily cycling).
Storage duration: ≈ 3.3 h at rated PCS power — sized for peak-shaving / backup.
Note: Final system design must be confirmed by a licensed local engineer against site conditions and local grid codes.
Economic basis (indicative): Storage-only economics: indicative peak–valley arbitrage (spread = 50% of average tariff $0.12/kWh, 1 cycle/day, 95% DoD, 10-yr life). Not a bankable financing model.
Single-Line Diagram
Electrical Schematic
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