Websol Energy Systems is the top gainer on the BSE since the opening bell and is now frozen at its 10% UC of the day at Rs.106.53. Its 52-week high stands at Rs.159.90. Onix Solar also stands frozen at its 2% UC at Rs.1001.75. Premier Energies, Indo Solar are other stocks showing momentum today.

Solar-linked names are seeing a “theme rally” today morning with investors buying into the idea that solar is moving from an “alternative” to a mainstream pillar of energy supply.

The trigger doing the rounds is the global milestone that solar has overtaken gas as a key source of energy supply growth: the International Energy Agency’s Global Energy Review noted that in 2025, solar emerged for the first time as the single largest contributor to growth in global energy supply, accounting for about a quarter of the increase (report cited in a Net Zero Investor write-up dated April 20, 2026).

Markets typically re-rate sectors when they believe the demand curve has structurally shifted, not just cycled, because that changes how long earnings visibility can remain elevated across the value chain.

In India, the “global narrative” is getting an extra domestic tailwind from expectations that India’s solar build-out remains one of the fastest, which is keeping sentiment constructive across developers, EPCs and manufacturers. That combination often drives broad-based buying: investors don’t try to pick only “the best company” on day one; they first buy the basket, then rotate into names where order books, capacity and execution are more visible. That’s why you’ll see stocks like Websol stay in focus when there’s a hard, company-specific hook (orders/capacity roadmap), while larger liquid names get pulled up via sentiment and flows.

From here, the rally’s durability depends on whether it graduates from “headline + flows” to “numbers + execution.” The names that usually hold gains are the ones with (1) visible order books/project pipeline, (2) credible capacity additions without balance-sheet strain, and (3) improving working-capital discipline. The ones that tend to fade are the momentum-only “solar proxies” where earnings and cash conversion don’t catch up.