Solar is the fastest-growing source of electricity in history and structurally cheap, but in 2026 it is a stock-picker's theme: a domestic-manufacturing and utility-scale boom running alongside a policy-squeezed, beaten-down residential segment.
📈 What changed: Enphase's Q1 2026 report (2026-04-28) showed the 'Q1 is the bottom' call did not hold: US sell-through fell ~48% sequentially versus Q4's pull-forward-driven surge, revenue fell ~…
| Indicator | Score | Reading |
|---|---|---|
| Maturity higher is better · high confidence | 82/100 | Mature, commoditised industry; multiple sub-segment leaders. |
| Evidence Strength higher is better · high confidence | 80/100 | Install data and backlogs corroborated across SEIA, Goldman and earnings; no peer-reviewed tier. |
| Commercial Proximity higher is better · high confidence | 78/100 | Revenue at scale now; utility-scale wedge proven, residential soft. |
| Capital & Policy Support higher is better · high confidence | 76/100 | Large multi-year support, but US residential policy is a live cross-current. |
| Crowding Risk lower is better · high confidence | 50/100 | Under-owned and beaten-down after the 2021-24 bust; a recovery, not a crowd. |
| Reflexivity Risk lower is better · high confidence | 50/100 | Policy-headline sensitive and high-beta, but with an earnings base. |
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