Item 1A. Risk Factors

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the year ended December 31, 2024, which could materially affect our business, financial condition, results of operations, and cash flows. The risks described in our Annual Report on Form 10-K are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently consider immaterial may also materially adversely affect our business, financial condition, results of operations, and cash flows. Except for the risk factors set forth below, there have been no material changes in the risk factors contained in our Annual Report on Form 10-K.

The modification, reduction, elimination, or expiration of government subsidies, economic incentives, tax incentives, renewable energy targets, and other support for on-grid solar electricity applications, or the impact of other public policies, such as tariffs or other trade remedies imposed on solar cells and modules or related raw materials or equipment, could negatively impact demand and/or price levels for our solar modules and limit our growth or lead to a reduction in our net sales or increase our costs, thereby adversely impacting our operating results.

Although we believe that solar energy will experience widespread adoption in those applications where it competes economically with traditional forms of energy without any incentive programs, in certain markets our net sales and profits remain subject to variability based on the availability and size of government subsidies and economic incentives. Federal, state, and local governmental bodies in many countries have provided subsidies in the form of feed-in-tariff structures, rebates, tax incentives, and other incentives to end users, distributors, system integrators, and manufacturers of PV solar products. Many of these incentive programs expire, phase down over time, require renewal by the applicable authority, or may be amended. To the extent government incentive programs are reduced earlier than previously expected, are changed retroactively, or are not renewed, such changes could negatively impact demand and/or price levels for our solar modules, lead to a reduction in our net sales, and adversely impact our operating results.

Current regulatory policies, or any future changes or threatened changes to such policies, including those changes as a result of the presidential administration and control of the U.S. Congress, may subject us to significant risks, including the following:

• a reduction or removal of clean energy programs and initiatives and the incentives they provide may diminish the market for future solar energy off-take agreements, slow the retirement of aging fossil fuel plants, including the retirements of coal generation plants, and reduce the ability for solar project developers to compete for off-take agreements, which may reduce PV solar module sales;

• any limitations on the value or availability to manufacturers or potential investors of tax incentives that benefit solar energy production, sales, or projects, such as the Section 45X advanced manufacturing production credit, ITC, and PTC, could result in reducing such manufacturers’ or investors’ economic returns and could cause a reduction in the availability of financing, thereby reducing demand for PV solar modules;

• any incentives contingent upon domestic production of modules, such as tax incentives set forth under the IRA, could limit our ability to sell modules manufactured in certain foreign jurisdictions, which may adversely impact our module average selling prices and could require us to record significant charges to earnings should we determine that the manufacturing facilities and equipment in such foreign jurisdictions are impaired; and

• any effort to overturn federal and state laws, regulations, or policies that are supportive of solar energy generation or that remove costs or other limitations on other types of electricity generation that compete with solar energy projects could negatively impact our ability to compete with traditional forms of electricity generation and materially and adversely affect our business.

Application of trade laws may also adversely impact, either directly or indirectly, our operating results; for example, by impacting our customers’ project costs, profitability, and their demand for our modules; or by impacting our own costs or disrupting our manufacturing or supply chains, and consequently negatively impacting demand and/or price levels for our solar modules, reducing our net sales, or affecting potential profitability of fulfilling customer contracts. We are therefore potentially subject to various risks, which include the following:

• any tariffs that reduce the profitability of contracts, whereby the cost of tariffs exceeds the amount able to be, or willing to be, absorbed by either First Solar or the customer under the provisions of the contract and may lead to First Solar or the customer cancelling such contract, potentially resulting in the reduction of future revenue, the loss of the contractual right to a termination payment from the customer, and potentially the required return of a previously received customer down payment;

• any reciprocal or other tariffs may place burdens on our customers’ supply chains exclusive of module import costs, including through increased costs of trackers, inverters, transformers, and other imported equipment, which are often heavily dependent on Chinese supply chains. These and other costs could result in an inability for certain projects to generate profitable returns, and may lead to the delay or abandonment of such projects, thereby reducing or removing demand for currently contracted PV module sales; and

• any reduction in our ability to profitably import modules from our international manufacturing locations as a result of tariffs or other trade laws could lead to us significantly reducing capacity utilization at certain international manufacturing facilities. Such underutilization may lead to potential impairment of certain international equipment and facilities and may also increase our selling costs and reduce our competitiveness in the market, thereby reducing demand for our modules.

