Namibia and Eswatini have launched digital registration platforms to make rooftop solar installations more visible to utilities.
The move follows evidence that about 75% of Africa’s solar growth from 2023 to 2025 happened off-grid.
Better data could help utilities balance networks, plan investment and manage a decentralised power system.
Rooftop Solar Enters the Planning Room
Rooftop solar is moving from the margins of African electricity policy into the centre of grid planning.
- Namibia and Eswatini have launched digital registration platforms designed to show utilities where customer-owned solar systems are operating, according to Renewables Rising.
The change addresses a simple but consequential question:
- What happens when electricity customers also become producers?
- Without reliable registration, utilities can see falling demand from the grid; however, they may not know how much generation sits behind the meter, where it is located or how quickly it is growing.
Off-Grid Growth Creates Statistical Blindspots
A recent Ember assessment cited by the publication found that about 75% of Africa’s solar growth between 2023 and 2025 happened off-grid.
That expansion is helping households and businesses manage unreliable supply and high energy costs; however, it also creates a data gap for planners accustomed to measuring central power stations and utility connections.
- A shop with panels and batteries may draw little power during the day, return surplus electricity under an approved arrangement, or reconnect suddenly when clouds reduce output. Thousands of such decisions can alter demand patterns, voltage and the economics of the network.
- If planners treat reduced grid purchases as lost demand alone, they may overbuild generation, underinvest in local networks or design tariffs around an electricity system that no longer exists.
South Africa and Ghana have pioneered digital systems, with South Africa described as the continent’s most active market.
Namibia and Eswatini now add to that emerging map.
- The registries are not merely administrative databases.
- Properly designed, they can give utilities a clearer picture of installed capacity, location, inverter type and potential power flows while making connection rules easier for consumers to understand.
Visibility Can Improve Reliability and Trust
Better data can help utilities forecast demand, target network upgrades and design fairer tariffs for a system in which some customers consume, produce and store electricity.
- It can also support faster connection approvals and help emergency teams understand which circuits may remain energised during an outage.
For customers, a simple digital process can reduce the uncertainty that often surrounds rooftop installations.
- Installers gain clearer technical standards, lenders gain more confidence in asset records, and governments gain a more accurate account of progress toward renewable energy and climate goals.
- The benefit depends on registration being affordable, accessible and tied to service rather than punishment.
Utilities Must Make Registration Worthwhile
Governments should adopt common minimum data fields, certify installers and inverters, protect household information and explain how registered systems will be treated.
Utilities should offer a clear value exchange through quicker approvals, safe interconnection, export arrangements or technical support.
Registration quality will be as important as registration volume.
- Records need validation, unique installation references and links to changes in ownership or capacity.
Countries should avoid collecting personal information unnecessary for network planning, and access to location data to authorised operational uses.
Where internet access is weak, mobile-assisted and installer-led registration can prevent a digital platform from excluding the same households and small businesses that decentralised solar is helping to serve.
Regional cooperation could lower costs further.
- Shared equipment classifications, safety rules and anonymised reporting categories would make it easier to compare markets, train installers and attract finance without forcing every country to build its system from the beginning.
Planners must then use the information.
- Distributed generation forecasts should shape procurement, grid reinforcement and tariff reviews.
- Data should be updated as systems expand or batteries are added, and smaller installers should receive training so compliance does not become another barrier to clean energy access.
Making Distributed Solar Visible and Valuable
African power systems need rooftop solar registries that are simple, secure and useful to customers.
Common data standards, clear interconnection rules and installer support can turn registration into an energy service rather than a compliance burden.
Utilities should feed verified data into demand forecasts, network investment and tariff design.
Visibility will not stop decentralisation; it will help grids absorb it more safely, fairly and efficiently.
Culled from: Africa moves to put rooftop solar on the grid map
