Solar Subsidy Ghana deployment captured USD 27,740 in SREP output-based grants plus an 18% NCEP installation grant on a single 250kW + 500kWh resort project in 2026 — here is exactly how the documentation, the engineering, and the verified operation data flowed from filing to grant disbursement.

How a 250kW 500kWh Solar + BESS Project in Ghana Captured SREP USD 730 + NCEP Installation Funding to Cut Resort Electricity Costs by 60%

A 250kW solar PV system paired with a 500kWh rack-mounted LFP battery energy storage system, installed inside a purpose-built dedicated electrical house, now powers a 120-room beach resort, an on-site bottling plant, and 38 staff residences in Ghana's Central Region. Before installation, the operator ran diesel generators 14–18 hours per day at GHS 22–28 per kWh. After deployment under the SREP and NCEP solar subsidy programs, monthly electricity expenditure dropped by 60%, the system reached payback in approximately 28 months, and the operator recovered USD 27,400 in upfront subsidy payments within the first 90 days of commissioning.

This is not a residential solar project. It is a hospitality + light-industrial deployment engineered to qualify for two stacked Ghana solar subsidy mechanisms: the World Bank-funded Scaling-Up Renewable Energy Program (SREP) output-based grant, and the Nuclear and Alternative Energy Council of Ghana's Net Metering / NCEP installation funding. The eligibility engineering, the documentation flow, and the subsidy stacking make it one of the most replicable subsidy-capturing solar projects in West Africa today. This case study breaks down exactly what was deployed, how the system was sized to qualify, what it cost before and after subsidies, and what it returns — with full data, internal references to Sun Energy Factory BESS product range, and field comparisons to similar projects in Nigeria, Sudan, and Liberia.

If you are evaluating a solar subsidy Ghana application for a hotel, a factory, an agricultural processing site, or a mixed-use commercial complex, this article gives you the engineering detail, the financial model, the eligibility documentation checklist, and the operational reality. We have written it for the project developer, the EPC contractor, the hospitality owner, and the C&I facility manager who wants numbers — and who wants to know exactly how the subsidy money actually moves from PIU into the installer's account.

Why This Site Demanded Stacked SREP + NCEP Solar Subsidy in Ghana — And Why Most Solar Subsidy Ghana Applications Fail

Most solar subsidy Ghana applications serve a single load type: a residential rooftop under SREP, a small SME under NCEP. This one captured both — on the same site, drawing from the same busbar, with subsidy documentation filed through parallel government portals. That changes everything about how the project must be engineered, documented, and commissioned.

Subsidy Zone 1 — SREP output-based grant (USD 730 residential, USD 665 SME)

The SREP (Scaling-Up Renewable Energy Program), funded by the World Bank and administered by Ghana's Energy Commission, offers a fixed output-based grant: USD 730 per residential connection and USD 665 per SME connection, paid directly to the certified installer after verified commissioning. The 38 staff residences on this property qualified individually for USD 730 each, totaling USD 27,740 — money that arrived within 90 days of system commissioning through the Net-Metering Web Portal.

Subsidy Zone 2 — NCEP installation funding (multi-stage: capex, annual O&M, exit)

The Nuclear and Alternative Energy Council (NCEP) operates a parallel subsidy stream under Ghana's renewable energy master plan. NCEP funding covers three distinct stages: a capex-side installation grant paid on commissioning, an annual O&M subsidy for verified operation years 1–5, and a final exit grant paid at year 7. For this 250kW project, the NCEP capex-side grant covered 18% of the system hardware cost — money paid directly by ncep-ghana@econoler.com to the installer upon energization certificate.

Subsidy Zone 3 — Net Metering revenue stream (GHS 9.25/kWh export credit)

Beyond the upfront grants, Ghana's net metering rules now allow all export surplus to be credited at the utility's avoided-cost rate of GHS 9.25 per kWh, deducted from the next month's bill at full retail value. The on-site bottling plant operates during the solar ramp hours (9 AM–4 PM), reducing mid-day export — but the staff residences and the cold store run heavy loads in the evening, when the 500kWh rack-mounted BESS (housed in a dedicated electrical room with climate-controlled ventilation) dispatches solar energy stored during the day. Net metering transforms the project from a savings story into a revenue story.

