Sustainable/Impact Investing] The Future of Private Markets in the Age of Transition

Why private markets will define the next era of energy & infrastructure investing.

Sustainable/Impact Investing] The Future of Private Markets in the Age of Transition
Photo by Pawel Czerwinski / Unsplash

Executive Summary

Private capital sits at the center of a once-in-a-century build-out of clean power, grids, storage, and firm capacity. Annual clean-energy investment must rise to ~US$4.5 trillion by the early 2030s to keep a 1.5°C pathway in reach, up from ~US$1.8 trillion in 2023¹. In 2024, energy-transition investment reached a record US$2.1 trillion across renewables, grids, storage and electrified transport², while corporate PPAs hit an all-time high of ~46 GW in 2023 and continued to accelerate into 1H24³. The deal flow increasingly favors private markets: flexible mandates, operating expertise, and origination engines allow leading managers to solve complexity at scale—from Brookfield’s 10.5-GW framework with Microsoft, the largest corporate clean-power deal to date⁴, to blended-finance vehicles mobilizing capital for emerging markets. Despite a period of slower fundraising, infrastructure dry powder and AUM remain near records, with 2024 fundraising roughly flat year-over-year (~US$95bn) and a long pipeline of transition assets seeking owners with patient capital⁵. The next decade will reward private managers who can originate at scale, secure long-dated offtake, and integrate policy and carbon-market know-how into underwriting.

Three key takeaways

  1. Scale & certainty beat price: Corporate load growth (AI/data centers, electrification) prioritizes guaranteed delivery of new clean power. Mega-frameworks like Microsoft–Brookfield (10.5 GW) are the new benchmark⁴.
  2. Structure is a moat: Transition flagships, evergreen/core infra, catalytic/blended finance, and transition credit each unlock different risk/return pockets and crowd in public and sovereign capital (e.g., ALTÉRRA, CFP)⁶⁷.
  3. Policy & carbon integrity matter: ISSB IFRS S2 disclosures are now effective (2024), and the ICVCM Core Carbon Principles are reshaping voluntary credit quality—key for contracted revenue and transition plans⁸⁹.

I. Why private markets are advantaged in the transition

Long-duration, control-oriented capital aligns with real-asset build-outs (renewables, storage, transmission, flexible generation, heat electrification, efficiency, and digital infrastructure). Private managers can underwrite multi-revenue stacks (energy + capacity + ancillary + RECs/GPAs + flexibility) and solve non-linear risks (interconnection, supply chains, permitting). The macro tailwinds are clear: clean-energy investment needs to reach ~US$4.5T/yr by early 2030s, vs. ~US$2.1T in 2024¹².

Corporate demand is now a primary growth engine: record 46 GW of corporate PPAs in 2023 with H1-2024 volumes running ahead³. That demand is concentrated in hyperscale compute and 24/7 CFE programs, favoring scaled platforms with guaranteed delivery capability.

Regulatory standardization is steadily reducing disclosure ambiguity: ISSB IFRS S1/S2 effective from 2024 and EU SFDR and Taxonomy keep raising the bar for high-integrity reporting—advantages for sophisticated GPs/Lps with robust data pipelines⁸¹⁰¹¹¹².


II. Vehicles that win: flagship transition, catalytic/blended, evergreen/core, and transition credit

Private platforms differentiate through vehicle architecture:

  • Flagship transition funds (e.g., Brookfield Global Transition Fund I, US$15bn, 2022¹³; BGTF II securing ~US$10bn commitments by early-2024¹⁴) scale operating platforms across generation, grid, and decarbonization services.
  • Catalytic/blended finance (e.g., Brookfield Catalytic Transition Fund US$2.4bn first close with ALTÉRRA as US$1bn cornerstone; 2024) targets risk-perception gaps in EMs and system bottlenecks¹⁵¹⁶.
  • Evergreen/core infrastructure vehicles lock in long-dated, inflation-linked cash flows (e.g., BlackRock Evergreen Infrastructure Fund ~US$1bn first close, 2023)¹⁷.
  • Transition private credit is filling capex and late-stage development gaps at scale (e.g., Apollo’s ACT Capital partnership with Standard Chartered, US$3bn, 2025; and US$100bn by 2030 sustainability deployment goal)¹⁸¹⁹.