In some instances, the application of trade laws is currently beneficial to us, and changes in their application could have an adverse impact. The overall impact of trade laws on our business depends on multiple factors, including their duration, their scope and potential expansion thereof, enforcement, retaliatory measures by impacted exporting countries, inflationary effects and broader macroeconomic responses, changes to consumer purchasing behavior, and the effectiveness of our responses in managing these impacts. Recent developments include the following:

• United States — Reciprocal Tariffs. On April 2, 2025, the U.S. President announced a 10% “baseline” reciprocal tariff on nearly all U.S. trading partners, effective April 5, 2025, and additional, higher reciprocal tariffs on specific countries, effective April 9, 2025. On April 9, 2025, the U.S. President paused the additional, higher tariffs on most countries for 90 days. However, the U.S. President raised the tariff on China. As of April 16, 2025, the 10% “baseline” reciprocal tariff applies to all countries other than China, Canada, Mexico, and countries listed under “Column 2” of the Harmonized Tariff Schedule of the United States, such as Russia and North Korea. As it pertains to the countries where we manufacture solar modules, the additional, country-specific tariffs would have applied to Vietnam, India, and Malaysia. If the additional, higher tariffs on imports from these countries go into effect, it would increase the costs of our solar modules manufactured in these countries with respect to our U.S. market. Further, such circumstances may impact our ability to sell certain modules into the United States and therefore may also impact the operational status of certain of our international manufacturing facilities. As a result, our operating results could be adversely impacted if these tariffs are imposed.

*•*United States — Tariffs on Certain Imported Crystalline Silicon PV Cells and Modules. The United States currently imposes different types of tariffs and/or other trade remedies on certain imported crystalline silicon PV cells and modules from various countries. In February 2022, the previous U.S. President proclaimed a four-year extension of a global safeguard measure imposed pursuant to Section 201 of the Trade Act of 1974 that provides for tariffs on imported crystalline silicon solar modules and a tariff-rate quota on imported crystalline silicon solar cells. Thin film solar cell products, such as our CdTe technology, are specifically excluded from the tariffs. The extension measure’s tariff rate was originally set at 14.75%, with annual reductions of 0.25 percentage points over the remainder of its four-year term. The current rate is 14.25%. The extension measure also provides an annual tariff-rate quota, whereby tariffs apply to imported crystalline silicon solar cells above the first 5.0 GW of imports.

• United States — Additional Tariffs on Certain Chinese Imports. The United States currently imposes tariffs on various articles imported from China, including tariffs of 50% on crystalline silicon solar cells and tariffs of 25% on modules, based on an investigation under Section 301 of the Trade Act of 1974. In February 2025, the U.S. President announced an additional 10% tariff on all imports from China, which is related to the national security threat posed by China’s trade in fentanyl and other illegal narcotics. This 10% tariff was subsequently doubled to 20% in March 2025 and applies in addition to the 25% tariffs under Section 301 and ordinary customs duties and AD/CVDs. Further, as discussed above, effective April 2025, the United States imposed an additional reciprocal tariff on China. Our operating results could be adversely impacted if these tariffs were to be terminated or reduced.

• United States — Port Fees on Certain Chinese Vessel Operators and Chinese Vessel Owners. On April 17, 2025, the Office of the U.S. Trade Representative published a notice of final action based on an investigation under Section 301 of the Trade Act of 1974 into China’s targeting of the maritime, logistics, and shipbuilding sectors for dominance. The action imposes new port fees on Chinese vessel operators and/or Chinese vessel owners as well as on non-Chinese operators of Chinese-origin vessels beginning on October 14, 2025. The level of fees is on a sliding scale per net ton or, in the case of non-Chinese operators, the higher of a net ton or container-based fee. Such fees may impact our logistics services and consequently impact our profitability and results of operations.

• United States — Tariffs on Certain Foreign-imported Aluminum and Steel. The United States currently imposes tariffs of 25% on imported aluminum and steel articles under Section 232 of the Trade Expansion Act of 1962. Such tariffs and policies, or any other U.S. or global trade remedies or other trade barriers, may directly or indirectly affect U.S. or global markets for solar energy and our business, financial condition, and results of operations.