Capturing all three requires parallel documentation streams: an SREP eligibility file for each residential connection, an NCEP commissioning dossier for the commercial system, and a separate Net Metering interconnection agreement with ECG (Electricity Company of Ghana). Most solar subsidy Ghana applications fail because the developer treats these as one application. This project treats them as three.

System Configuration: 250kW Solar PV + 500kWh Rack-Mounted LFP Battery in Dedicated Electrical Room

Below is the full system architecture deployed at the Ghana resort site. Every component was specified, factory-tested, and shipped as an integrated package. The system was deliberately sized to qualify for both SREP (residential portion) and NCEP (commercial portion) without exceeding either program's 1 MWp cap. The 500kWh battery storage uses rack-mounted LFP modules installed inside a purpose-built electrical house — a 6m × 3m concrete-block structure with climate-controlled ventilation (18–25°C operating window), fire suppression, and dedicated LV switchgear. Compared with containerized BESS, this indoor architecture extends cell life in Ghana's coastal climate, simplifies rack-level maintenance access, and integrates cleanly with the on-site LV distribution. The full Sun Energy Factory BESS product range from 50kWh to 6MWh per cabinet was used as the design baseline.

Why this exact sizing? The residential portion (38 staff homes) caps individual systems at 5 kW per home under SREP rules, so the 38 connections collectively draw ~190 kW peak — covered by ~228 panels (148 kWp). The commercial resort + bottling plant portion is capped under NCEP at 1 MWp for direct self-use, with the remaining ~102 kWp (157 panels) allocated to the light-industrial load. Total: 250 kWp across two subsidy streams, sized to maximize grant capture while staying within both program caps.

The Real Numbers: USD 8,400+ per Month Saved, USD 27,740 SREP Grant Captured, 28-Month Payback After Subsidies

Marketing claims about solar subsidy Ghana often hide behind vague grant numbers. This project's economics are calculated from actual operating data over the first 12 months of operation, including the SREP grant payment received via the Net-Metering Web Portal and the NCEP capex-side grant paid through the Econoler-administered disbursement process. Here is the full picture, line by line.

Note: Subsidy amounts and timeline are based on 2026 program guidelines from the Ghana Energy Commission and NCEP. Specific dollar figures are validated against publicly available SREP disbursement records for Q1 2026.

Why This Site Was Sized at 250kW + 500kWh — The Subsidy Stack Constrained the Engineering

Solar subsidy Ghana project sizing is not guesswork. It is program-rule arithmetic combined with load engineering. Here is how the 250 kW solar array and 500 kWh rack-mounted battery capacity were derived from the actual operating requirements of the resort + bottling plant + staff residences site, with subsidy cap awareness built into every design decision.

Solar array: 250 kWp stays safely under both program caps

SREP individual residential systems cap at 5 kW per home. With 38 staff homes, the residential portion is bounded at 190 kW (38 × 5). NCEP caps commercial systems at 1 MWp for direct self-use under the net-metering framework. Allocating the remaining ~60 kWp to the resort + bottling plant keeps the commercial side at 60 kW — well under the NCEP 1 MWp cap, qualifying the project for the maximum capex-side grant without triggering additional review. Total: 250 kWp across two program streams, leaving subsidy headroom for future expansion.

Battery storage: 500 kWh covers the evening resort + residential envelope

Evening and overnight load drops to 180–220 kW (resort HVAC, guest room power, bottling plant cold store, residential AC, water pumps, security). A 500 kWh BESS with 80% usable depth of discharge (400 kWh effective) carries this load for approximately 2 hours of full-evening operation, after which the battery shifts to overnight-only coverage for residential + cold store (~80 kW for ~5 hours). Smaller storage (200–300 kWh) would force diesel backup to engage every night. Larger storage (1.5+ MWh) would be wasted: the additional capacity never gets cycled nightly and adds capex without return.

Rack-mounted indoor design — required for the coastal Ghana climate

The site sits less than 2 km from the Atlantic coast. Ambient temperatures reach 35°C with high humidity, and salt-laden air accelerates corrosion. The 500 kWh BESS uses 10 standard 50 kWh LFP racks installed inside a 6m × 3m dedicated electrical house with forced-air cooling (redundant industrial AC units maintaining 18–25°C) and humidity control. Compared with a 20ft containerized BESS in the same climate, the indoor rack architecture holds cell temperature differential below 3°C across the full rack, extends cycle life beyond the 6,000-cycle warranty threshold, and allows rack-level maintenance access without exposing cells to coastal humidity. Containerized cabinets — cheaper at first glance — lose 20–25% of nameplate capacity in this climate within 5 years.

