Global investors are pouring money into climate aligned assets even as political support for clean energy weakens in parts of the US and Europe. New data shows that green bonds and loans have surged to record levels this year, driven less by policy enthusiasm and more by rising electricity demand linked to artificial intelligence, data infrastructure, and electrification. The trend suggests that green finance is increasingly being treated as core infrastructure capital rather than a niche ESG allocation. According to Bloomberg Intelligence, global issuance of green bonds and loans has reached $947 billion so far this year, the highest level on record. At the same time, renewable energy equities are on track for their first annual gains since 2020, significantly outperforming the S&P 500, while companies tied to power grid upgrades and energy infrastructure continue to attract investor interest.

Investment Momentum Despite Policy Rollbacks

The strength of capital flows is striking given the political backdrop. In the United States, President Donald Trump has openly supported fossil fuels and rolled back clean energy subsidies and legislation. Europe has also softened some of its most stringent environmental regulations amid concerns over economic growth and industrial competitiveness. Yet investor sentiment has remained resilient. Clearer long term signals around electricity demand, combined with expectations of nearly 4 percent growth in global power consumption, are reshaping how markets view clean energy assets. The expansion of AI driven data centres, increased cooling needs, and broader electrification across industries are creating structural demand that is less sensitive to short term policy shifts. Melissa Cheok, associate director for ESG investment research at Sustainable Fitch, noted that green investments are increasingly seen as essential infrastructure and industrial assets. Capital, she said, is gravitating toward areas with predictable revenues, regulatory visibility, and strong demand fundamentals such as grid expansion and renewable generation tied directly to electrification.

Asia Pacific Emerges as the Engine of Growth

Much of the momentum in green debt issuance is coming from Asia Pacific. Companies and government linked issuers in the region raised $261 billion this year, an increase of about 20 percent from the previous year. China and India have played a central role, backing large scale renewable deployment and grid investment. China alone recorded $138 billion in green bond issuance, the highest level on record, led by its major state owned lenders. The country also launched its first sovereign green bond in London earlier this year, signalling an effort to broaden its investor base. India, meanwhile, continues to expand renewable capacity and has become one of the most active markets for green loans and equity issuance. The pricing advantage of green bonds is also most visible in the region. Data from BloombergNEF shows that some Asia Pacific issuers secured borrowing cost discounts of more than 14 basis points by issuing under a green label in November, highlighting strong investor appetite for labelled sustainable debt.

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Banks and Markets Driving the Expansion

Large financial institutions remain central to the growth of green debt markets. BNP Paribas SA and Credit Agricole SA are the leading global underwriters of green bonds this year, according to Bloomberg data. Over the past five years, the outstanding stock of green bonds has grown at a compound annual rate of about 30 percent and now represents roughly 4.3 percent of total global bond issuance, based on recent research from the LSE Group. Looking ahead, easing interest rates in the US and refinancing needs could further lift issuance. Crystal Geng, ESG research lead for Asia at BNP Paribas Asset Management, expects global green bond sales could reach as much as $1.6 trillion next year if financing conditions continue to improve.

Equity Markets Reinforce the Signal

The appetite for green assets is not limited to debt markets. Clean energy equity indices from S&P Dow Jones Indices and WilderShares have gained roughly 45 percent and 60 percent respectively this year, although both remain below their 2021 highs. In the US, solar and battery storage companies such as SolarEdge Technologies have been among the strongest performers. In China and Germany, wind turbine manufacturers have led equity gains. India has emerged as a particularly active market for renewable energy listings, with 11 IPOs raising more than $1 billion this year and another six companies seeking more than $3 billion. By comparison, 14 renewable firms raised $2.4 billion through IPOs last year.

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Uneven Global Distribution and Pressure on Margins

Not all regions have shared equally in the green debt surge. US green bond issuance fell 7 percent this year to $163 billion, while supranational issuance declined by a similar amount. Germany’s green debt market remained broadly stable at around $79 billion. India recorded a record $7 billion in green loan volumes, but strong participation from foreign banks has intensified competition. According to Jeanne Soh, head of structured finance for Asia at Sumitomo Mitsui Banking Corp, this has squeezed financing margins by between 5 percent and 10 percent on renewable and related projects. At the same time, some segments of sustainable finance are struggling. Issuance of sustainability linked debt fell by around 50 percent this year to $165 billion amid rising concerns about greenwashing. Transition bond issuance for hard to abate sectors dropped to just $10.9 billion, less than half of last year’s level.

Redefining Sustainable Finance in the Years Ahead

Some investors expect these patterns to evolve again. Xuan Sheng Ou Yong, a client portfolio manager for sustainable investing at Robeco in Singapore, said upcoming changes to European fund rules could allow asset managers more flexibility in defining what qualifies as a sustainable investment. This could reopen capital flows toward emissions reduction projects in higher emitting sectors. Overall, global sustainable debt volumes stood at about $1.6 trillion this year, down more than 8 percent from 2024, according to Bloomberg Intelligence. Separately, more than $500 billion of social bonds were issued in the US, largely tied to the Government National Mortgage Association, or Ginnie Mae, which guarantees mortgage backed securities. Taken together, the data suggests that while policy support may be uneven, capital markets are increasingly anchoring green finance to energy demand, infrastructure resilience, and long term industrial needs. As AI, electrification, and grid investment reshape global power systems, green debt is becoming less about signalling and more about financing the backbone of the next energy economy.

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