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Kenya-specific economics calculator for Nairobi, Mombasa, Kisumu, and other KPLC distribution areas. Kenya is Africa's most institutionally favourable residential solar market β operational 1:1 net-metering means exported kWh has the same value as self-consumed kWh, zero-rated VAT on solar equipment, nil EAC import duty, and cool central-highlands climate provides PV temperature performance advantages.
For full deployment context see the Kenya country guide covering EPRA rules, KPLC tariffs, and EAC supply chain via Mombasa-Nairobi corridor.
Typical Nairobi middle-class: 300-600 kWh. Premium suburb: 700-1,200 kWh. Apartment: 150-300 kWh.
Current marginal bracket: 301-600 kWh at KES 25.08/kWh
Nairobi central-highlands annual generation ~1,600 kWh/kWp (cool-climate yield advantage). 4 kWp β 6,400 kWh/year β 530 kWh/month.
Kenya 1:1 net-metering means exported kWh has same value as self-consumed kWh β sizing is less critical than markets without 1:1 net-metering.
Estimated system cost: ~USD 6,500 (~KES 845,000).
Payback period: ~6.0 years.
Kenya structural advantages: 1:1 net-metering (exported kWh = same value as self-consumed), zero-rated VAT on solar equipment, nil EAC import duty, cool central-highlands climate (PV temperature performance better than coastal/lowland markets), and EPRA institutional maturity. Result: Africa's most institutionally favourable residential solar market.
Battery and inverter decision matrices for the broadly-distributed African product set.