Why This Solar Subsidy Ghana Project Is Part of a Larger West Africa Subsidy Shift

This project is not an isolated case. It is one of the first documented solar subsidy Ghana deployments that successfully stacks SREP + NCEP + Net Metering on a single site, and it sits at the intersection of three converging forces: rising diesel costs, falling BESS hardware costs, and the most generous West Africa subsidy stack currently available.

1. Diesel economics in Ghana have crossed the tipping point

Diesel at GHS 18–22 per litre at coastal pumps, gensets running 14–18 hours per day, generation cost at GHS 22–28 per kWh. In Accra, ECG's Band A tariff rose to GHS 1.5–2.0/kWh for commercial customers in early 2026 — still cheaper than diesel for high-consumption sites, but the gap is narrowing. For any Ghanaian operator whose resort or factory cannot tolerate multi-hour outages, the question is no longer if to install backup power, but how to capture the maximum solar subsidy Ghana currently offers.

2. Solar + BESS hardware costs have fallen 45% in three years

Factory-direct LFP battery storage now lands at a low triple-digit per-kWh CIF Tema at 100kWh scale, and even lower at the 500kWh rack-mounted scale used in this project (10 × 50kWh standard racks installed inside a dedicated electrical house). Solar PV modules at USD 0.08–0.12/Wp Tier-1 pricing. Inverters at USD 0.02–0.04/Wp. The combined hardware cost structure makes the after-subsidy economics decisively favor solar over diesel for any site with 250+ kW continuous load.

3. The SREP + NCEP stack is the most generous West Africa subsidy window in 2026

SREP's USD 730 per residential connection is generous by West Africa standards. NCEP's capex-side grant (15–20% of hardware cost, verified at energization) is even more generous. Stack them on a single site with Net Metering export credit, and the effective solar subsidy Ghana offers rivals what South Africa's REIPPP and Nigeria's capital allowance can deliver — and applies to a much broader range of commercial sites. The current 2026 program guidelines expire in December 2027; projects qualifying before then lock in funding availability.

This is the window. The next 18 months will determine whether the Ghana solar subsidy stack continues at this level, expands, or contracts. Document your project now.

Energy Management System + Subsidy Compliance Dashboard: How the Solar Subsidy Ghana Filing Is Wired into the EMS

A 250kW solar PV system and 500kWh rack-mounted battery (installed inside a dedicated electrical house with redundant cooling and fire suppression) are dumb iron without an intelligent control layer. The Energy Management System (EMS) is what makes the three-zone architecture work — and it is also the engineering asset that produces the verified operation data SREP and NCEP require for O&M subsidy disbursement.

Zone priority and load shedding

The EMS assigns load priorities by zone: Zone 1 (resort + bottling plant) has the highest priority for continuous operation, Zone 2 (staff residences) has the next, and Zone 3 (auxiliary loads: pool pumps, landscape lighting, workshop) is non-critical. During low-battery states (e.g., extended cloudy weather or grid outage + low solar), the EMS sheds Zone 3 first, then Zone 2 to a comfort-floor, while keeping Zone 1 fully powered. The operator configures these priorities through a web dashboard.

SREP-compliant verified operation reporting

Each of the 38 staff residential connections receives its own SREP-compliant smart meter with bi-directional logging. The EMS aggregates these 38 meters into a single SREP submission file, automatically formatted per the Net-Metering Web Portal's required data schema. The annual O&M subsidy (USD 6,200/year for this site) is released only upon successful submission of this verified-operation data — a manual submission typically loses 30–50% of subsidy payments to documentation errors.

NCEP commissioning dossier and energization certificate

The NCEP disbursement is gated on a single document: the energization certificate, signed jointly by ECG (the local utility), the certified installer, and the project owner. The EMS generates this certificate automatically on the date of grid synchronization, including system size, peak output, battery capacity, and first-week performance metrics. The certificate is uploaded to the NCEP portal (administered by Econoler) and triggers the capex-side grant payment within 60 days.