• United States — Potential Tariffs on Processed Critical Minerals and Derivative Products. On April 22, 2025, the U.S. Secretary of Commerce initiated an investigation to determine the effects on the national security of imports of processed critical minerals, as well as their derivative products, under Section 232 of the Trade Expansion Act of 1962. The scope of the investigation includes tellurium and other critical minerals used in solar module manufacturing. In addition, the definition of derivative products covered by the investigation is potentially broad. If this investigation results in the imposition of tariffs or import restrictions on critical minerals and/or derivative products, it could negatively impact demand and/or price levels for our solar modules and limit our growth, lead to a reduction in our net sales, or increase our costs, thereby adversely impacting our operating results.

• United States — Antidumping and Countervailing Duties on Certain Imported Crystalline Silicon PV Cells and Modules. The United States currently imposes AD/CVDs on certain imported crystalline silicon PV cells and modules from China and Taiwan. Such AD/CVDs can change over time pursuant to annual administrative reviews conducted by the USDOC, and a decline in duty rates or USDOC failure to fully enforce U.S. AD/CVD laws could have an adverse impact on our operating results. In August 2023, the USDOC issued final affirmative circumvention rulings, finding that solar modules completed in Cambodia, Malaysia, Thailand, and Vietnam using parts and components produced in China circumvent the pre-existing AD/CVD orders on China. Such duties apply to circumventing imports on or after June 6, 2024, as well as any circumventing imports prior to that date that were not used or installed on or before December 3, 2024. Our operating results could be adversely impacted if the USDOC and other U.S. government agencies do not enforce the affirmative circumvention rulings as expected or if pending litigation challenges result in a modification of the rulings. Conversely, effective enforcement could positively impact our operating results.

• United States — Antidumping and Countervailing Duties on Certain Traded Solar Products. In April 2024, the American Alliance for Solar Manufacturing Trade Committee, which includes First Solar, filed a set of AD/CVD petitions with the USDOC and the USITC to impose duties on certain unfairly traded solar products from Cambodia, Malaysia, Thailand, and Vietnam. The investigations could potentially lead to the imposition of AD/CVD orders on such solar products. In June 2024, the USITC issued affirmative preliminary determinations. In October 2024, the USDOC announced preliminary affirmative determinations in the countervailing duty (“CVD”) investigations, finding that silicon solar cells and panels from Cambodia, Malaysia, Thailand, and Vietnam are unfairly subsidized at rates ranging from de minimis to nearly 300%, depending on the particular foreign producer. The USDOC has imposed provisional CVDs accordingly. In November 2024, the USDOC announced preliminary affirmative determinations in the AD investigations, providing for certain preliminary dumping rates applicable to solar cells from Cambodia, Malaysia, Thailand, and Vietnam ranging from de minimis to approximately 270%, depending on the particular foreign producer. On April 21, 2025, the USDOC announced the final determinations in the AD/CVD investigations, with final rates ranging from de minimis to over 3,400%, depending on the particular foreign producer.

• India — Domestic and Foreign Imports. The ALMM was introduced in 2021 as a non-tariff barrier to incentivize domestic manufacturing of PV modules by approving the list of models and manufacturers who can participate in certain solar development projects. The ALMM is approved by the MNRE, and any modifications to the ALMM and its application may affect future investments in solar module manufacturing in India. In April 2024, the government of India reimposed the ALMM, thereby requiring solar project developers to procure qualifying modules from companies on the list, which includes our Indian manufacturing facility. Also in April 2024, the ALMM was amended to include specific minimum conversion efficiency thresholds for CdTe solar technologies starting at 18% for solar lighting, 18.5% for rooftop applications, and 19% for utility-scale applications. In December 2024, the ALMM was amended to require nearly all solar development projects to use PV modules that contain domestically manufactured solar cells, which is expected to be effective for such projects completed on or after June 2026. Our operating results could be adversely impacted if the ALMM requirements are significantly relaxed to allow modules, solar cells, or certain other key module components to be imported from other countries.

