Kenya Power customers with solar systems could face additional charges if their installations feed electricity into the utility’s network without approval, as the regulator moves to bring private generation under tighter technical and commercial controls.
The Energy and Petroleum Regulatory Authority (EPRA) amended the electricity tariff schedule through a Gazette Notice published on September 18, 2026, defining unauthorised electricity injected into the Kenya Power network as “dumping”. Such electricity is to be measured and charged at the applicable base tariff, while further action may be taken if the dumping causes injury or damage to equipment.
The important part of the rule is what happens between a solar panel and the grid. A rooftop installation can generate electricity without sending anything to Kenya Power, but a grid-connected inverter can also allow electricity to flow in the opposite direction when generation exceeds the customer’s immediate demand. That second scenario requires a regulated connection.
Kenya’s electricity system has gained another layer of generation behind the meter as businesses, institutions and households install solar photovoltaic systems for self-consumption and backup power.
That generation can reduce the amount of electricity a customer takes from Kenya Power during the day, but it can also create reverse power flows when the solar system produces more electricity than the site is using. A distribution network designed around conventional one-way supply has to account for those flows, including their effect on voltage, protection and equipment.
The issue is particularly relevant as Kenya manages a power system with a narrow reserve margin. TechTrends reported in August that the reserve margin had fallen from 20.73 percent in January to 3.34 percent in June, while peak demand reached 2,514MW in June and 2,549MW in July.
Kenya Power has also raised concerns about the operational impact of variable renewable generation. The utility said wind and solar accounted for 34 percent of the energy mix during peak demand of about 1,900MW and 36 percent during a lower-demand period of about 1,200MW, illustrating how the contribution of variable generation can change with system conditions.
Unauthorised rooftop generation adds a separate layer of uncertainty because the utility may not have assessed the installation, its export capability or the protection equipment before electricity begins flowing into the network.
Solar panels produce direct current, which is converted by an inverter into alternating current that can be used by appliances and electrical equipment. In a grid-connected installation, the inverter must synchronise with the utility supply and operate within specified electrical conditions.
When the solar system produces less electricity than the building is consuming, the customer draws the balance from Kenya Power. When generation exceeds on-site demand, an export-capable system can send the surplus through the customer’s connection and into the distribution network.
That reverse flow is the point at which grid engineering becomes important. Distribution equipment, protection systems and maintenance procedures have to account for the possibility that electricity can originate from multiple points rather than only from the utility side of the network.
An approved net-metering installation provides a mechanism for managing that arrangement. The customer’s system is assessed, a net-metering agreement is signed and a bidirectional meter records electricity moving in both directions. An unauthorised installation bypasses those controls.
The worker-safety issue is particularly significant. Kenya Power has warned that illegal connections can expose technicians and engineers to electrical hazards during maintenance because a customer’s generating system may energise part of a network that workers believe has been isolated.
That is why the new dumping rule is more than a billing provision. It sits alongside the technical requirements governing how customer-owned generation interacts with infrastructure operated by the distribution utility.
Kenya’s Energy (Net-Metering) Regulations, 2024 already provide a legal route for consumers who generate renewable electricity for their own use and want to export surplus power.
The framework covers renewable-energy systems below 1 MW. Domestic consumers are limited to 4 kW on single-phase supply and 10 kW on three-phase supply, while commercial and industrial installations can reach 1 MW subject to the applicable demand and regulatory conditions. The initial aggregate capacity for net-metering systems was set at 100 MW over the first five years.
The economics are based on credits rather than a conventional cash sale. A consumer receives a credit equivalent to 50 percent of each unit exported during a billing period. Credits that exceed the electricity supplied by Kenya Power can be carried forward, although unused credits are forfeited at the end of the licensee’s financial year.
For installations above 10 kW, the application requires a feasibility study prepared by an engineer. Once the arrangement is approved, the customer uses the required metering and operates within the terms of the net-metering agreement.
The September amendment does not therefore create the concept of legal solar exports. It formalises a tariff consequence for the other side of the boundary: electricity entering the Kenya Power network without the required authorisation.
The solar rule arrives against a difficult backdrop for Kenya’s electricity system.
TechTrends reported in August that Kenya’s reserve margin had fallen to 3.34 percent by June, leaving the system with much less spare generation capacity to absorb an unexpected plant failure, transmission problem or demand spike. Peak demand has continued to rise, reaching 2,549MW in July.
Renewable generation creates another operational challenge because the timing of production does not always match the timing of consumption. Solar output falls sharply after sunset, while Kenya’s evening demand rises as households return home and businesses continue operating. Wind output can also change with weather conditions.
Kenya Power has argued that the growing contribution of variable renewable energy requires additional attention to system stability and balancing. The utility has pointed to geothermal, hydro, imports and other dependable sources as part of the wider mix needed to complement variable generation.
This is where distributed solar becomes a technology story. Thousands of smaller systems do not simply add a number to Kenya’s generation capacity. They change the electrical behaviour of the distribution network, particularly when they can export power.
Battery storage can reduce some of the pressure created by surplus solar generation. A business that produces more solar electricity than it can use at midday can store the excess and deploy it later, reducing the amount exported and increasing the share of generation consumed behind the meter.
The technology conversation goes beyond batteries. Smart inverters can manage the interface between photovoltaic generation, batteries and the grid, while advanced monitoring can give operators better visibility into distributed generation and electricity flows.
EcoNews recently reported on Kenya’s push towards smart grids, digital management, better forecasting, power electronics and battery storage as renewable generation expands. The Kenya Energy Transition Forum 2026 also examined grid-forming energy storage and smart-grid technologies as tools for improving system flexibility and power quality.
Grid-forming systems are particularly relevant to a future in which storage and distributed generation play a larger role. They can provide electrical characteristics that help support grid operation, although their deployment does not remove the need for proper connection standards, protection and utility coordination.
The direction of travel is therefore toward more managed interaction between private generation and the network. A solar installation may belong to a customer, but once it can export electricity, its inverter and protection settings become relevant to the wider electrical system.
The new provision has another detail that solar owners will need to watch closely. Although the tariff amendment was published on September 18, 2026, reporting on the notice says it was made effective from July 1, 2025.
That creates uncertainty for systems that may have exported electricity without formal approval between those dates. There has been no clear public explanation of whether Kenya Power intends to retrospectively identify such exports, how it would calculate them or what enforcement process would apply.
pv magazine reported on September 22 that EPRA had not issued enforcement notices or retroactive billing advisories under the new dumping definition at that point.
For technology vendors, installers and customers, that question is significant because the technical configuration of an installation can determine whether electricity is capable of flowing back into the network. Historical inverter data, meter records and system configuration could become relevant if retrospective enforcement is pursued, although the regulator and utility have not publicly set out such a process.
A customer with solar panels should first establish whether the installation is capable of exporting electricity. Having panels on a roof does not automatically mean electricity is being fed into Kenya Power’s network.
The next questions concern the inverter, the meter and the connection agreement. Customers using grid-connected systems should establish whether they have approval to export power, whether their installation is covered by a valid net-metering agreement and whether the equipment matches the conditions under which the system was approved.
Businesses with larger installations have another consideration because the net-metering framework places limits on capacity and maximum demand. A system built primarily for self-consumption can therefore have a different regulatory path from one designed to export substantial amounts of electricity.
The broader technology challenge is clear. Kenya is adding generation at many points across the electricity system, while its distribution infrastructure must remain safe and predictable. EPRA’s dumping provision puts a financial consequence around unauthorised exports, but the longer-term solution involves better metering, compliant inverters, storage, network visibility and grid-management technology that allows private generation to work with the utility rather than outside it.
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