By: Shreyas Gowda, Senior VP- Sales & Operations at Oorjan
Solar energy has gone from a niche sustainability effort to a core investment asset class extremely quickly. As nations sprint toward net-zero targets and energy security moves to the top of most country’s agenda, solar power is increasingly seen not just as infrastructure, but as a safe long-term investment. Public deal-making the allocation of institutional, private equity, sovereign fund and even retail capital into solar assets that yield predictable cash flows is occurring at an accelerating pace thanks to supportive policies and decreasing technology costs.
Solar Boom in the World: Numbers That Make Sense
The global scale of solar adoption is what really highlights its investment worthiness. Not only the International Energy Agency (IEA) found out that solar PV represented nearly 75% of global renewable capacity additions in 2023, with more than 420 GW added in a single year. Worldwide solar capacity could exceed 2,000 GW by 2026, almost tripling compared to levels in 2020.
BloombergNEF also estimates that more than $500 billion was spent on renewable energy in 2023, with the largest share going to solar. Solar has become one of the cheapest sources of electricity ever, with utility-scale solar tariff prices dropping by almost 85 per cent over the last 10 years — rendering it very competitive with fossil fuels.
India’s Solar Growth Story: An Investor’s Paradise
India is one of the most attractive solar markets in the world. The country had installed more than 75 GW of solar capacity as of 2024 and is seeking to achieve 280 GW under commitments made for renewable energy reach by 2030.
Also, the investment environment has been created with the government push such as through the Production Linked Incentive (PLI) scheme, solar park development and net metering policies. In addition, India saw a record $14 billion in renewable energy investment (mostly solar) in 2023.
Most solar tariffs offered in India, down to record lows ₹2–₹2.5 per kWh, will continue to receive strong demand from commercial and industrial (C&I) consumers seeking to hedge against increasing grid electricity costs.
What Makes Solar An Attractive Asset Class
Predictable and Stable Cash Flows
Solar projects are often contracted for 15–25 years under long-term Power Purchase Agreements (PPAs). Such contracts provide predictable revenue streams, making solar assets similar to fixed-income instruments or infrastructure bonds.
Falling Costs and Improving Technology
The price of solar modules, inverters and balance-of-system components has dropped markedly, while efficiency has improved. This makes projects more viable and raises the internal rates of return (IRRs) — often between 10–16% in India depending on project structure and risk profile.
Low Operational Risk
Solar installations, in contrast, have little fuel risk (solar energy is free), and lower maintenance requirements than fossil fuel plants. The operating costs are generally less than 1–2% of the total cost of the project on an annual basis, which boosts long-term profitability.
Strong Policy and ESG Alignment
Both international and domestic regulations are increasingly supporting investments in clean energy. Solar fits nicely into Environmental, Social, and Governance (ESG) mandates, which is also why institutional investors like to invest in it for a sustainable portfolio. ESG-linked funds have experienced rapid expansion, with total net assets worldwide surpassing $2.5 trillion.
Emergent Solar Investment Models
InvITs and Structures Similar to REITs
Competitive yields from operational solar assets have enabled the emergence of renewable energy InvITs in India, giving investors a share. They provide liquidity and diversification and make solar accessible beyond big institutions.
Rooftop Solar and Distributed Investments
Retail investors can fund small-ticket rooftop solar assets through platforms enabling fractional ownership in projects and earn returns against energy savings or lease. The C&I rooftop segment alone is projected to grow at over 15–20% CAGR in India.
Green Bonds and Climate Finance
Green bonds are increasingly used to finance solar, and India is one of the top emerging markets for green debt issuance. World-wide, issuance of green bonds will surpass $600 billion in 2023 (with a good part going to solar and renewable infrastructure.)
Corporate Demand Driving Solar Investments
Millions of others are already benefiting from direct funding, which will help scale solar as an asset class. Initiatives like RE100 have many companies across industries committing to 100% renewable energy targets. In India, aggressive adoption of solar across sectors like manufacturing, data centers and FMCG, pharmaceuticals for savings on energy costs and carbon footprint.
Corporate PPAs are fast emerging as the preferred model, providing developers with long-term revenue visibility while allowing companies to hedge against volatile electricity prices.
The Future Of Road: Solar General Portfolio Allocation
Solar as an asset class has a bright future ahead. As energy demand continues to increase and decarbonization picks up speed, solar will likely continue to be the world’s number-one source of new capacity additions. In India alone, solar investments are expected to be over $20–25 billion a year by 2030.
For investors, solar is more than a green choice it’s a smart one. Providing a unique mix of stable returns, inflation hedging, and ESG compliance, solar assets have started to find their place next to all-time asset classes such as equities, debt or real estate.
The Final Step: Fueling the Next Investment Revolution
Solar has matured as a deployment scale, capital class. With rock solid fundamentals, supportive policies and increasing demand, its working to redefine how investors look at infrastructure and sustainability. As the world transitions to a low-carbon economy, solar is at that meeting of profitability and purpose — making it one of the most powerful investing opportunities this decade.