First Solar, Inc. (FSLR)

FY2025 revenue grew ~25% to ~$4.5B as new US manufacturing capacity ramped. This substantially outpaces global solar peers who face tariff headwinds. First Solar is the fastest-growing large-cap solar company on a revenue basis.

First Solar holds ~5% of global solar module shipments but ~15-20% of the US utility-scale market. Share is growing domestically due to tariff protections and BNEF-compliant domestic content requirements. Globally, Chinese producers still dominate with 80%+ share.

First Solar commands a 10-20% premium over Chinese modules in the US market due to domestic content advantages and tariff avoidance. However, the backlog is largely contracted at fixed prices through 2028, limiting ability to capture further upside. Global module ASPs have collapsed 50%+ since 2022.

Series 7 large-format modules are competitive on efficiency (~19.5%) but still trail premium crystalline silicon panels (22%+). R&D spending on perovskite tandem technology could leapfrog competitors if successful, but commercial-scale production is 3-5 years away.

Solar modules are relatively commoditized — developers choose based on price, efficiency, and availability. First Solar's domestic content certification creates artificial switching costs for projects seeking IRA bonus credits, but these evaporate if policy changes.

Solar manufacturing has no meaningful network effects. First Solar's bankability and track record provide some advantages in project finance, but this is reputation-based rather than a true network effect.

This is where First Solar's moat lives. Section 45X manufacturing credits ($0.07/Wdc), AD/CVD tariffs on Chinese panels, and UFLPA (forced labor) enforcement collectively create a massive cost advantage for US-made panels. First Solar's CdTe technology also avoids polysilicon supply chain risks tied to Xinjiang. 200+ patents protect the thin-film manufacturing process.

First Solar's vertically integrated manufacturing (glass substrate to finished module) is capital intensive but delivers lower per-watt costs than competitors trying to establish US manufacturing. The $2B+ investment in Alabama, Louisiana, and Ohio factories creates scale advantages that new entrants cannot easily replicate.

FY2026 EPS estimates have been stable, reflecting the visibility from the contracted backlog. Upside revisions are limited by fixed-price contracts. The Street models 15-20% EPS growth but with wide error bars around policy assumptions.

First Solar's narrative swings with political winds. IRA repeal rhetoric pressures the stock; infrastructure spending announcements boost it. The 'energy independence' and 'reshoring' narratives are tailwinds, but First Solar is also caught up in anti-ESG sentiment from some political factions.

CEO Mark Widmar has executed well on manufacturing expansion and backlog management. Capital allocation is focused on capacity growth, which is the right priority. Balance sheet is strong with net cash. The concern is that management is over-investing in capacity at peak policy tailwinds.