Electricity access in sub-Saharan Africa remains one of the continent's most pressing infrastructure challenges. According to the International Energy Agency (IEA), approximately 600 million people in the region - roughly 43% of the population - lack access to electricity entirely. Among those who do have access, the payment systems connecting consumers to utilities are undergoing a significant transformation from manual, cash-based processes to digital, mobile-enabled platforms.
This transformation creates both challenges and opportunities for payment infrastructure providers. The shift from postpaid (monthly bills) to prepaid (token-based) metering is enabling digital payment integration. Mobile money is becoming the dominant payment rail. And API-based platforms are beginning to unify the fragmented utility payment landscape.
The Electricity Access Landscape
The IEA's World Energy Outlook and the World Bank's Tracking SDG 7 reports provide the most comprehensive data on electricity access in sub-Saharan Africa:
Population without electricity access in sub-Saharan Africa: ~600 million (IEA, 2023). Electrification rate: ~57% overall, with significant urban-rural divide (urban ~85%, rural ~35%). Countries with lowest access: DRC, Chad, Niger, South Sudan, Central African Republic (all below 20%).
The countries with the highest electrification rates - and therefore the largest markets for electricity payment services - include:
| Country | Electrification Rate (est.) | Utility | Meter Type Dominant |
|---|---|---|---|
| South Africa | ~90% | Eskom + Municipalities | Prepaid (STS) |
| Ghana | ~87% | ECG, NEDCo | Mixed (transitioning to prepaid) |
| Kenya | ~76% | Kenya Power (KPLC) | Prepaid (STS) |
| Nigeria | ~62% | 11 DisCos | Mixed (rapid prepaid deployment) |
| Tanzania | ~45% | TANESCO | Prepaid (STS) |
| Senegal | ~70% | Senelec | Mixed |
| The Gambia | ~62% | NAWEC | Prepaid (growing) |
The Prepaid Meter Revolution
The shift from postpaid to prepaid metering is the single most important enabler of electricity payment digitization in Africa. Prepaid meters offer several advantages for both utilities and consumers:
For Utilities
- Revenue assurance: Payment is collected before consumption, eliminating bad debt and the cost of debt collection.
- Reduced meter reading costs: No physical meter readers needed.
- Demand management: Consumers self-regulate usage based on remaining balance.
- Remote disconnect/reconnect: Modern smart prepaid meters can be managed remotely.
For Consumers
- Budget control: Users purchase electricity in amounts they can afford, when they can afford it.
- No surprise bills: Eliminates estimated billing disputes.
- Convenience: Top-up via mobile money at any time, from anywhere.
- Transparency: Exact consumption is visible via meter display.
The STS Standard
The Standard Transfer Specification (STS) is the technological foundation of prepaid metering in Africa. Developed in South Africa by Eskom and adopted as an international standard (IEC 62055), STS defines:
- Token format: 20-digit numeric tokens that encode credit value, meter identity and cryptographic validation.
- Key management: Encryption keys unique to each meter ensure tokens cannot be forged or reused.
- Token types: Credit transfer tokens (add balance), key change tokens (update encryption) and engineering tokens (maintenance functions).
- Interoperability: STS tokens generated by any certified vending system can be accepted by any STS-compliant meter.
The STS Association (now part of the DLMS/COSEM User Association) manages the standard and certification. Major STS-compliant meter manufacturers include Conlog, Inhemeter, Hexing, Landis+Gyr and Itron.
The M-Pesa and KPLC Success Story
Kenya's integration of M-Pesa with Kenya Power (KPLC) represents the gold standard for mobile money-enabled electricity payments. The service, available since 2012, allows any M-Pesa user to purchase electricity tokens by:
- Dialing M-Pesa's USSD code (*334#) or using the app.
- Selecting "Pay Bill" and entering KPLC's business number (888880).
- Entering their meter number as the account number.
- Entering the amount to purchase.
- Confirming with their M-Pesa PIN.
- Receiving an SMS with the 20-digit STS token within seconds.
The user then enters the token into their prepaid meter. The result has been transformative:
- Over 80% of KPLC's prepaid electricity purchases now happen via M-Pesa.
- Average purchase amounts are smaller but more frequent, indicating that low-income consumers are purchasing electricity in micro-amounts they can afford (as low as KES 50 / $0.40).
- KPLC's revenue collection improved significantly following the mobile money integration.
- The convenience of mobile purchases has been credited with increasing willingness to formalize electricity connections.
