South Africa Wind Energy - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The south africa wind energy market size was valued at 3.69 gigawatt in 2025 and estimated to grow from 4.35 gigawatt in 2026 to reach 9.92 gigawatt by 2031, at a CAGR of 17.92% during the forecast period (2026-2031). This report is Segmented by Location (Onshore and Offshore), Turbine Capacity (Less Than 3 MW, 3 To 6 MW, and Above 6 MW), and Application (Utility-Scale, Commercial and Industrial, and Community Projects). The Market Size and Forecasts are Provided in Terms of Installed Capacity (GW).

South Africa Wind Energy Market Trends and Insights

IRP-2019 Wind Quota of 1.6 GW/yr Ensures Steady Pipeline

A fixed 1.6 GW annual procurement target gives developers visibility to lock in turbine supply, negotiate debt at tighter spreads, and shorten construction cycles, contrasting with earlier stop-start bid windows. The quota’s Cape-province focus aligns grid reinforcement priorities with the highest capacity-factor zones, encouraging efficient capital deployment. Draft IRP-2024 scenarios raise cumulative wind ambition to as high as 76 GW by 2050, yet near-term momentum still hinges on timely auction calendars. Predictability is already compressing project development timelines by up to nine months as financiers view repeatable bid rounds as lower-risk. This certainty is also stimulating domestic tower fabrication commitments in Humansdorp.

Rapid LCOE Decline Keeps Wind Cheaper Than New Coal & CCGT

Onshore wind’s LCOE has fallen to USD 40-50 / MWh, far below new coal and gas alternatives when carbon costs are included. Turbine scaling to 5-6 MW machines with 180 m rotors lifts capacity factors in South Africa’s coastal regimes to 35-45%. Mining majors such as Rio Tinto now secure 20-year PPAs priced beneath Eskom’s escalating tariffs, using wind as a hedge against price inflation and emissions compliance. The cost gap is widening as coal plants confront retrofit expenses, while wind projects see negligible variable costs post-commissioning. Declining costs also underpin the economics of hybrid wind-battery plants that can arbitrage curtailment periods.

Cape-Province Grid Congestion & Queue Backlogs

Curtailment climbed to 307 GWh in 2024 and already exceeds 403 GWh in 2025 as saturated corridors force grid operators to prioritize conventional generation. Connection queues lack transparency, leaving new developers facing three-year waits even after permits. Projects with legacy allocations enjoy priority, producing a two-tier market that dampens competition. Frequency excursions tied to rising inverter-based penetration have led NTCSA to tighten grid-code rules, raising project costs. Although the Independent Transmission Projects model promises relief, tariff-recovery mechanisms remain untested.

Other drivers and restraints analyzed in the detailed report include:

• REIPPPP Auctions Unlocking > 7 GW Private Investment
• Surge in Corporate-PPA Wheeling Deals Post-2024 Grid Code
• Lengthy EIA & Land-Use Permitting Timelines

Segment Analysis

Onshore capacity totaled 3.69 GW in 2025, capturing the entire South Africa wind energy market share, and is projected to expand at an 17.86% CAGR as developers exploit 35-45% capacity factors along the Cape coastline. Proven resource data, existing transmission nodes, and standardized permitting templates shorten project cycles, making onshore the low-risk growth avenue. Balance-of-plant savings from larger turbines further enhance onshore economics, consolidating its primacy within the South Africa wind energy market.

A fledgling offshore segment is emerging through feasibility studies on floating platforms off KwaZulu-Natal, yet it contributes 0.00% to the South Africa wind energy market size today. Deep waters, absence of leasing regulations, and port-infrastructure gaps keep commercial deployment unlikely before 2035. Nonetheless, the Agulhas Current offers high and consistent wind speeds that could one day diversify geographic risk away from constrained onshore corridors.

Complete Report Scope:

• By Location
  • Onshore
  • Offshore
• By Turbine Capacity
  • Up to 3 MW
  • 3 to 6 MW
  • Above 6 MW
• By Application
  • Utility-scale
  • Commercial and Industrial
  • Community Projects
• By Component (Qualitative Analysis)
  • Nacelle/Turbine
  • Blade
  • Tower
  • Generator and Gearbox
  • Balance-of-System

List of Companies Covered in this Report:

• Vestas Wind Systems A/S
• Siemens Gamesa Renewable Energy SA
• Nordex SE
• Enel Green Power SpA
• Mainstream Renewable Power Ltd
• Electricité de France SA (EDF Renewables)
• Eskom Holdings SOC Ltd
• Red Cap Energy (Pty) Ltd
• Cennergi (Pty) Ltd
• BTE Renewables
• Acciona Energía
• Ørsted A/S
• Hexicon AB
• China Longyuan Power Group Co., Ltd
• Goldwind Science & Technology Co., Ltd
• Siemens Energy AG
• Qair Group
• African Clean Energy Developments (ACED)
• Globeleq
• H1 Holdings (Pty) Ltd

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support