Akwa Ibom State

Rooftop solar in Ibeno, Akwa Ibom: what the roofs are worth

Ibeno has 12,646 buildings with a viable rooftop and 370 MWp of roof capacity. 55% run a generator, and together they spend ₦35.2bn a year on energy.

Viable buildings

12,646

Usable roof area

1.64 km²

370 MWp roof capacity

Energy spend

₦35.2bn/yr

25.9 GWh/yr burned on generators

Median payback

3.9 yr

Median IRR 29% (cash saved)

The savings bracket for Ibeno

Approach B

Cash saved

What these buildings stop paying — merit order, capped at current spend.

Current energy spend₦35.2bn/yr

Year-one cash saved₦33.2bn

Lifetime cash saved₦1.68tn

NPV₦232bn

Median IRR29%

Median payback3.9 yr

Unlocked energy16.1 GWh/yr

Approach A

Energy value (upper bracket)

What the energy is worth if full latent demand were met. Not cash saved.

Installed capacity96.2 MWp

Capex₦97.5bn

Year-one energy value₦51.6bn

Lifetime energy value₦2.38tn

NPV₦362bn

Median IRR55%

Median payback1.9 yr

Three ways to size Ibeno's rooftops

Solar + battery. The default headline scenario, and the one the SEO fact base quotes. Prices the energy a full solar+storage system would deliver.

Baseline: mixed

Counterfactual: grid when available, generator otherwise, weighted by the NTL-derived grid availability. The realistic case, and what the headline numbers use. Always falls between grid and genset by construction.

Read with care: Sized to LATENT demand — the energy the building would use if it could. Against a cash baseline that only reflects today's spend this looks oversized; that is what sc3 exists to fix.

System size: 96.2 MWp
Capital cost: ₦97.5bn
Year 1 savings: ₦51.6bn/yr
NPV: ₦362bn
Median IRR: 55%
Median payback: 1.9 yr

The odds a rooftop in Ibeno pays back quickly

Of the 12,631 buildings in Ibeno with a modelled payback, 89.3% pay back inside five years and 38.4% inside three.

Create a free account

How much of Ibeno's demand actually gets met

Buildings in Ibeno consume 68.1 GWh/yr but want 84.1 GWh/yr. The 19% they cannot buy is suppressed demand — load that appears the moment supply is reliable.

Create a free account

Electricity billing bands in Ibeno

Loading band economics…

How many rooftops in Ibeno actually pay

Counted building by building on the cash-saved basis (merit-order sized, valued against what the building spends today), not read off an average. Shares are of the 12,631 buildings with a modelled result out of 12,646 in Ibeno. 12,130 clear a positive NPV.

Payback

Under 3 years4,851 (38%)

Under 5 years11,281 (89%)

Under 7 years12,124 (96%)

Under 10 years12,333 (98%)

Return (IRR)

Above 10%12,284 (97%)

Above 15%12,130 (96%)

Above 20%11,591 (92%)

Above 25%7,030 (56%)

CO₂ avoided

59.8 kt/yr

Fuel avoided

15.2 million litres/yr

Energy unlocked

16.1 GWh/yr

Demand that is suppressed today

People served

139k

What hardware costs right now

Median advertised rates from our Nigerian market tracker — the same prices used to cost a system in Ibeno.

Solar panels

₦250

₦/W

Inverters

₦127,419

₦/kVA

Batteries

₦177,500

₦/kWh

Full price tracker Size a home system Size a business system

Building mix in Ibeno

Electricity billing band

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
A	7,540	3,764	₦19.1bn	₦18.7bn	25%	4.4 yr
B	3,669	2,652	₦10.6bn	₦10.1bn	45%	2.4 yr
D	676	225	₦2.81bn	₦2.18bn	25%	4.6 yr
E	552	266	₦2.03bn	₦1.64bn	25%	4.4 yr
C	209	51	₦723m	₦561m	25%	4.4 yr

Load profile

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
Residential	12,554	6,906	₦28.9bn	₦27bn	27%	3.9 yr
Anchor	39	19	₦6.27bn	₦6.2bn	33%	3.1 yr
Commercial General	32	22	₦58.3m	₦58.3m	37%	2.9 yr
Worship	19	10	₦23.9m	₦23.9m	33%	3.4 yr
Hospitality	2	1	₦6.16m	₦5.61m	27%	3.4 yr

Roof size band

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
100 250m2	3,875	2,290	₦9.17bn	₦8.49bn	33%	3.4 yr
50 100m2	3,189	1,662	₦2.01bn	₦1.88bn	27%	4.1 yr
30 50m2	2,138	1,056	₦386m	₦375m	25%	4.6 yr
250 1000m2	2,076	1,218	₦15.5bn	₦14.4bn	35%	3.1 yr
Under 30m2	1,298	701	₦114m	₦114m	27%	4.1 yr
Over 1000m2	70	31	₦8.02bn	₦7.94bn	31%	3.4 yr

Settlement type

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
Unclassified	12,625	6,937	₦33.2bn	₦31.5bn	29%	3.9 yr
Rural	21	21	₦1.98bn	₦1.77bn	65%	1.6 yr

Building type

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
Residential	4,372	2,435	₦21.4bn	₦19.7bn	35%	3.1 yr
Residential Small	2,673	1,290	₦1.81bn	₦1.67bn	25%	4.4 yr
Shed	2,629	1,248	₦158m	₦158m	23%	4.6 yr
Residential Formal	1,813	1,077	₦4.06bn	₦4.01bn	27%	4.4 yr
Residential Informal	588	581	₦640m	₦640m	39%	2.9 yr
Apartment	442	257	₦762m	₦761m	27%	4.4 yr
Institutional	62	38	₦6.29bn	₦6.23bn	37%	2.9 yr
Duplex	37	18	₦31.7m	₦31.7m	25%	4.6 yr
Place Of Worship	9	5	₦6.19m	₦6.19m	33%	3.1 yr
Clinic	8	7	₦44.5m	₦43.7m	41%	2.4 yr
Unknown	7	1	₦8.71m	₦8.71m	29%	3.6 yr
Hotel	2	1	₦6.16m	₦5.61m	27%	3.4 yr

Land use

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)
(Unset)	11,815	6,777	₦27.6bn	₦25.9bn
Industrial	831	181	₦7.6bn	₦7.34bn

Not published for this cube: Median IRR, Median payback.

Lead segment

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)	Median IRR	Median payback
Standard	12,605	6,938	₦28.9bn	₦27bn	29%	3.9 yr
Enterprise	39	19	₦6.27bn	₦6.2bn	33%	3.1 yr
SME High	2	1	₦6.16m	₦5.61m	27%	3.4 yr

Demand tier

Segment	Buildings	With generator	Spend ₦/yr	Cash saved yr 1 (B)
3.0	6,009	3,312	₦28bn	₦26.1bn
4.0	2,706	1,769	₦6.15bn	₦6.09bn
0.0	2,629	1,248	₦158m	₦158m
2.0	1,165	564	₦817m	₦791m
1.0	137	65	₦52.9m	₦50.6m