Flagship Project · Okpe LGA
Osubi 15 MW Solar + BESS
Utility-scale PV plant with 30 MWh battery storage, adjacent to Osubi Airport. The engineering & investment blueprint for Delta State's renewable rollout.
● PV Output 12.4 MW
● Battery SOC 88%
● Grid Export 9.8 MW
PV Capacity
15
MWp
Bifacial modules · single-axis tracker
Battery Storage
30
MWh
LFP · 4 h discharge
Annual Generation
24.6
GWh
P50 · 1,640 kWh/kWp
Grid Interconnect
33
kV
To Effurun feeder
Site Area
30
ha
Adjacent to Osubi Airport
CAPEX
$18.6
m
EPC turnkey
LCOE
6.4
¢/kWh
25-yr levelised
Payback
7.2
yrs
At PPA $0.095/kWh
Digital Twin
Site components
Every element of the plant, modelled.
▦
PV Array
42,000 bifacial modules on single-axis trackers.
◨
BESS
6 × 5 MWh LFP containers with liquid cooling.
⚡
Inverter Skids
15 × 1 MW string inverters, N+1 redundancy.
⌸
MV Substation
33/11 kV step-up with SCADA & protection.
▤
Control Building
Operations centre, SCADA, cybersecurity.
☺
Visitor Centre
Public education & MORE Agenda showcase.
▣
Perimeter Security
Fence, CCTV, thermal + AI intrusion detection.
═
Access Road
All-weather laterite road with drainage.
24-hour power flow simulation
Modelled generation, self-consumption and grid export across a typical Osubi day.
Battery cycling
State of charge over 48 hours — one full daily cycle.
Round-trip η
88%
Cycles / yr
365
Design life
15 yrs
Impact
What 15 MW delivers to Delta State
Homes powered
18,500
Businesses served
1,240
Schools
86
Hospitals
14
Jobs (construction)
420
Jobs (O&M)
45
Diesel displaced
7.4
M litres/yr
CO₂ avoided
24,800
tCO₂e/yr