FSLRBy Calypso Research7 min read

First Solar (FSLR) Q4 2025 Earnings Analysis

Solar Power Play Sparks 11.1% Growth

Key Takeaways

First Solar (FSLR) reported Q4 2025 earnings with revenue of $1.7B, representing a +11.1% year-over-year change. The stock moved +0.4% on earnings day.

The bull case: Policy and technology tailwinds, including FEOC enforcement, AD/CVD actions, CURE-driven adjusters, and a credible perovskite roadmap, enable First Solar to sustain premium pricing and expand high-margin, IRA-boosted earnings on a de-risked U.S.-centric backlog.

The bear case: Persistent tariff and cost pressures, underutilized international capacity, potential new U.S. competitors, and lingering cancellation risk prevent ex-IRA margins from recovering to targeted levels and erode the long-term economic advantage implied by today’s backlog and valuation.

Financial Highlights

  • Revenue: $1.7B (+11.1% YoY)
  • Gross Profit: $665M (39.5% margin, +2.0% YoY)
  • Operating Income: $548M (32.6% margin, +2.4% YoY)
  • Net Income: $521M
  • TTM Revenue: $5.2B

Stock Performance

  • Earnings Day Move: +0.4%
  • Year-to-Date: -11.3%
  • 1-Year Return: +59.1%
  • vs. S&P 500 (since earnings): -11.8%
  • vs. Nasdaq (since earnings): -9.6%

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What Management Said

Here are the key debates and direct quotes from First Solar's Q4 2025 earnings call:

Sustainability of Pricing / ASPs and Path Back to Ex‑IRA Gross Margins

Sentiment: Positive

"there is about, call it, 2.5 to 3 cents of the value of the adder in terms of the ASP, that $0.364… the CURE attributes will give you close to 3 cents… I feel good about the pricing that we are at now, but I think there are some more catalysts that could still happen." — Mark R. Widmar
"if you back out the 45X, it is about a 7% gross margin… this year we have got about $165 million of tariffs… about $135 million on underutilization… about $200 million of warehousing… and the adjusters… $600 million in the backlog mostly recognized in 2027, 2028… that kind of walks you back up to… a 20% number." — Alexander R. Bradley

Utilization, Option Value, and Profitability of International Capacity (India & Southeast Asia)

Sentiment: Mixed

"India is going to produce, call it, 3 gigawatts or so this year and will be sold into the Indian market… pricing is… lower… [but] you basically balance that out with a lower cost of production. You are realizing high-teens to low-20% type gross margin in India." — Mark R. Widmar
"those [Southeast Asia] factories are kind of running 20% or so… extremely underutilized… we are looking at this almost as option value… we are incurring significant underutilization and cost headwinds because what we are trying to do right now is… buy some time to see how these tariffs ultimately get played out." — Mark R. Widmar

Competitive Threat from New U.S. Entrants / Hyperscaler‑Backed Manufacturing

Sentiment: Mixed

"I was very much aware of the announcement and the ambitions… from my understanding, a lot of that is not necessarily focused for our utility-scale market… it is also out in the horizon… there is also a pretty strong realization of some pretty significant challenges to try to get to that type of scale." — Mark R. Widmar
"the constraint that we are seeing in the market for hyperscalers right now is access to power… the biggest constraint we faced… was land with available power to connect… You have also got the constraint of how you would power these facilities if you are trying to build to that scale." — Alexander R. Bradley

Rationale for Moving Guidance to EBITDA and EPS Visibility (Tax, Pillar Two, and Start‑Up/Underutilization Noise)

Sentiment: Mixed

"we are moving to guiding to EBITDA. We think it gives a better view of operational performance and better comparability year over year… we have got significant costs associated with both underutilization of our Southeast Asia facilities… and we have got significant start-up and ramp production." — Alexander R. Bradley
"On the tax side also, we have got potential challenges around Pillar Two this year… on a kind of core non–Pillar Two basis, expect very low tax expense… but… there is a potential chance we will have to accrue significant Pillar Two expense, which ultimately we do not believe will ever get realized on a cash basis." — Alexander R. Bradley

Demand Health, Cancellation Risk, and Backlog Quality

Sentiment: Positive

"what we have been seeing is more of a strategic shift by certain players, especially oil and gas, and the European utility players, to reallocate capital away from renewable development in the U.S.… Where we have seen some of those players move away, we have seen others enter into the space… It is hard to handicap a cancellation risk in the backlog." — Alexander R. Bradley
"we have got 50 gigawatts of contracted volume that is going to carry us forward… there is a clear sense of urgency from customers around execution and time to power… if a customer does have an interconnection agreement, they are running hard and they are making sure they are lining up their modules." — Mark R. Widmar

Bull Case

Policy and technology tailwinds, including FEOC enforcement, AD/CVD actions, CURE-driven adjusters, and a credible perovskite roadmap, enable First Solar to sustain premium pricing and expand high-margin, IRA-boosted earnings on a de-risked U.S.-centric backlog.

Bear Case

Persistent tariff and cost pressures, underutilized international capacity, potential new U.S. competitors, and lingering cancellation risk prevent ex-IRA margins from recovering to targeted levels and erode the long-term economic advantage implied by today’s backlog and valuation.

Looking Ahead

With revenue growing +11.1% year-over-year, the key question is whether First Solar can sustain this growth trajectory, particularly around sustainability of Pricing / ASPs and Path Back to Ex‑IRA Gross Margins. With operating margins at 32.6%, margin trends will remain a focal point. The muted stock reaction on earnings day suggests the market is taking a wait-and-see approach, and the next earnings report will be a key catalyst for the stock.

Frequently Asked Questions

What was First Solar's revenue in Q4 2025?

First Solar reported Q4 2025 revenue of $1.7B, representing a +11.1% year-over-year change.

Did First Solar beat earnings expectations in Q4 2025?

The stock moved +0.4% on earnings day, suggesting the results were roughly in line with market expectations. The current bull case centers on: Policy and technology tailwinds, including FEOC enforcement, AD/CVD actions, CURE-driven adjusters, and a credible perovskite roadmap, enable First Solar to sustain premium pricing and expand high-margin, IRA-boosted earnings on a de-risked U.S.-centric backlog.

What is the bull case for FSLR stock?

The bull case for FSLR centers on: Policy and technology tailwinds, including FEOC enforcement, AD/CVD actions, CURE-driven adjusters, and a credible perovskite roadmap, enable First Solar to sustain premium pricing and expand high-margin, IRA-boosted earnings on a de-risked U.S.-centric backlog.

What is the bear case for FSLR stock?

The bear case for FSLR centers on: Persistent tariff and cost pressures, underutilized international capacity, potential new U.S. competitors, and lingering cancellation risk prevent ex-IRA margins from recovering to targeted levels and erode the long-term economic advantage implied by today’s backlog and valuation.

How has FSLR stock performed since its Q4 2025 earnings?

FSLR moved +0.4% on the day of its Q4 2025 earnings report, underperforming the S&P 500 by +11.8% since earnings. Year-to-date, the stock has returned -11.3%.

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