Renewable energy finance has expanded alongside broader clean-energy investment, but the available measures cover different populations. The figures below distinguish renewable generation from grids, storage, efficiency, electrification and other clean-energy categories, while identifying estimates, forecasts and historical observations.
Key Renewable Energy Finance Statistics
The most broadly useful figures in this overview are:
- In 2024, global energy investment was expected to exceed USD 3 trillion across the global energy sector.
- In 2024, about USD 2 trillion was expected to flow to clean-energy technologies and infrastructure globally.
- In 2024, clean-energy investment in emerging markets and developing economies outside China was expected to approach USD 320 billion.
- From 2020 to 2024, China’s clean-energy investment growth was about 75%.
- In 2024, Africa’s clean-energy investment was over USD 40 billion, nearly double its 2020 level.
- In 2024, solar PV power-sector investment was projected to exceed USD 500 billion globally.
- In 2024, the clean-power-to-unabated-fossil-power investment ratio was expected to reach 10:1 globally.
- In 2024, global grid investment was expected to reach USD 400 billion.
- In 2024, battery-storage investment was set to exceed USD 50 billion globally.
- In 2024, China was expected to spend almost USD 680 billion on clean energy.
- During 2015–2023, commercial sources financed nearly three-quarters of global energy investment on average.
- During 2015–2023, public finance supplied around 25% of global energy investment on average.
- In 2019/2020, tracked global climate finance reached USD 632 billion.
- In 2019/2020, renewable energy received USD 324 billion, or 57% of mitigation finance.
- In 2019/2020, private sources supplied USD 222 billion of tracked renewable-energy finance.
- By 2030, an additional USD 500 billion per year is estimated to be needed to triple renewable capacity, including grids and battery storage.
Contents
- Global renewable energy finance scale and trends
- Solar, wind, grids and storage finance data
- Regional renewable energy finance statistics
- Public, private and development-finance participation
- Debt, equity, grants and blended climate finance
- Renewable energy finance gaps and 2030 investment needs
Global Renewable Energy Finance Scale and Trends
The IEA expected global energy investment to exceed USD 3 trillion for the first time in 2024. Its estimate included all energy investment, while clean-energy technologies and infrastructure were expected to receive about USD 2 trillion; that broader category includes renewables, electric vehicles, nuclear, grids, storage, low-emissions fuels, efficiency and heat pumps. Overview and key findings – World Energy Investment 2024
Clean-energy investment in emerging markets and developing economies outside China was expected to approach USD 320 billion in 2024, more than 50% above 2020 and around 15% of global clean-energy investment. These are IEA estimates for clean energy rather than renewable power alone.
The IEA reported different growth rates from 2020 to 2024: China’s clean-energy investment grew about 75%, advanced economies’ investment about 50%, and EMDE outside China more than 50%. Africa’s clean-energy investment was over USD 40 billion in 2024, nearly double its 2020 level.
A historical renewable-capacity benchmark provides a narrower definition: global investment in new renewable-energy capacity reached USD 272.9 billion in 2018. Global Trends in Renewable Energy Investment 2019
Solar, Wind, Grids and Storage Finance Data
Solar PV was the largest named generation technology in the supplied outlook. Solar PV power-sector investment was projected to exceed USD 500 billion globally in 2024; this concerns generation investment rather than all solar finance.
The IEA also compared investment productivity over time: each dollar invested in wind and solar PV in 2023 yielded 2.5 times more energy output than a dollar invested in the same technologies approximately a decade earlier. This is a technology-cost and output comparison, not a project-level financial return.
| Measure | Period and geography | Reported figure |
|---|---|---|
| Clean-power-to-unabated-fossil-power investment ratio | 2015, global power sector | 2:1 |
| Clean-power-to-unabated-fossil-power investment ratio | 2024 estimate, global power sector | 10:1 |
| Grid investment | 2024 estimate, global electricity grids | USD 400 billion |
| Battery-storage investment | 2024 forecast, global battery storage | Over USD 50 billion |
Unabated fossil power excludes carbon capture. Grid and storage spending enables renewable deployment but is not renewable-generation finance itself; global grid spending had stagnated around USD 300 billion annually from 2015 through 2023 before the expected 2024 increase, and advanced economies plus China accounted for 80% of global grid spending in the 2024 context. Overview and key findings – World Energy Investment 2024
Battery storage remains geographically concentrated. For every dollar invested in battery storage in advanced economies and China in 2023, only one cent was invested in other emerging markets and developing economies.
Regional Renewable Energy Finance Statistics
Regional figures often measure clean energy or total energy rather than renewable generation alone. The IEA expected the United States to invest more than USD 300 billion in clean energy in 2024, equal to 1.6 times its 2020 level; the European Union’s current clean-energy spending was about USD 370 billion, and China’s was expected to approach USD 680 billion in 2024. Overview and key findings – World Energy Investment 2024
Household participation is another regional lens. In 2023, households represented 29% of total energy investment in Japan and Korea, 27% in Europe and 11% in North America.
