First Solar Financial Model

Energy Equipment Company Financials Example (Free Excel Download)

First Solar is the largest US-headquartered solar technology and manufacturing company, specialising in advanced cadmium telluride (CdTe) thin-film photovoltaic (PV) modules.

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About this model

This model evaluates First Solar's equity valuation and cash flow generation capacity, focusing specifically on the impact of aggressive US capacity expansion and the monetisation of Section 45X Advanced Manufacturing Production tax credits.

First Solar is the largest US-headquartered solar technology and manufacturing company, specialising in advanced cadmium telluride (CdTe) thin-film photovoltaic (PV) modules. Unlike its competitors who rely on crystalline silicon supply chains based in Asia, First Solar operates a fully vertically integrated manufacturing process that transforms a sheet of glass into a fully functional solar panel in under four hours.

Business segments: Solar Modules (100% of revenue; the company divested its Systems business to become a pure-play module manufacturer).
Key geographies: United States (majority of sales and expanding manufacturing base), India, Europe, and Asia-Pacific.
Business model type: Asset-heavy manufacturing.
Competitive position: The dominant player in US utility-scale solar, insulated from Chinese crystalline silicon supply chain issues and heavily advantaged by US domestic content requirements and tariffs.
Recent major events: Commissioned a 3.5 GW facility in Alabama in 2024; constructing a 3.5 GW facility in Louisiana (expected H2 2025); sold $857 million of 2024 Section 45X tax credits to a third party for $819 million in cash.

The downloadable First Solar financial model includes SEC-sourced historical financials, forecast assumptions, core operating schedules, and valuation outputs in an Excel workbook built for review and scenario analysis.

A turnkey financial model

Live formulas, no hardcoded values

Outputs are driven by live formulas, so the workbook updates from its assumptions instead of relying on hardcoded results.

All assumptions in one tab

Inputs are clearly marked in the Assumptions tab and separated from calculations, making it clear what to change and what to leave intact.

Statements always balancing

For integrated-statement models, the balance sheet, cash flow, and supporting schedules tie through properly.

Distinct schedules for clarity

Debt, working capital, taxes, and cash flow can get messy quickly. We group calculations in clear schedules, not across disconnected tabs.

No hidden macros or external links

There are no unexplained external workbook links or macros to undermine auditability or portability.

Changes flow through the model

Update a key driver and see the impact carry through the forecast, financing, and return outputs. We never use hardcoded numbers in formulas.

Historicals & AssumptionsFirst Solar financial modelCompany, Historicals & Assumptions used

Source: SEC EDGAR · values in USD

Line item	FY2021	FY2022	FY2023	FY2024	FY2025
Revenue	$2.92B	$2.62B	$3.32B	$4.21B	$5.22B
Gross profit	$730.0M	$69.9M	$1.30B	$1.86B	$2.12B
Operating income	$586.8M	-$27.2M	$857.3M	$1.39B	$1.60B
Net income	$468.7M	-$44.2M	$830.8M	$1.29B	$1.53B

Forecast assumptions

Defaults used in the downloadable model. Forecast horizon: FY2026–FY2030.

Revenue growth

2.0%

COGS % of revenue

78.0%

R&D % of revenue

3.8%

SG&A % of revenue

6.6%

D&A % of revenue

8.8%

Effective tax rate

21.0%

See 8 more

Capex % of revenue

26.4%

Net working capital % of revenue

80.0%

Other assets % of revenue

62.6%

Other liabilities % of revenue

106.6%

Annual debt paydown

5.0%

Interest rate on debt

8.9%

Dividend payout ratio

0.0%

Buybacks % of net income

0.0%

How to build a detailed financial model for First Solar

A complete walkthrough of every driver, margin, working-capital input, and capital-allocation assumption used in the downloadable model.

Revenue Deep Dive

Solar Modules

Segment name: Solar Modules
Revenue driver formula: Volume Sold (GW) x 1,000 x Average Selling Price (ASP per Watt)
Historical growth rate: 27% YoY in FY2024 (Net sales grew from $3.3 billion in 2023 to $4.2 billion in 2024).
Key growth levers and headwinds: Driven by nameplate capacity expansion (targeting 25 GW globally and 14 GW in the US by 2026) and a massive 54.5 GW contracted backlog. Headwinds include potential policy shifts regarding US solar tariffs and grid interconnection delays for utility-scale customers.
Pricing dynamics: Highly visible contractual pricing. Q4 2024 net bookings had an ASP of $0.305 per watt (excluding adjusters). Contracts often include technology adjusters that increase ASP if First Solar delivers higher-efficiency modules.
Revenue recognition notes: Revenue is recognised at a point in time when control of the modules transfers to the customer (typically upon shipment or delivery). The company holds significant deferred revenue ($2.0 billion in 2024) representing upfront customer deposits securing future deliveries.
Seasonality: Deliveries can be lumpy based on utility-scale project construction schedules, but manufacturing runs 24/7. Q4 is typically the strongest quarter for revenue recognition.