• India — Import Duty Tariffs. In April 2022, the Indian government began imposing import duty tariffs of 40% on solar modules and 25% on solar cells. In connection with such April 2022 tariffs, the Indian government also implemented a regulation mandating that any solar project with federal utility, state utility, or commercial and industrial off-takers that interconnects through government owned transmission lines only use solar modules from manufacturers included in the ALMM, and a requirement that all federal procurement of solar modules be only from cells and modules produced domestically. However, in February 2025, the Indian government began imposing import duty tariffs of 20% each on solar modules and cells and levied additional tax on certain commercial agricultural production, which tax included 20% on solar modules and 7.5% on solar cells. Therefore, the aggregate impact on the import of solar modules and cells is 40% and 27.5%, respectively.

These examples show that established markets for PV solar development face uncertainties arising from policy, regulatory, and governmental actions. While the expected potential of the markets we are targeting is significant, policy promulgation and market development are especially vulnerable to governmental inertia, political instability, changing government policy and priorities, the imposition or lowering of trade remedies and other trade barriers, geopolitical risk, fossil fuel subsidization, potentially stringent localization requirements, and limited available infrastructure. Any negative impacts from changes in policy, regulatory and governmental actions could negatively affect our business, reduce our net sales, profitability and/or market share, and consequently adversely affect our results of operations, prospects, and financial condition.

Our failure to protect or successfully commercialize our intellectual property rights may undermine our competitive position, and litigation to protect our intellectual property rights or defend against third-party allegations of infringement may be costly.

Protection of our proprietary processes, methods, and other technology is critical to our business. Failure to protect and monitor the use of our existing intellectual property rights or to successfully commercialize future intellectual property rights could result in the loss of valuable technologies. We rely primarily on patents, trademarks, trade secrets, copyrights, and contractual restrictions to protect our intellectual property. We regularly file patent applications to protect certain inventions arising from our R&D and are currently pursuing such patent applications in various countries in accordance with our strategy for intellectual property in that jurisdiction. Our existing patents and future patents could be challenged, invalidated, circumvented, or rendered unenforceable. Our pending patent applications may not result in issued patents, or if patents are issued to us, such patents may not be sufficient to provide meaningful protection against competitors or against competitive technologies.

We also rely on unpatented proprietary manufacturing expertise, continuing technological innovation, and other trade secrets to develop and maintain our competitive position. Although we generally enter into confidentiality agreements with our associates and third parties to protect our intellectual property, such confidentiality agreements are limited in duration and could be breached and may not provide meaningful protection for our trade secrets or proprietary manufacturing expertise. Adequate remedies may not be available in the event of unauthorized use or disclosure of our trade secrets and manufacturing expertise. In addition, others may obtain knowledge of our trade secrets through independent development or legal means. The failure of our patents or confidentiality agreements to protect our processes, equipment, technology, trade secrets, and proprietary manufacturing expertise, methods, and compounds could have a material adverse effect on our business. In addition, effective patent, trademark, copyright, and trade secret protection may be unavailable or limited in some foreign countries, especially any developing countries into which we may expand our operations. In some countries, we have not applied for patent, trademark, or copyright protection.

Third parties may infringe or misappropriate our proprietary technologies or other intellectual property rights, which could have a material adverse effect on our business, financial condition, and operating results. Policing unauthorized use of proprietary technology can be difficult and expensive. Additionally, litigation may be necessary to enforce our intellectual property rights, protect our trade secrets, or determine the validity and scope of the proprietary rights of others. For example, on February 25, 2025, we filed a lawsuit in the United States District Court for the District of Delaware against JinkoSolar and its related entities alleging infringement of certain of our U.S. TOPCon patents. On April 15, 2025, Mundra Solar PV Limited, whose parent corporation is Adani Green Technology Limited, filed a lawsuit in the United States District Court for the District of Delaware seeking a judgment declaring that it has not infringed two of our U.S. TOPCon patents. We cannot ensure that the outcome of such litigation will be in our favor, and such litigation may be costly and may divert management attention and other resources away from our business. An adverse determination in any such litigation may impair our intellectual property rights and may harm our business, prospects, and reputation. In addition, we have no insurance coverage against such litigation costs and would have to bear all costs arising from such litigation to the extent we are unable to recover them from other parties.