These percentages cover all energy investment, not renewable energy alone.
| Geography | Period | Household share of total energy investment |
|---|---|---|
| Japan and Korea | 2023 | 29% |
| Europe | 2023 | 27% |
| North America | 2023 | 11% |
Energy-efficiency spending on buildings accounted for 50% of all energy-related investment in Japan, Korea and Europe in 2023. That measure concerns efficiency investment, not renewable generation finance. Who is investing in energy around the world, and who is financing it?
Public, Private and Development-Finance Participation
Commercial sources financed nearly three-quarters of global energy investment on average during 2015–2023, while public finance supplied around 25% and development-finance institutions about 1%. These are global energy-sector averages, not renewable-only shares; commercial finance includes private equity, household savings, commercial debt and some state-directed lending.
Public participation was higher in emerging markets and developing economies: public finance accounted for 32% of energy-sector spending during 2015–2023, compared with 11% in advanced economies. In EMDE outside China, public institutions supplied 25% of energy-sector finance and DFIs supplied 4%; in China, public finance accounted for 40%.
- Public actors financed 30% of global transmission projects during the 2015–2023 context.
- Public actors financed 20% of global distribution projects during the 2015–2023 context.
- Households’ share of global energy investment rose to about 18% during 2015–2023, double their 2015 share.
- Households contributed more than 40% of the increase in clean-energy spending since 2016.
The household figures include rooftop solar, efficiency, heat pumps and electric vehicles, so they should not be read as a renewable-generation-only series. Who is investing in energy around the world, and who is financing it?
Debt, Equity, Grants and Blended Climate Finance
The IEA reported a current global energy-sector capital structure of about 46% debt and 54% equity. Debt financed around 50% of clean-power investment, close to 45% of end-use energy investment, and around 20% of clean-fuel and other emerging-technology investment during the reported 2015–2023 context.
These categories are broader than renewable generation.
The World Bank’s summary of CPI’s tracked climate-finance flows recorded USD 632 billion globally in 2019/2020. Public sources supplied USD 321 billion, or 51%, while private sources supplied USD 310 billion; development-finance institutions supplied USD 219 billion, or 68% of public climate finance, and commercial financial institutions plus corporations supplied almost 80% of private climate finance, or USD 248 billion. Overview of Climate Finance in Asset Recycling Public Private Partnership
| Instrument or allocation | 2019/2020 tracked climate finance | Scope |
|---|---|---|
| Debt instruments | USD 384 billion, 61% | Global tracked climate finance |
| Market-rate debt | USD 337 billion, 88% of climate-finance debt | Within debt |
| Low-cost or concessional debt | USD 47 billion, 12% of climate-finance debt | Within debt |
| Equity investments | USD 206 billion, 33% | Global tracked climate finance |
| Grants | USD 36 billion, 6% | Global tracked climate finance |
Renewable energy received USD 324 billion, or 57% of mitigation finance, in 2019/2020; solar PV and onshore and offshore wind made up over 91% of that amount. Private sources provided USD 222 billion of renewable-energy finance, compared with USD 101 billion from public sources.
These figures summarize CPI-tracked mitigation finance and are not directly comparable with the IEA’s 2015–2023 energy-investment averages.
Renewable Energy Finance Gaps and 2030 Investment Needs
The IEA estimates that an additional USD 500 billion per year is needed to triple renewable capacity by 2030, including grids and battery storage. In its scenario framing, that additional amount would double current annual spending on renewable generation, grids and storage by 2030; it is a requirement relative to a transition pathway, not a measured financing shortfall in one year. Overview and key findings – World Energy Investment 2024
Broader end-use investment needs are larger. Efficiency and electrification investment would need to reach about USD 1.9 trillion in 2030, roughly triple the current rate; this includes efficiency and electrification rather than renewable-generation finance alone.
Development-finance institutions supplied a cumulative USD 470 billion for energy projects between 2013 and 2021. The total included fossil and clean-energy projects, and China-based DFIs accounted for slightly more than half.
- More than 90% of DFI energy-project financing from 2013–2021 was debt, about 3% was equity and about 6% was grants.
- Sustainable debt issuance exceeded USD 1 trillion globally in 2023 for the third consecutive year.
- 2023 sustainable-debt issuance was 25% below its 2021 peak.
The DFI percentages are rounded, and the IEA notes that the debt was not all concessional. Sustainable debt is broader than renewable-energy finance, so its market total should not be treated as a direct measure of renewable investment. Overview and key findings – World Energy Investment 2024