III. Comparative snapshot: leading private-market players (selected transition vehicles & activity)

Manager Vehicle / Size (USD) Vintage / Status Focus & Notes Illustrative activity
Brookfield Global Transition Fund I – $15bn¹³; BGTF II – ~$10bn raised¹⁴ 2022; 2024-raising Multi-segment transition (gen, grid, industrial decarb); operator-led 10.5-GW clean-power framework with Microsoft (2024)⁴; Westinghouse (51%) closed 2023²⁰; agreed to acquire National Grid Renewables US (2025)²¹
Catalytic Transition Fund – $2.4bn 1st close¹⁵¹⁶ 2024 Blended/catalytic, EM focus (ALTÉRRA cornerstone) Mobilizing concessional & institutional capital to de-risk EM pipelines
BlackRock Decarbonization Partners Fund I – $1.4bn²² 2024 Growth/late-venture decarb with Temasek Investment in Recurrent Energy (2024)²³
Global Renewable Power Fund III – $4.8bn²⁴ 2021 Utility-scale renewables globally Portfolio across wind/solar/storage; Taiwan New Green Power tie-up w/ Google (2024)²⁵
Evergreen Infrastructure – ~ $1bn 1st close¹⁷ 2023 Open-ended core infra; energy transition & security First investment in U.S. C&I solar/battery platform¹⁷
Apollo ACT Capital (with Standard Chartered) – $3bn¹⁸ 2025 Transition credit (grid, renewables, storage, decarb infra) Scaled origination via bank-GP partnership; goal $100bn by 2030¹⁹
Carlyle Revera Energy – new platform²⁶ 2025 EU renewables IPP platform build-out Platform creation to accelerate greenfield-to-operating rotation
KKR Global Infrastructure IV – $17bn²⁷ 2022 Global core+ infra with energy transition sleeve India Virescent renewables platform & VRET InvIT²⁸²⁹
Macquarie (MAM/GIG) Energy transition platforms (var.) Ongoing Offshore wind, storage, grids; #1 energy transition adviser by Inspiratia (2024)³⁰ Taiwan offshore; EU grid & storage pipelines
Blackstone Blackstone Energy Transition Partners IV – $5.6bn³¹ 2024 Energy transition PE/infrastructure Invenergy Renewables equity (prior), networks & storage focus
TPG Rise Climate – $7.3bn³² 2022 PE + transition infra + Global South Nextracker $500m pre-IPO investment (2022)³³³⁴; 2025 agreement to take Altus Power private³⁵

Notes: table focuses on marquee vehicles; managers often run multiple climate/infra strategies concurrently.

(Source: Brookfield, Utility Dive, bam.brookfield.com, alterra.ae, inarcassa.it, apollo.com, BlackRock, KKR, archives.nseindia.com, ir.carlyle.com, Blackstone, shareholders.tpg.com, investors.flex.com, SEC, Reuters)


IV. Where private markets deploy next (2025-2030): five investable themes

A. Data-center power & 24/7 CFE
Hyperscale AI load is creating multi-gigawatt procurement programs that value certainty of delivery over lowest headline price. The Microsoft–Brookfield 10.5-GW framework (2026–2030) is the blueprint: multi-technology portfolios (on/off-site renewables, storage, possibly nuclear services and other firming), phased CODs, and cross-market balancing⁴. Expect more developer-agnostic frameworks that crowd in third-party projects.

B. Grids, storage & flexibility
The bottleneck is moving from MW built to MW interconnected. ~2.3–2.6 TW of generation+storage sit in U.S. interconnection queues; reforms (FERC 2023+) and operator digitalization are improving throughput, but backlogs remain material³⁶³⁷³⁸. Private capital that can finance storage+grid upgrades and take cluster-study risk will earn premium returns.

C. Renewables + long-duration contracts
Corporate PPAs hit ~46 GW in 2023
with 1H-2024 ahead of 2023’s pace³. Multi-buyer clubs (data centers + suppliers) and synthetic + physical hybrids will proliferate, including APAC 24/7 CFE constructs. Sophisticated managers can arbitrage basis risk, shape, and balancing across portfolios.

D. Firm, low-carbon capacity & services
Nuclear life-extension, services, and new build (where policy allows) are re-entering core plans. Brookfield/Cameco’s Westinghouse deal underscores a services-heavy, asset-light way to access nuclear’s decarbonization role²⁰. Select CCUS, clean fuels, and industrial heat assets can clear when tied to contracted offtake and policy support.

E. Emerging markets via catalytic capital
Blended vehicles (e.g., ALTÉRRA, Climate Finance Partnership) use public/sovereign anchors and risk-tranching to crowd in institutional capital for EM climate infrastructure⁶⁷. These models can lower WACC where policy frameworks are credible and FX/convertibility risks are ring-fenced.


V. Risk management: disclosure, carbon integrity, and policy design

  • Disclosure: IFRS S2 (effective for periods from Jan 1, 2024) standardizes climate-risk/opportunity reporting globally; interoperability with EU SFDR and Taxonomy helps sophisticated managers build moats in reporting/data⁸¹⁰¹¹.
  • Carbon market integrity: The ICVCM Core Carbon Principles (March 2023; 2024 methods roll-out) are a credible quality bar; early assessments show a significant share of legacy credits do not meet CCP criteria—vital context for any credit-linked revenue or “transition plan” narrative⁹⁴⁰.
  • Macro & policy: Despite cyclical fundraising lulls, infrastructure capital raised in 2024 (~US$95bn) roughly matched 2023, keeping AUM near records as the opportunity set expands⁵. Sustained policy clarity (interconnection reforms, market design, contracting standards) remains the biggest accelerator.