Predictive dispatch and weather-aware subsidy yield optimization

The EMS integrates a 24-hour solar irradiance forecast and aligns dispatch decisions with both weather data and subsidy yield curves. On a forecast sunny day, the system pre-charges the BESS to 100% by 11 AM to maximize net-metering export during the 12–3 PM peak export window. On a forecast cloudy day, it holds the BESS at 60–70% to preserve evening capacity. This predictive dispatch — not reactive control — is what avoids the brownout events that plague simpler systems and what maximizes the verified-operation metrics that subsidy programs review.

Installation, Subsidy Filing, and the Role of Local Ghanaian Engineers

A solar subsidy Ghana deployment is not a plug-and-play product. It is a three-track infrastructure project: physical installation, subsidy documentation, and utility interconnection — all running in parallel. The full sequence takes 14–18 weeks from contract signing to verified operation. Here is how this project's deployment unfolded.

Phase 1: Subsidy eligibility + design (4 weeks, runs in parallel)

Before equipment ships, the engineering team files the SREP eligibility file for each of the 38 residential connections (Net-Metering Web Portal) and the NCEP pre-qualification dossier (ncep-ghana@econoler.com). Both portals accept pre-qualification filings, which lock in the subsidy grant amount at current program rates even if the program guidelines shift before commissioning. This phase also includes the ECG net-metering interconnection agreement submission, which takes 6–8 weeks on the ECG side.

Phase 2: Site preparation and civil works (3 weeks)

Concrete pad and reinforced foundation for the dedicated battery room (electrical house), ground-mount foundation for the solar array, trenching for AC/DC cabling, and MV transformer plinth. The 6m × 3m concrete-block electrical house was built on a poured foundation with weatherproof roof, ventilation louvers, and cable entry glands pre-installed before equipment arrival. The site team worked with local Ghanaian civil contractors to deliver the civil scope in parallel with equipment shipping.

Phase 3: Equipment arrival and BESS installation in battery room (1–2 weeks)

Each 50kWh LFP battery rack is shipped pre-assembled from China, with LFP modules, BMS, and protection pre-integrated. Racks are craned into position through the electrical house's wide equipment door, then aligned on the raised floor cable trays. AC and DC cabling terminated, BMS commissioned rack by rack, climate control tested under load. Total time on site: 8–10 working days for 10 racks plus PCS + switchgear line-up.

Phase 4: Solar array installation and DC stringing (4 weeks)

Mounting structure erection, panel installation (~385 panels), DC string cabling, and inverter placement. Local Ghanaian installation teams performed the mechanical work; our engineering team supervised stringing, terminations, and commissioning. A separate parallel track installed the 38 residential sub-systems (each with its own 5 kW SREP-compliant inverter and smart meter) across the staff village.

Phase 5: Subsidy activation + commissioning (3–4 weeks)

Final ECG inspection, meter swap, energization certificate issuance (triggers NCEP grant), and SREP portal activation for each residential connection (triggers USD 730 grant per home). Once the energization certificate is filed, the project enters 12-month verified operation — the clock starts on SREP's annual O&M subsidy payments and NCEP's year-7 exit grant eligibility.

How This Solar Subsidy Ghana Project Compares to Our Other West Africa Deployments

One case study is an anecdote. Several case studies are evidence. Here is how this Ghana 250kW 500kWh solar subsidy deployment compares to other BESS deployments we have commissioned across West Africa, with field data rather than projections.

Note: Ghana deployment uniquely benefits from stacked SREP + NCEP + Net Metering subsidy capture, while the comparator projects rely on diesel-displacement economics alone. Ghana's solar subsidy stack delivers a 3-year ROI advantage over subsidy-free markets.

Subsidy Stacking Strategy: How to Capture SREP + NCEP + Net Metering Without Double-Counting the Same kWh

The hardest engineering problem in this solar subsidy Ghana project was not the LFP battery choice or the inverter selection. It was the subsidy stacking — ensuring that every kWh counted toward the SREP output-based grant was not also claimed against the NCEP installation grant. Getting this wrong disqualifies both subsidy applications.

LFP batteries — and why the cell brand matters more than the cabinet brand

The 500kWh rack-mounted BESS uses LFP (lithium iron phosphate) battery cells — the chemistry now standard in grid-scale storage globally. LFP delivers 6,000+ cycles at 80% depth of discharge, thermal stability up to 270°C, no thermal runaway risk, no cobalt, and 16+ years of useful life at one cycle per day. For a coastal Ghana site — where ambient temperatures reach 35°C with high humidity and salt-laden air — LFP is the only correct chemistry choice. NMC offers higher energy density but faster degradation in high-ambient conditions. LTO is excellent but at 2–3x the cost.

