Telecom Center — 24 kW off-grid backup
📍 Mali, West Africa · 2025
Challenge
The telecom center suffered grid outages of 6–10 hours per day, putting voice and data services at risk for 200,000+ subscribers. Diesel genset OPEX was running at $4,200/month.
Solution
Hybrid system with 2× Deye SUN-12K-SG04LP3-EU inverters and 40 kWh of Deye BOS-G LiFePO₄batteries, N+1 redundancy, <20 ms automatic switchover.
Result
Uptime jumped to 99.98%. Energy cost cut by 73%. Projected ROI in 2.4 years. Zero outages since commissioning.