Executive decision-makers’ guide to investing in renewable energy 2025
Summary
The guide outlines the landscape of renewable energy in South Africa, emphasizing the shift toward private procurement and the dominance of solar PV. It details two primary implementation models—embedded generation and wheeling—and provides a comprehensive breakdown of financing options, including bank-specific instruments and power purchase agreements. The document also highlights the strategic role of backup storage for peak shaving and load shifting, lists available South African tax incentives for energy efficiency and renewable assets, and identifies critical grid and regulatory hurdles businesses may encounter.
Key insights
- Private procurement of renewable energy in South Africa has increased due to regulatory changes in 2022/23, with solar PV leading the market because of its lower cost, scalability, and shorter implementation timelines.
- Businesses can implement renewable energy via embedded generation (on-site installation like rooftop solar) or wheeling (procuring energy from remote independent power producers via the grid). Wheeling is particularly useful for businesses lacking installation space but requires a compatible distribution network; it does not protect against loadshedding.
- Financing models for renewable energy range from outright purchase and debt finance (typically 5-10 years) to lease-to-own and Power Purchase Agreements (PPAs), with the latter spanning 10-20 years and shifting performance risk to the provider.
- Backup storage technologies, such as Li-ion and advanced lead acid batteries, provide benefits beyond loadshedding protection, including peak reduction/shaving to avoid demand charges and load shifting to utilize cheaper off-peak tariffs.
- South African businesses can access several tax incentives: Section 12L for energy efficiency deductions (95c/kWh), Section 12B for 100% accelerated depreciation of renewable assets in the first year, and Section 12I for large-scale greenfield (min R50 million) or brownfield (min R30 million) projects.
- Key implementation hurdles include a transmission and distribution grid not designed for new generation connections, a dynamic policy environment where projects over 1MW face more legislative hurdles, and constraints related to zoning and land claims.
Cite the original document
- APA
- GreenCape (2025). Executive decision-makers’ guide to investing in renewable energy 2025. https://greencape.co.za/wp-content/uploads/2025/05/Executive-decision-makers-guide-to-investing-in-renewable-energy-2025.pdf
- Chicago
- GreenCape. Executive decision-makers’ guide to investing in renewable energy 2025. 2025. https://greencape.co.za/wp-content/uploads/2025/05/Executive-decision-makers-guide-to-investing-in-renewable-energy-2025.pdf.
- Wikipedia
- {{cite report |author=GreenCape |title=Executive decision-makers’ guide to investing in renewable energy 2025 |date=2025 |url=https://greencape.co.za/wp-content/uploads/2025/05/Executive-decision-makers-guide-to-investing-in-renewable-energy-2025.pdf |access-date=17 August 2026 |via=Climate Insights Directory}}
- BibTeX
- @techreport{greencape2025executive, author = {{GreenCape}}, title = {{Executive decision-makers’ guide to investing in renewable energy 2025}}, institution = {GreenCape}, year = {2025}, url = {https://greencape.co.za/wp-content/uploads/2025/05/Executive-decision-makers-guide-to-investing-in-renewable-energy-2025.pdf}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }
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