N+1 or 2N thinking
Single-set “hope” fails SLA math. Design redundancy before you pick a pretty canopy colour.
Cost of downtime
R120,000–R1m+
indicative exposure per serious outage hour
SLA credits are a generator specification
When racks go dark, you do not lose “a bit of productivity” — you burn service credits, customer trust and sometimes contract term. The CFO already prices that risk; generation is how you cap it.
Even a boutique colocation hall can face six-figure credit exposure plus emergency truck-roll costs. A paralleled pair of mid-to-large AGP sets is usually cheaper than a single avoidable SLA event in a bad grid year.
Data centre and telecom generator solutions focus on redundant diesel frames, UPS coordination, clean step-load behaviour and proving under load bank. AGP Generators supplies AGP industrial sets for edge sites through enterprise halls, commonly 100 kVA to 1000 kVA with options to parallel. Silent or containerised packages address urban noise rules while maintaining maintenance access and fuel endurance matched to your runbook.
See recommended sizes for this sector: 100 kVA generators, 250 kVA generators, 500 kVA generators and related case studies.
Then plan delivery, support and finance: our delivery process, warranty terms, finance and leasing and generator installation and compliance guide.
What this sector needs from generation
Specification themes we see repeatedly when data centres & telecoms operations size diesel power correctly the first time.
UPS input harmony
Generator must accept UPS rectifier characteristics without hunting or nuisance trips.
Step load & block load tests
Commission with recorded load steps that mirror real rack diversity, not a gentle ramp only.
Fuel & refuel logistics
Multi-day grid events need tankage, polishing and supplier SLAs — not a jerry can plan.
Remote monitoring
Controller telemetry into NOC tools turns generation into an operated system, not a forgotten asset.
Maintenance windows
Hot-standby pairs allow service without entering unprotected risk.
Recommended kVA bands
Starting points — final size follows a measured or listed load profile.
Typical loads in this sector
IT racks / UPS inputPrimary critical load
CRAC / CRAH unitsOften largest kW
ChillersStaged start essential
Network coreUPS tier-0
Security & accessAlways-on
NOC lightingEssential board
Fire / VESDA systemsLife safety
Fuel transfer pumpsKeep sets fed
Field note
Telecoms
Edge site held LTE sector through overnight feeder fault
A regional MNO edge node with a maintained AGP silent set and dual-path ATS rode through a night-long municipal fault. Avoided customer credits and truck rolls exceeded the annual maintenance contract value before sunrise.
Related kVA guidanceCompliance and site requirements
Expect SANS-compliant LV work, coordinated protection with UPS and switchgear, acoustic limits for urban edges, bunded fuel, fire strategy integration and change control for any paralleling scheme. Commissioning records and monthly load-bank evidence support customer audits. AGP documents sets for procurement and operates as the package supplier — engine brands inside describe the prime mover only.
Data Centres & Telecoms FAQs
Diesel dominates for multi-hour runtime, fuel logistics and industrial controllers. Petrol suits only the smallest portable temporary duties.
Many operators prove quarterly or semi-annually under contract; monthly no-load starts alone do not validate real capacity.
Paralleling likes matched controllers and carefully engineered share settings. We prefer planned matched pairs; mixed fleets need extra engineering review.
Park rules vary — provide dB(A) at 7 m data and plan barriers/exhaust early. Silent canopies are the default urban package.
Multiply realistic outage hours by SLA credit and emergency response cost, then compare to annualised generator ownership. That is an insurance calculation, not a facilities wishlist.