Application
Hydrogen Power Units for Telecom and Mobile Power
The Challenge
Telecom networks depend on diesel generators to power off-grid and weak-grid cell sites, but operators consistently struggle with:
- Refuelling logistics — remote sites may require weekly diesel deliveries on poor roads, at high cost and with supply risk.
- Theft and tampering — diesel tanks at remote sites are frequent targets; fuel loss directly threatens availability.
- Noise and emissions — urban sites and residential neighbours increasingly restrict generator run time.
- Maintenance burden — diesel engines need frequent servicing, while network uptime targets of 99.99% leave little room for generator downtime.
The Hydrogen Solution
- Compact PEM fuel cell generators — 1–10 kW units sized for typical site loads, often paired with a battery buffer for load transients.
- Long autonomy from stored hydrogen — high-pressure cylinders or small tanks deliver days of run time without refuelling.
- Silent and zero-emission — ideal for urban and residential-adjacent sites; no exhaust or fuel odour.
- Low maintenance and remote monitoring — fuel cells run thousands of hours between services, and status can be monitored over the network itself.
Deployment Thinking
A typical off-grid macro site draws 2–5 kW average. A 5 kW PEM generator with a battery buffer and hydrogen storage sized for 72 hours of autonomy replaces the diesel genset and its weekly refuelling run. For temporary events, disaster response or temporary network densification, containerised mobile hydrogen generators can be trucked in, connected and running within hours — with no fuel spill risk on site.
Selection Advice
- Load profile and autonomy — measure real site consumption; size the generator for average plus headroom and storage for required autonomy days.
- Environment — verify the unit's operating temperature range and enclosure rating for the site's climate.
- Remote management — choose units with telemetry and remote start/stop to protect network uptime.
- Fuel logistics — compare delivered-cylinder services versus on-site storage; ensure purity meets the stack requirement.
- Service network — confirm the supplier can reach remote sites and support within your SLA.