South africa renewable energy market size in 2026 is estimated at 18.18 gigawatt, growing from 2025 value of 16.31 gigawatt with 2031 projections showing 31.31 gigawatt, growing at 11.49% CAGR over 2026-2031. This report is Segmented by Technology (Solar Energy, Wind Energy, Hydropower, Bioenergy, Geothermal, and Ocean Energy) and End-User (Utilities, Commercial and Industrial, and Residential). The Market Sizes and Forecasts are Provided in Terms of Installed Capacity (GW).
Solar’s lower daytime capacity factor versus wind’s round-the-clock profile sparks hybrid proposals aimed at smoothing output and hitting dispatchable bids in future tenders. As battery prices fall, solar-plus-storage hybrids are expected to claim a growing slice of the South Africa renewable energy market for new utility awards.
South Africa Renewable Energy Market Trends and Insights
Escalating Electricity Tariffs Drive Commercial Solar Adoption
Average grid tariffs rose to R1.96 per kWh in 2024, while new utility-scale solar projects came in at nearly R0.55 per kWh, widening the savings gap. Registrations for private generation jumped from 7,454 MW in June 2024 to 9,662 MW in September 2024 as mining houses, led by Exxaro’s 68 MW Lephalale Solar project, opted for self-supply. Corporate power-purchase agreements now sidestep Eskom via trader portals, reinforcing the South Africa renewable energy market.Government IRP Targets Accelerate Utility-Scale Deployment
The IRP 2023 sets a rolling commitment for 3 to 5 GW of annual renewable builds and 7,220 MW of gas-to-power for flexibility. National Energy Regulator of South Africa (NERSA) cleared 1.1 GW of projects in Q3 2024 alone, showing faster permitting under the Electricity Regulation Amendment Act. A 10% import-tariff incentive on locally produced components underpins domestic content goals and cements regional leadership, with South Africa forecast to account for 40% of Sub-Saharan Africa’s 90 GW renewable additions by 2030.Transmission Grid Bottlenecks Constrain Northern Cape Development
Awarded wind volumes dipped when corridor capacity filled, leaving 133 GW in limbo. Kimberley-Upington’s 400 kV backbone was built for coal exports, not high-density renewables, so the Just Energy Transition Partnership’s USD 8.5 billion pledge focuses on new 765 kV lines. Slow disbursement delays unlock the Northern Cape’s top-tier solar and wind resources.Other drivers and restraints analyzed in the detailed report include:
- Technology Cost Convergence Reshapes Project Economics
- Private Project Licensing Reforms Unlock Distributed Generation
- Financing Costs Impede Project Bankability
Segment Analysis
Solar PV controlled 49.12% of the South Africa renewable energy market in 2025 and delivered 6 GW of registered capacity by September 2024. However, wind enjoys a 17.83% forecast CAGR thanks to 3,000+ full-load hours along coastal belts. For projects exceeding 100 MW, the technology share now stands at 54.4% solar and 45.6% wind, marking a rapid convergence. Concentrated solar power remains a niche market of approximately 500 MW, providing grid inertia, while hydro, bioenergy, and emerging ocean technologies offer limited incremental capacity. Strict IEC 61215 and IEC 61400 compliance underpins reliability, and turbine assembly at the Coega SEZ lends local depth.Solar’s lower daytime capacity factor versus wind’s round-the-clock profile sparks hybrid proposals aimed at smoothing output and hitting dispatchable bids in future tenders. As battery prices fall, solar-plus-storage hybrids are expected to claim a growing slice of the South Africa renewable energy market for new utility awards.
Complete Report Scope:
- By Technology
- Solar Energy (PV and CSP)
- Wind Energy (Onshore and Offshore)
- Hydropower (Small, Large, PSH)
- Bioenergy
- Geothermal
- Ocean Energy (Tidal and Wave)
- By End-User
- Utilities
- Commercial and Industrial
- Residential
List of Companies Covered in this Report:
- Scatec ASA
- EDF Renewables
- Enel Green Power
- Mainstream Renewable Power
- ENGIE SA
- Acciona Energia
- Juwi Renewable Energies
- Renewable Energy Holdings (Pty)
- Mulilo Renewables
- SolarAfrica Energy
- Hanwha Q-Cells
- Canadian Solar
- Trina Solar
- JinkoSolar
- Vestas Wind Systems
- Nordex SE
- Siemens Gamesa
- Goldwind
- Solar MD
- Abengoa
- First Solar
Additional Benefits:
- The market estimate (ME) sheet in Excel format
- 3 months of analyst support
Table of Contents
1 Introduction
4 Market Landscape
5 Market Size & Growth Forecasts
6 Competitive Landscape
7 Market Opportunities & Future Outlook
Companies Mentioned (Partial List)
A selection of companies mentioned in this report includes, but is not limited to:
- Scatec ASA
- EDF Renewables
- Enel Green Power
- Mainstream Renewable Power
- ENGIE SA
- Acciona Energia
- Juwi Renewable Energies
- Renewable Energy Holdings (Pty)
- Mulilo Renewables
- SolarAfrica Energy
- Hanwha Q-Cells
- Canadian Solar
- Trina Solar
- JinkoSolar
- Vestas Wind Systems
- Nordex SE
- Siemens Gamesa
- Goldwind
- Solar MD
- Abengoa
- First Solar