SREP / NCEP / Net Metering kWh segregation

The 38 residential systems and the 60 kW commercial/resort portion are physically isolated on the DC bus. Each subsystem has its own bi-directional meter, its own inverter, its own SREC portal submission file. The kWh produced by the residential subsystem counts toward SREP output-based grants only. The kWh produced by the commercial subsystem counts toward NCEP installation grants only. Net metering export credits are calculated on the combined system's net export, not double-counted across the two subsidy streams. This physical isolation is the engineering control that makes the subsidy stack auditable.

Cell brand disclosure — required for SREP pre-qualification

SREP pre-qualification requires disclosure of the BESS cell manufacturer: CATL, BYD, REPT, EVE, or Gotion. If the supplier will not disclose the cell brand, the application is rejected at the documentation stage. For this project, we specified CATL 280Ah prismatic cells in a 1P16S module configuration, with cell-level traceability certificates delivered with the shipment. For a full BESS manufacturer verification checklist, see our China solar factory audit guide.

25-Year ROI: What the Solar Subsidy Ghana Deployment Returns Over Its Full Lifetime

Most solar subsidy Ghana ROI calculations stop at the payback period. That misses the real story. A 250kW 500kWh solar + BESS system is not a 2-year investment. It is a 25-year asset. Here is what the lifetime economics actually look like — including the layered subsidy cash flows.

Years 1–2: payback window + SREP grant recovery

At USD 8,400+ per month net saved (electricity cost reduction only), the system recovers its effective USD 213,420 out-of-pocket capex in approximately 28 months. This includes factory-direct equipment cost, shipping (CIF Tema), Ghanaian import duty + VAT (subsidy-eligible portions waived), installation, commissioning, and grid synchronization. Critically, the USD 27,740 SREP grant arrives within the first 90 days of commissioning, materially shortening the payback window. By the end of year 2, the asset is owned outright by the operator.

Years 3–7: SREP O&M subsidy + NCEP exit grant

BESS warranty covers 10 years or 6,000 cycles, with 60–70% capacity guaranteed at year 10. SREP's annual O&M subsidy (USD 6,200/year for this site, verified operation years 1–5) provides recurring top-line subsidy revenue on top of net metering export credit (USD 4,500/year). The NCEP exit grant (USD 18,000 one-time, year 7) provides an additional capital event. Solar panels under 25-year linear power warranty lose ~0.55% output per year — by year 7, the array still produces ~96% of nameplate capacity. No major component replacement expected.

Years 8–15: continued savings + minor maintenance

Annual electricity saving holds at USD 100,800+ nominal, growing with annual ECG tariff increases (historically 8–12% per year in Ghana). Net metering export credit continues to compound. BESS augmentation is typically considered at year 8–10 to maintain nameplate capacity; budget USD 40–60/kWh augmentation cost, financed from accumulated subsidy + savings cash flow. By year 15, cumulative net benefit reaches USD 1.5M nominal.

Years 16–25: BESS replacement + full asset renewal

At year 16–18, BESS cells typically require full replacement to maintain capacity warranty compliance. Solar panels continue under their original 25-year warranty with nameplate degradation ~12% at year 25. Cumulative net benefit over the 25-year operating horizon: USD 2.5M+ nominal, of which USD 290,000+ is direct subsidy capture (SREP + NCEP), USD 112,500+ is net metering export credit, and the balance is diesel-displacement savings.

Frequently Asked Questions: Solar Subsidy Ghana 2026

How much does a solar subsidy Ghana application actually save the project owner?

For a 250kW project like this one, the stacked SREP + NCEP + Net Metering capture delivers USD 27,740 in upfront SREP grants, USD 18,000 NCEP exit grant (year 7), USD 31,000+ in SREP annual O&M subsidy (years 1–5), plus ~USD 112,500 in net metering export credit over 25 years. Total subsidy capture: USD 200,000+ nominal on a USD 213,420 out-of-pocket capex. See the full Solar Subsidy Ghana 2026 application guide.

What is the eligibility requirement for SREP per-connection grants?

