What Mainstream Finance Means
Mainstream finance is the world's largest pool of capital. Accessing it requires nuclear to meet the standards of a competitive, global asset class.
What is mainstream finance? What role can it play in helping the industry minimize the cost of capital?
Mainstream finance is the global market of commercial investors, financial institutions, and capital allocators that deploy capital based on competitive risk-adjusted returns.
It represents the largest pool of capital available to the real economy, informed by extensive market experience and continuous risk assessment. In a well-functioning market, mainstream finance prices and allocates risk in a way that preserves capital and generates expected returns.
Risk is the primary determinant of both the cost and availability of mainstream capital. When risks are poorly understood or lack a track record of successful transactions, investors become more cautious, capital becomes scarcer, financing costs increase, and liquidity declines. At one end of the market, venture capital and non-investment-grade debt are willing to accept higher levels of risk in exchange for higher returns. At the other, large institutional investors favour the stable, long-term cashflows typically associated with infrastructure assets.
“The challenge for nuclear power is as much about capital as it is about technology. We often hear about the need for nuclear power to become more standardised if it is to become scalable and cost-effective, and financing is a core part of that transition. World Nuclear Association has taken on an important and ambitious task in bringing together people who operate and advise across multiple jurisdictions and technology classes. That collaboration is essential if we are to meet the urgent demand for capital that will support the exponential growth of this critical asset class.”
Ananya Modi
Managing Director, Rothschild & Co
Mainstream finance is essential to the industry’s growth and scaling imperatives because accessing large pools of commercial capital requires projects, developers and supply chains to reduce, mitigate, allocate and accurately price risk and reward.
Commercial finance imposes financial discipline that supports long-term industrial competitiveness and reduces structural dependence on government balance sheets. Mainstream financiers are distinct from state-backed entities (including public development banks, development finance institutions, multilateral financial institutions, specialized financial institutions, and export credit agencies). These institutions often provide capital on linked, blended, or concessional terms, or deploy guarantees and insurance instruments in pursuit of public policy objectives rather than purely commercial ones. Their role is often catalytic, helping mobilize commercial finance rather than substituting for it. Mainstream finance is presented here as the target model, but it is not the only viable model; many mature financing frameworks co-exist in support of nuclear technologies, and not all require sustained access to private capital markets. However, the ability to attract commercial finance at scale is a reliable indicator of an industry’s progress in reducing risk, improving competitiveness and achieving long-term economic sustainability.
