Bloom Energy Server ES-5700
325 kW solid oxide fuel cell energy server for data center primary and backup power. ~54% electrical efficiency, native 800VDC output, 99.999% availability.
Overview
The Bloom Energy Server ES-5700 is a next-generation solid oxide fuel cell (SOFC) power generation platform delivering 325 kW of clean, reliable electricity per module. Designed specifically for data center and mission critical applications, the ES-5700 features ~54% electrical efficiency — among the highest in the fuel cell industry. Its native 800 VDC output eliminates the need for traditional UPS systems in AI data center architectures. With 99.999% availability, it provides both primary power and backup capability in a single platform.
Technical Specifications
Basic Specifications
- Brand & Model
- Bloom Energy / ES-5700
- Rated Power Output
- 325 kW per module
- Output Voltage & Frequency
- Native 800 VDC (or 480V AC with inverter)
- System Efficiency
- ~54% electrical, 90%+ CHP
Transient Response & UPS Topology
- Topology Type
- Direct Current Primary Power + Backup
- Switchover / Transfer Time
- Instantaneous (always-on primary power)
- Fuel Cell Response Time
- ms-level load following (with supercapacitors)
Fuel & Hydrogen Infrastructure
- Hydrogen Purity Required
- Fuel flexible: H2, NG, Biogas
- Hydrogen Consumption Rate
- ~48 kg/hr at 100% load (H2 mode)
- Inlet Pressure Range
- 1 - 5 bar (depends on fuel)
- Fuel Cell Type
- SOFC (Solid Oxide Fuel Cell)
Environmental & Operational Data
- Acoustic Noise Level
- < 68 dB(A) @ 10m
- Operating Temperature Range
- -20°C to +45°C
- Footprint / Dimensions & Weight
- 3.0m × 1.8m × 2.5m per module / ~12,000 kg
- Heat Rejection / Cooling
- Air Cooled + Radiant
Compliance & Certifications
- CE Certification
- ✓ Certified
- UL Certification
- UL 2200
- NFPA 2 Compliance
- ✓ Compliant
- ISO Certification
- ISO 9001
Sustainability Impact & ROI
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