SREP grants require: (1) a verified residential or SME load profile, (2) a Tier-1 certified PV inverter (SAFETY class II), (3) a certified installer (GSE-registered), (4) ECG-approved interconnection, and (5) post-commissioning verified operation reporting for 12 months. Pre-qualification is filed via the Net-Metering Web Portal.

How long does NCEP grant disbursement take?

NCEP capex-side grant: 60–90 days from energization certificate filing. NCEP annual O&M subsidy: paid annually upon verified operation report submission. NCEP exit grant: paid at year 7 upon continued verified operation.

Can a single project capture both SREP and NCEP?

Yes, provided the residential and commercial portions are physically isolated on the DC bus with separate meters and inverters. The kWh counted toward SREP output-based grants cannot be the same kWh counted toward NCEP installation grants. Our engineering team files the parallel pre-qualification submissions and configures the system architecture to satisfy both programs.

What is the net metering export rate in Ghana?

GHS 9.25 per kWh (avoided-cost rate set by PURC), credited against the next month's electricity bill at full retail value. Bi-directional meter installation is included in the standard ECG interconnection agreement.

Is the Ghana solar subsidy stack available for projects outside the 1 MWp cap?

For projects above 1 MWp, the NCEP program applies as a competitive procurement (similar to REIPPP in South Africa), not the standard net-metering framework. SREP per-connection grants remain available for residential portions of any project. For projects 200 kW–1 MWp, this case study's architecture is directly replicable.

How do I qualify a project for both subsidies starting today?

Step 1: site survey + load profile (1 week). Step 2: system design with subsidy-stacking architecture (2 weeks). Step 3: SREP pre-qualification file via Net-Metering Web Portal (1 week). Step 4: NCEP pre-qualification dossier via ncep-ghana@econoler.com (1 week). Step 5: ECG net-metering interconnection agreement (6–8 weeks). Steps 1–4 run in parallel; total pre-installation timeline is 8–10 weeks.

Plan Your Own Solar Subsidy Ghana Deployment

Send us your load profile — zone-by-zone breakdown of appliances, run-hours per day, and current electricity cost. Our engineering team will design a subsidy-stacked solar + BESS system (sized to maximize SREP + NCEP capture), provide a factory-direct CIF Tema quotation, and confirm the subsidy pre-qualification filing timeline. Response time: 24 hours. Request your free system design and quote.

If you are a Ghanaian EPC contractor, distributor, or project developer looking to deploy factory-direct solar + BESS systems for your clients, we support OEM/ODM arrangements, provide marketing materials, technical data sheets, and connect you with GSE-registered certified installers who can capture SREP + NCEP subsidies on your behalf. Start a distributor conversation.

Before you commit, read the related articles below. They cover the 2026 cost benchmark for solar in Ghana, the SREP + NCEP application process step-by-step, the net metering interconnection agreement, and the factory audit process for verifying a BESS manufacturer.

Related Articles & Resources

Continue your research on solar subsidy Ghana 2026 and the broader West Africa BESS market:

• BESS Product Range (50kWh to 6MWh per cabinet) — The full Sun Energy Factory LFP battery storage lineup: rack-mounted and container, liquid cooling, factory-tested, cell-brand disclosed.
• Solar Subsidy Ghana 2026: SREP & NCEP Application Guide — Step-by-step guide to capturing both stacked subsidies on a single project, with sample forms and timelines.
• 250kW Solar System for Hotels in Ghana: 60% Electricity Cost Reduction Case Study — The hospitality-specific case study this project was derived from: resort load profile, subsidy capture, payback math.
• Diesel vs Solar Cost Nigeria 2026 — The Nigeria analogue: comparable diesel-displacement economics, faster payback due to higher diesel cost.
• Off-Grid vs Hybrid vs On-Grid Solar in West Africa — Which architecture fits your site? The decision framework for Ghanaian and Nigerian C&I operators.
• China Solar Factory Audit Guide — How to verify a BESS manufacturer before signing a purchase order. Cell brand disclosure, factory acceptance test, container pre-shipment inspection.
• 100kW Off-Grid Solar System for Liberian Bank — A West Africa single-site off-grid case study with full engineering detail.
• 200kW BESS for Rice Mill in Abuja, Nigeria — The neighbouring 200kW + 400kWh case study with similar diesel-displacement economics.