B2BEmersonEIMS serves commercial, industrial, healthcare, telecom, hospitality, government & contractor clients.• Engineering-led • SLA-backed • Documented commissioning
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Generator supplier and power solutions provider in South Sudan. Essential backup power for businesses, NGOs, and government institutions.
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Site conditions · Bor, South Sudan
Elevation
429 m
lowland
Design ambient
39 °C
mean max 34.7 °C
Altitude derate
1.3%
output lost to thin air
Combined derate
6.9%
100 kVA ≈ 93 kVA here
At 429 m, altitude costs Bor nothing. Heat costs it 5.6%. A 39 °C design ambient against the 25 °C an engine is rated at leaves the radiator far less temperature difference to reject into.
So 100 kVA becomes roughly 93 kVA on a 39 °C afternoon — exactly when Bor is drawing most. What fails here is rarely the engine: it is cooling packs sized for a cooler day, canopies recirculating their own hot air, and batteries aged out early at 34.7 °C.
23.6 °C to 34.7 °C. A 11.1 °C cycle is enough to loosen connections within a year or two in Bor. The intermittent faults that follow get misread as controller trouble; they are almost always a terminal needing re-torquing.
Bor is roughly 1027 km north-west of our base at Embakasi, Nairobi, in a straight line and across a border. At 1027 km, mobilisation is a real line in any Bor quotation, and a machine waiting on a travelling part waits days, not hours. Hold a critical kit on site — filters, belts, an AVR, injectors — rather than ordering per failure.
Elevation: Open-Meteo Geocoding API (GeoNames elevation), retrieved 2026-08-26. Temperature: Open-Meteo Archive (ERA5 reanalysis), 2025 daily maxima and minima. Derate figures are planning estimates using standard corrections (approximately 1% per 100 m above 300 m; 2% per 5 °C above 25 °C); final sizing follows the engine manufacturer’s own derate tables for the set proposed.
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