Numbers

First Solar — The Numbers

First Solar is the only profitable solar manufacturer of meaningful size, and the only one of any size with a true net-cash balance sheet. FY2025 finally delivered what every prior year of capex promised: $5.22B revenue, $1.6B operating income (30.6% margin), and the company's first positive free cash flow year since 2014. The stock is down roughly a third from its FY2025 close of $261 to $191 — and the single number most likely to rerate or derate it from here is the Section 45X manufacturing tax credit, which generated $1.4B of saleable credits in 2025 and is the engine inside the reported margin.

Snapshot

Is this a well-run business that will still be around?

Returns, margins, leverage, and earnings quality, scored against where each metric sat 5 years ago.

Five years ago First Solar looked like a struggling cyclical with mid-single-digit returns and persistent cash burn. Today every line moves in the right direction at once: margins doubled, returns doubled, leverage fell, and operating cash conversion finally clears 100%. The transformation is real — the question, addressed below, is how much of it is structural and how much is policy-funded.

Revenue & earnings power — 20-year view

The revenue line tells one story (a cyclical that grew 4× in two decades but spent 2011–2019 going sideways). The margin line tells a different one — three distinct margin regimes punctuated by collapses in 2011, 2016 and 2022. The current 30%+ operating margin is the fattest in the company's history outside the 2008–2010 boom, and it is structurally linked to IRA 45X credits booked since 2023.

Quarterly direction — what is the run-rate doing?

Q4 2025 revenue of $1.68B was a record, but Q4 EPS of $4.84 still missed the $5.22 consensus, and 2026 guidance came in conservative — the proximate trigger for the recent share-price decline. Operating margin is wobbling in the low-30s rather than expanding further, suggesting the easy wins from IRA tailwind and pricing have been captured.

Cash conversion — are the earnings real?

OCF/NI averaged 0.94 over the trailing five years, but the underlying signal was distorted by the 2022 working-capital swing (huge OCF on a loss year) and the 2017 cash blowout. Cleaner: the company spent the entire decade pouring capex into capacity — over $9B cumulatively across 2016–2025 — and delivered cumulative FCF of just negative $2.4B through FY2024. FY2025's +$1.2B is the first real harvest. The capex curve has finally rolled over from $1.5B in 2024 to $0.9B in 2025, and management has guided lower from here.

Capital allocation

First Solar pays no dividend, runs a token buyback (about $20M/year of tax-withholding offsets, not real returns), and has spent essentially every cash dollar generated on capacity. With the FCF turn in 2025 the company chose to repay $961M of debt rather than buy back stock — a defensible choice given uncertainty around the Inflation Reduction Act, but a signal that management does not see the share price as a screaming buy at $260. SBC has stayed around $20–35M, immaterial against $1.5B net income.

Balance sheet — flexibility, not stress

Net cash of $2.4B against a $20B market cap means about 12% of the equity value is just the bank balance. Long-term debt has stayed under $700M across two decades. There is no leverage story here — and that matters because every solar peer is carrying meaningful balance-sheet stress right now.

Valuation — now vs its own 20-year history

This is the chart that anchors the thesis.

On every metric First Solar is trading roughly one full standard deviation cheap to its own 20-year history while delivering its highest-ever returns on capital and best-ever balance sheet. The reason is not subtle: investors are discounting the durability of FY2025 earnings because of policy risk around IRA Section 45X credits and uncertain 2026 module pricing. P/E of 13.4× and EV/EBITDA of 8.4× embed roughly a 30% earnings haircut from current run-rate.

Peers — the only one making money

Of First Solar's six closest publicly listed peers, five lost money in FY2025. The two Chinese vertically-integrated module makers (JKS, CSIQ) and the residential-focused inverter players (ENPH, SEDG) are all in different stages of margin compression and balance-sheet repair. ENPH is the only other profitable one but operates a different (residential, hardware-light) model at one-fourth the operating margin. First Solar's combination of scale, profitability, and net-cash position is unique in the listed solar universe — and that uniqueness is why it trades at 5–10× the market cap of any direct peer despite being only the third-largest by revenue.

Fair value scenarios

The bear case maps to KeyBanc's $150 floor, the base to current consensus ($239 on 33 analysts), and the bull to JP Morgan's $303 (October 2025). The dispersion is wide because the swing factor is binary: does the OBBBA preserve, modify, or sunset the 45X credit framework for foreign-restricted projects.

Closing read

The numbers confirm that First Solar today is the highest-quality, lowest-leverage, highest-margin business in the listed solar manufacturing universe — and after a decade of capacity-build the FCF curve has finally inflected positive. They contradict the framing that the recent share-price weakness reflects deteriorating fundamentals; FY2025 was the company's best year ever on every operational metric, and the stock fell anyway because the market is pricing policy risk, not execution risk. Watch Q1 2026 results (April 28 reported a $0.38 EPS miss), 2026 module ASP guidance, and any Treasury or congressional action on Section 45X — that single line item is the difference between a 13× P/E that looks cheap and a 13× P/E that looks like a value trap.