Cost Structure

Variable Costs / COGS

Line-by-line breakdown: Raw materials (glass, frames, CdTe semiconductor material), direct labour, factory overhead, freight out, and warranty costs. Crucially, Section 45X tax credits are recorded as a reduction to COGS.
Gross margin range: 35% to 45% recently (FY2024 gross margin was 44.2%, heavily inflated by the 45X tax credits).
Key input costs and commodity exposures: Glass, aluminium (for frames), and freight rates.
How COGS scales with revenue: Scales linearly with volume produced, measured internally as Cost per Watt (CpW). Operating leverage improves as new, highly automated Series 7 factories ramp up to full utilisation.

Operating Expenses

R&D: Approximately 4-5% of revenue. Covers development of next-generation CuRe technology and tandem cells at the Jim Nolan Center for Solar Innovation in Ohio.
SG&A: Approximately 4-6% of revenue. Highly efficient due to the utility-scale focus (few, very large customers rather than a fragmented residential sales force).
Production start-up: First Solar breaks this out as a separate operating expense. It represents the costs of ramping new factories (e.g., Alabama, Louisiana) before they achieve commercial production.
Depreciation & Amortisation: Significant due to the asset-heavy nature of the business; embedded in COGS for operational plants, but tracked separately for cash flow purposes.

Margin Profile

Gross margin: 44.2% in FY2024.
Operating margin: 33.1% in FY2024 ($1.39 billion operating income on $4.2 billion sales).
Net margin: 30.7% in FY2024.
Margin trend: Expanding rapidly due to the combination of stable ASPs, declining Cost per Watt, and the massive injection of Section 45X tax credits reducing reported COGS.

Balance Sheet Structure

Total assets: $12.1 billion (FY2024).
Key asset categories: Property, Plant and Equipment ($5.4 billion) and Cash/Marketable Securities ($1.8 billion).
Goodwill & intangibles: Negligible. First Solar grows organically, not through acquisition.
Working capital profile:
Days Sales Outstanding (DSO): 45-60 days.
Days Inventory Outstanding (DIO): 90-110 days (modules in transit and raw materials).
Days Payable Outstanding (DPO): 40-50 days.
Deferred Revenue: $2.0 billion. First Solar funds its growth partially through customer deposits, creating a structural working capital advantage.
PP&E: Represents the global manufacturing fleet. Depreciated over 5 to 10 years for machinery and up to 30 years for buildings.

Capital Expenditure & Investment

Capex as % of revenue: 35-45% during the current expansion phase.
Maintenance vs. growth capex: Over 85% is growth capex.
Major capex programmes: The 3.5 GW Alabama facility ($1.1 billion) and the 3.5 GW Louisiana facility ($1.1 billion). Total US investment since 2019 is approximately $4.5 billion.
M&A pattern: Purely organic grower. No material M&A.

Debt & Capital Structure

Total debt: $610 million (FY2024).
Net debt: Negative (Net cash of $1.2 billion).
Debt/EBITDA ratio: Near zero.
Key debt instruments: Project-specific financing and revolving credit facilities.
Interest rate profile: Minimal interest expense; the company generates net interest income from its large cash balances.
Share repurchase programme: Opportunistic. Not a primary use of capital during the current factory build-out phase.
Dividend policy: No dividend. All cash is reinvested into capacity expansion.

Cash Flow Characteristics

Operating cash flow conversion: Highly variable due to the timing of customer deposits (deferred revenue) and the sale of 45X tax credits.
Free cash flow margin: Currently depressed or negative despite high net income, because capex ($1.5+ billion annually) outstrips operating cash flow during this aggressive expansion phase.
Major non-cash items: Depreciation, stock-based compensation, and the gross recognition of 45X credits (which are later monetised into cash).
Tax Credit Monetisation: First Solar sells its 45X credits to third parties. In 2024, it sold $857 million of credits at $0.955 per dollar, receiving $819 million in cash. The discount ($38 million) is recorded as a pre-tax charge.

Sheet Structure

Assumptions: Hardcoded drivers for ASP, Cost per Watt, capacity ramp, and 45X credit rates.
Capacity & Production Build: Tracks nameplate capacity (GW), utilisation rate, and volume produced by geography (US vs. International).
Revenue & Backlog: Calculates volume sold, ASP, and deferred revenue roll-forward based on the 54.5 GW backlog.
Section 45X Schedule: Calculates US production volume, applies the $0.17/W integrated thin-film credit, and models the cash sale of these credits at a discount.
Income Statement: Standard P&L. Must show 45X credits as a contra-COGS line item.
Balance Sheet: Standard format. Must explicitly break out Deferred Revenue and Government Grants Receivable.
Cash Flow Statement: Bridges Net Income to OCF, highlighting the working capital benefit of customer deposits and the massive capex outflows.
Capex & Depreciation: Waterfall schedule for the Alabama, Louisiana, and Ohio expansions.
Debt Schedule: Simple schedule given the low debt burden.
DCF Valuation: Unlevered free cash flow build, WACC calculation, and terminal value.