VI. What “great” looks like for private-market leaders

  • Origination at scale: secure multi-GW frameworks (hyperscalers, industrials, utilities) with laddered CODs and cross-region balancing.
  • Stacked revenues: optimize energy + capacity + AS + incentives + high-integrity carbon, not just LCOE.
  • Interconnection muscle: fund queue deposits, cluster-study upgrades, and portfolio-level curtailment hedging.
  • Catalytic partnerships: blend public/sovereign anchors (e.g., ALTÉRRA, CFP) into EM portfolios to reduce cost of capital.
  • Credible reporting: align with IFRS S2, SFDR, and ICVCM CCPs; treat carbon strategy as P&L-relevant, not marketing.

VII. Conclusion

The numbers are stark: to hit 1.5°C-aligned pathways, clean-energy investment must roughly double again by the early-2030s¹. Corporates are already pulling supply forward (record PPAs), and the constraint set has shifted to grids, deliverability, and contractible, firm-clean power. This is precisely where private markets excel: long-term, solution-oriented capital with operating depth, structuring creativity, and a willingness to own complexity. Managers who pair scale with system integration—and who earn trust through disclosure and carbon integrity—will define the next decade of value creation.


VIII. Resources & References

  1. IEA – Net Zero Roadmap (2023 update): “investment needs to climb to ~US$4.5T/yr by early 2030s”
  2. BloombergNEF – Energy Transition Investment Trends 2025 (Jan 30, 2025): “US$2.1T in 2024”
  3. BloombergNEF – Corporate Energy Market Outlook (Feb 13, 2024): “record 46 GW corporate PPAs in 2023”
  4. Brookfield × Microsoft (May 1, 2024): “framework for >10.5 GW new capacity (’26–’30)”
  5. Preqin – Infrastructure in 2025 (Jan 15, 2025): “US$94.8bn raised across 94 funds in 2024; ~flat vs. 2023”
  6. ALTÉRRA (COP28, 2023): “US$30bn public-private climate vehicle”
  7. BlackRock – Climate Finance Partnership (Nov 2, 2021): “US$673m final close, blended finance for EM climate infra”
  8. IFRS – IFRS S2 Climate-related Disclosures: effective for annual periods beginning Jan 1, 2024
  9. ICVCM – Core Carbon Principles (2023; updated 2024): global benchmark for high-integrity credits
  10. EU – SFDR overview
  11. EU – Taxonomy overview
  12. IEA – World Energy Investment 2024: clean-energy ≈ US$2T in 2024; total energy > US$3T
  13. Brookfield – Global Transition Fund I (US$15bn, 2022)
  14. Utility Dive (Feb 2024): “Brookfield scores ~US$10bn for latest transition fund”
  15. ALTÉRRA anchor to Brookfield Catalytic Transition Fund
  16. BlackRock – Evergreen Infrastructure (Nov 16, 2023): ~US$1bn first close
  17. Apollo & Standard Chartered – ACT Capital (Jan 2025): US$3bn transition credit partnership
  18. Apollo – Sustainable investing goals: “US$50bn by 2027; US$100bn by 2030”
  19. Brookfield/Cameco – Westinghouse close (Nov 7, 2023)
  20. FT (Mar 3, 2025): Brookfield to buy National Grid’s US renewables business (~US$1.7bn)
  21. Reuters (Apr 25, 2024): Decarbonization Partners Fund I closes on US$1.4bn
  22. BlackRock (Feb 16, 2024): US$500m investment in Recurrent Energy
  23. BlackRock – Global Renewable Power Fund III (US$4.8bn, 2021)
  24. Reuters (Jul 1, 2024): Google stake in BlackRock-owned New Green Power (Taiwan) & up to 300 MW of PPAs
  25. WSJ (May 9, 2025): Carlyle Revera Energy launch
  26. KKR Global Infrastructure IV US$17bn (2022)
  27. KKR – Virescent Renewable Energy Trust
  28. KKR – Hero Future Energies investment (2022/2020-2022)
  29. Macquarie – Inspiratia ranking (2024): #1 energy-transition adviser
  30. Blackstone – Energy Transition Partners IV (US$5.6bn, 2024)
  31. TPG – Rise Climate (US$7.3bn, 2022)
  32. Flex/TPG Rise Climate (Feb 2, 2022): US$500m Nextracker preferred
  33. SEC (Nextracker 424B4, 2023): TPG Rise shareholdings
  34. PitchBook (Feb 6, 2025): TPG to acquire Altus Power (take-private)
  35. LBNL “Queued Up 2024”: ~2.6 TW in US interconnection queues (as of 2023)
  36. LBNL queue dataset (through 2024)
  37. Utility Dive (Apr 11, 2024): queue backlog context

Note) 'Resources & References' packets have been prepared with the help of AI and verified by humans.