First Solar stock has delivered a 143.1% gain over the past 5 years, yet current valuation checks and an intrinsic value estimate based on a Discounted Cash Flow (DCF) approach both still point to the shares trading at a discount to their estimated worth. With recent news highlighting solid demand and a sizeable contracted sales backlog, the market price and the intrinsic value estimate appear to be out of sync.

• Over 5 years, First Solar has returned 143.1%. Long term holders have already seen substantial gains even before considering any current valuation upside.
• Strong demand signalled by a large contracted module sales backlog can support expectations for future cash flows. Any setback in execution or policy support for solar energy may weigh on the valuation investors are willing to pay.
• First Solar screens as undervalued on 5 of 6 checks. The broader valuation workup therefore leans cheap rather than expensive for this stock based on the value score of 5.

The issue now is whether First Solar's current share price still offers enough valuation cushion relative to its intrinsic value estimate for investors considering the stock today.

Is First Solar a Bargain on Cash Flow?

The Discounted Cash Flow (DCF) model here projects what First Solar might earn in free cash flow and then discounts those dollars back to today. First Solar generated about $836.2 million in free cash flow over the last twelve months, and the model assumes that cash flows continue growing from this base rather than shrinking, using a 2 Stage Free Cash Flow to Equity approach.

On these assumptions, the DCF points to an estimated intrinsic value of about $341 per share, which sits meaningfully above the current market price and implies the stock is 31.8% undervalued. The recent report of a 45 GW contracted sales backlog through 2030 helps explain why the cash flow projections used here look supportive even though the market price has not fully closed that gap yet.

Overall, the Discounted Cash Flow valuation suggests First Solar stock currently screens as undervalued relative to its projected cash generation.

Our Discounted Cash Flow (DCF) analysis suggests First Solar is undervalued by 31.8%. Track this in your watchlist or portfolio, or discover 53 more high quality undervalued stocks.

Does First Solar Look Undervalued on Earnings?

The P/E ratio is a useful way to gauge what you are paying today for each dollar of First Solar earnings. On this measure, First Solar trades on about 14.3x earnings, which is well below the broader semiconductor industry average of around 52.0x and also below a peer group average of roughly 73.8x.

A tailored fair P/E for First Solar that adjusts for its size, margins and risk profile sits nearer 30.9x. That is more than double the current multiple, which indicates the stock is pricing in a more cautious outlook than this framework implies. If earnings hold near recent levels, this gap means you are paying a lower price per unit of earnings than both the model and typical peers would indicate.

On the P/E multiple, First Solar stock appears undervalued compared with both its own fair ratio and the wider semiconductor industry.

The First Solar Narrative: What Would Justify Today's Price?

Simply Wall St Narratives pick up where the First Solar valuation puzzle leaves off by explaining which future paths for growth, margins and earnings would need to occur for the stock to be worth materially more or less than today's price. Each Narrative treats its view of First Solar's fair value as a thesis about the business that you can watch over time, rather than a one off snapshot. They appear on Simply Wall St's Community page.

Community views on First Solar sit far apart, with one camp focused on policy supported pricing power and the other on policy risk to margins.

Bull case: 8% undervalued

"Recent U.S. policy changes, specifically strengthened incentives and tighter restrictions against foreign entities of concern (such as China) under the new reconciliation legislation, are boosting First Solar's competitive moat, supporting robust demand for domestically produced modules, and enabling the company to capture higher long-term contracted pricing. This directly improves forward revenue visibility and gross margins..."

Bear case: 36% overvalued

"A dramatic increase in trade protectionism, unpredictable tariffs, and regulatory risk surrounding the U.S., India, and key Southeast Asian markets threaten First Solar's ability to competitively sell internationally produced modules. This could result in ongoing contract terminations, forced de-bookings, and inventory buildups, which in turn could drive underutilization charges, increase logistics costs, and create significant gross margin compression and earnings volatility..."

Do you think there's more to the story for First Solar? Head over to our Community to see what others are saying!

The Bottom Line

For First Solar, both the Discounted Cash Flow (DCF) intrinsic value estimate and the earnings multiple point to the same conclusion. The stock screens as undervalued rather than expensive based on current assumptions. The real question is whether policy support and the contracted backlog can translate into sustained cash flows and earnings that justify a higher valuation, or whether policy risk and execution challenges erode that cushion. That single assumption on durability of demand and margins is what separates a genuine opportunity from a value trap in this situation.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.