Kenya Power's M-Pesa integration demonstrated that mobile money can serve as the primary payment rail for essential utility services. Over 80% of prepaid purchases flow through M-Pesa, with micro-payments as low as KES 50 (~$0.40) enabling electricity access for low-income households.
Nigeria's Metering Challenge
Nigeria represents both the largest opportunity and the greatest challenge for electricity payment digitization in Africa. With approximately 12 million metered customers across 11 distribution companies and an estimated 8+ million unmetered customers still on estimated billing, the market is massive but deeply fragmented.
The National Mass Metering Programme (NMMP)
Launched in 2020, the NMMP aims to deploy 6 million prepaid meters across Nigeria. The program, funded through a combination of government appropriation and development finance (World Bank), has deployed several million meters as of early 2026 but remains behind schedule due to supply chain issues, foreign exchange constraints and logistical challenges.
Integration Complexity
Each of Nigeria's 11 distribution companies maintains its own vending platform and meter database. There is no national electricity payment switch. An API provider seeking to cover electricity payments across Nigeria must either:
- Integrate separately with each DisCo's vending system (11 distinct integrations).
- Connect through licensed third-party vending aggregators that have existing relationships with multiple DisCos.
Both approaches have trade-offs in terms of coverage, reliability and commercial terms.
Ghana's ECG Digitization
The Electricity Company of Ghana (ECG) has undergone significant digital transformation in recent years, driven by the introduction of prepaid meters and mobile money integration. Key developments include:
- Prepaid meter deployment: ECG has deployed hundreds of thousands of prepaid meters, particularly in urban areas like Greater Accra.
- Mobile money integration: MTN MoMo is the dominant payment channel for prepaid electricity purchases in Ghana.
- ECG Power App: A mobile application allowing direct purchases and outage reporting.
- Third-party vending: Licensed vending agents (banks, fintech apps, merchant outlets) can sell electricity tokens via API integrations with ECG's vending platform.
Challenges to Full Digitization
Meter Database Fragmentation
Each utility maintains its own meter database. There is no standardized way to look up a meter number across utilities or countries. A token purchased for a specific meter number must be validated against the correct utility's database, requiring routing logic based on meter number patterns or explicit utility selection by the user.
Offline Areas
In areas with limited mobile network coverage, digital payment channels are inaccessible. Many rural electrification schemes still rely on physical vending points (shops or kiosks) where agents sell tokens manually. These agents typically use desktop-based vending applications connected via occasional internet connectivity.
Legacy Systems
Many utilities, particularly smaller ones in less commercially attractive markets, operate on legacy IT systems that lack modern API interfaces. Integrating with these systems often requires building custom adapters to older SOAP/XML services, screen-scraping legacy web portals, or working through manual processes that are automated via bots.
Revenue Protection
Electricity theft remains a significant challenge across sub-Saharan Africa (estimated at 20-40% of generated electricity in some markets). Prepaid metering helps address this by ensuring payment before consumption, but tampered meters and bypassed connections continue to reduce utility revenues and complicate digitization efforts.
The API Opportunity
Despite these challenges, the opportunity for API-driven electricity payment platforms is substantial:
- Market size: Millions of prepaid electricity transactions occur daily across sub-Saharan Africa. Each is a potential API call.
- Growing digital payment penetration: As mobile money adoption increases, more consumers will prefer digital electricity purchases over physical agent visits.
- Aggregation value: No single developer wants to integrate with dozens of utilities individually. A unified API that covers multiple utilities across multiple countries provides clear value.
- Adjacent services: Electricity payment APIs create a platform for adjacent services - water payments, TV subscriptions, internet bills - through the same integration.
Conclusion
Electricity payment digitization in sub-Saharan Africa is accelerating but remains far from complete. The deployment of prepaid meters (STS standard) has created the technical foundation for digital payments. Mobile money has provided the payment rail. But the integration layer - the APIs that connect digital payment channels to utility vending systems - remains underdeveloped relative to the market opportunity.
The path forward requires addressing fragmentation (no two utilities are the same), reliability (utility systems have variable uptime) and coverage (reaching beyond the largest utilities to smaller markets). Companies that solve these challenges will enable millions of consumers to purchase electricity as conveniently as they purchase airtime today.
Sources: IEA World Energy Outlook 2023, IEA Africa Energy Outlook 2023, World Bank Tracking SDG 7 (2023), KPLC Annual Report 2024, STS Association Technical Standards, Nigeria NMMP Programme Reports, ECG Ghana Operational Reports.