A panel count is not a design. We start with your actual load profile, size the array, inverter and battery against it, design the protection and earthing, then commission and verify performance. The equipment is the last decision, not the first.
Ghana enjoys roughly 5.0–5.5 peak sun hours a day — among the better solar resources in the world. The constraint has never been sunlight. It is that most installations are specified by whoever is selling the panels, then fail quietly: batteries that die in two years, inverters that trip under motor starting, arrays that clip at midday.
Diesel standby costs run continuously and scale with fuel price. A correctly designed solar-plus-storage system displaces that cost — but only if it is sized against the load it actually has to carry.
We measure or reconstruct your real demand curve — base load, peaks, motor starting, duty cycles — before any equipment is discussed.
Grid-tie, hybrid, or off-grid is an engineering decision driven by your tariff, outage pattern and criticality. Not by what is in stock.
DC and AC isolation, overcurrent coordination, surge protection and earthing to a defined standard — the part cheap installs skip.
Commissioning data, string I-V readings and a performance baseline you can hold the system against in year three.
You can engage us for the design alone and buy equipment anywhere. Most clients ask us to supply as well — but the advice is not conditional on the sale.
Before anything is sized, we establish what you actually consume — and when. Data logging where possible, reconstruction from tariff records where not.
Array, inverter, battery and balance-of-system sized against the measured profile — with the calculations shown, not hidden.
The part that separates a system that lasts from one that burns. Designed to standard, documented, and inspectable.
Once the design is fixed, we source the specified equipment from the United States and land it duty paid.
A system is not finished when it is installed. It is finished when it is proven.
Systems degrade. Batteries age. Someone should be watching the numbers against the baseline.
Reversing this order is why systems fail.
Measure or reconstruct the demand curve. Separate critical from deferrable. Characterise motor starting.
Full off-grid? Outage ride-through? Diesel displacement? Tariff arbitrage? Each drives a different architecture.
Array against irradiance and losses. Inverter against peak and surge. Battery against autonomy and depth of discharge.
Isolation, overcurrent, surge, earthing. String voltage verified at record low and high temperature.
Now — and only now — equipment is selected. Landed cost modelled before purchase.
Test, record, hand over a baseline. You should be able to audit the system in year five.
A first-pass estimate using standard sizing methodology and Ghana irradiance. This is a starting point for a conversation — not a design. A real design requires your measured load profile.
Adjust any value — results update live
First-pass engineering estimate
Ghanaian regulatory requirements and the international standards our designs reference. We confirm current requirements with the relevant authority on every project — regulations change.
| Instrument | Body | What it governs |
|---|---|---|
| Renewable Energy Act, 2011 (Act 832) | Energy Commission of Ghana | The primary legal framework for renewable energy in Ghana — licensing, feed-in arrangements, and the general regulatory regime for renewable generation. |
| Energy Commission licensing & certification | Energy Commission of Ghana | Licensing of solar installers, contractors and technicians. Confirm the current certification class required for your project scale before appointing an installer. |
| Grid connection & net metering | ECG / NEDCo / Energy Commission | Requirements for connecting a grid-tied or hybrid system to the distribution network, including any net-metering application process and technical conditions. |
| Ghana Standards Authority conformity | Ghana Standards Authority (GSA) | Conformity assessment and standards marking for imported electrical equipment. Confirm which components in your bill of materials are regulated before shipping. |
| Hazardous & Electronic Waste Act, 2016 (Act 917) | EPA Ghana | Controls on electrical and electronic equipment, including end-of-life obligations and any applicable eco-levy on imported EEE. Relevant to batteries and electronics. |
| IEC 62548 | International (IEC) | Design requirements for photovoltaic arrays — string configuration, voltage limits, protection and isolation on the DC side. |
| IEC 62446 | International (IEC) | Commissioning tests, documentation and periodic inspection requirements for grid-connected PV systems. This is the basis of our handover pack. |
| IEC 61730 / IEC 61215 | International (IEC) | PV module safety qualification and design/type approval. We specify modules certified to these standards — it is the practical filter against counterfeit product. |
| IEC 62109 | International (IEC) | Safety of power converters for PV systems — the inverter safety standard. |
| IEC 62619 / UN 38.3 | International | Safety requirements for secondary lithium cells and batteries, and transport testing for lithium batteries. UN 38.3 matters directly for shipping. |
| IEC 62305 | International (IEC) | Lightning protection — risk assessment and protection measures. Material in Ghana given storm activity. |
| NFPA 70 (NEC) Article 690/706 | United States (NFPA) | Referenced for US-sourced equipment: PV system and energy storage installation requirements, rapid shutdown and DC arc-fault protection. |
| IEEE 1547 | IEEE | Interconnection and interoperability of distributed energy resources with the grid — anti-islanding and grid support behaviour. |
Tell us the site, the loads and what you are trying to achieve. We will tell you honestly whether solar is the right answer — and if it is not, we will say so.