Key Financial Relationships

Global Nameplate Capacity (GW) = Prior Year Capacity + New Factory Additions (e.g., Louisiana 3.5 GW in 2025).
Volume Produced (GW) = Global Nameplate Capacity x Utilisation Rate.
Module Revenue = Volume Sold (GW) x 1,000 x ASP ($/W).
Section 45X Tax Credit Generated = US Volume Produced (GW) x 1,000 x $0.17/W.
Reported COGS = (Volume Sold (GW) x 1,000 x Underlying Cost per Watt) - Section 45X Tax Credit Generated.
Gross Profit = Module Revenue - Reported COGS.
Cash Proceeds from 45X Sales = Section 45X Tax Credit Generated x Transfer Price (e.g., 95.5%).
Loss on Sale of Tax Credits = Section 45X Tax Credit Generated - Cash Proceeds from 45X Sales (recorded below operating income).
Ending Backlog (GW) = Beginning Backlog + New Bookings - Volume Sold - Terminations.
Deferred Revenue Balance = Beginning Balance + New Customer Deposits - Revenue Recognised from Deposits.

Cross-Sheet Dependencies

The Capacity & Production Build dictates the maximum Volume Sold on the Revenue & Backlog sheet.
The US portion of the Capacity & Production Build feeds directly into the Section 45X Schedule.
The Section 45X Schedule feeds into COGS on the Income Statement and into the Cash Flow Statement (adjusting for the timing and discount of the credit sales).
The Revenue & Backlog sheet drives the Deferred Revenue balance on the Balance Sheet, which is a critical source of cash on the Cash Flow Statement.

Sign Convention

Income Statement: Revenue is positive. All expenses (COGS, R&D, SG&A) are negative. The Section 45X tax credit is a positive number that reduces the negative COGS balance.
Balance Sheet: Assets are positive. Liabilities and Equity are positive.
Cash Flow Statement: Cash inflows are positive. Cash outflows (Capex, debt repayment) are negative.

Things Most Likely to Go Wrong

Misclassifying the 45X Credit: The builder might put the 45X credit in the tax line. It MUST be modelled as a reduction to COGS, which artificially inflates Gross Margin.
Ignoring the 45X Transfer Discount: First Solar does not get 100 cents on the dollar for its tax credits. The model must include the ~4.5% discount when calculating cash proceeds, and record this discount as a pre-tax charge.
Disconnect Between Production and Sales: Volume Sold cannot exceed Volume Produced plus Beginning Inventory. The model must cap sales based on actual factory output.
Misunderstanding Deferred Revenue: The company collects cash years before delivering the modules. If the model ties OCF strictly to net income without capturing the massive deferred revenue inflows from the backlog, cash flow will be severely understated.
Applying 45X to Global Production: The $0.17/W credit ONLY applies to modules produced in the United States. Production in India, Malaysia, and Vietnam receives zero 45X benefit.
Start-up Costs: The builder might roll factory start-up costs into COGS. First Solar reports "Production start-up" as a separate operating expense line item below gross profit.
Confusing GW and Watts: Revenue is priced in cents per Watt, but volume is reported in Gigawatts. The builder must multiply GW by 1,000 to get Megawatts, and by 1,000 again to get Kilowatts, and by 1,000 again to get Watts (GW x 1,000,000,000 = Watts). For millions of dollars, the formula is GW x 1,000 x ASP.

Validation Checks

"Gross margin should be in the 40-45% range; flag if outside this band (indicates 45X credits are misapplied)."
"US Volume Produced must not exceed US Nameplate Capacity in any given year."
"Section 45X Tax Credit Generated should equal exactly US Volume Produced (GW) x $170 million."
"Total Assets must equal Total Liabilities + Equity in every period."
"Net cash balance should remain positive throughout the forecast period."
"Capex should remain above $1.0 billion annually through 2026 as the Louisiana facility is completed."
"Ending Backlog must not drop below zero."

Key Assumptions (Default Values)

Assumption	Default Value	Unit	Rationale
2025 Volume Sold	16.5	GW	Required to hit the midpoint of FY2025 revenue guidance ($5.3B - $5.8B).
Average Selling Price (ASP)	0.305	$/Watt	Based on Q4 2024 net bookings ASP excluding adjusters.
Underlying Cost per Watt	0.185	$/Watt	Estimated base manufacturing cost before tax credits.
Section 45X Credit Rate	0.17	$/Watt	Statutory IRA rate for fully integrated thin-film solar manufacturing.
US Production Mix	60.0	%	Estimated share of global production eligible for 45X credits.
45X Transfer Price	95.5	%	Actual price achieved in the December 2024 tax credit sale.
R&D as % of Revenue	4.5	%	In line with historical averages to support CuRe technology.
SG&A as % of Revenue	4.5	%	Reflects efficient utility-scale sales model.
2025 Capex	1,600	$ Millions	Reflects ongoing construction of the Louisiana facility and Ohio R&D centre.
Effective Tax Rate	12.0	%	Blended rate reflecting US and international tax jurisdictions.
Discount Rate (WACC)	9.5	%	Reflects zero-debt capital structure and standard equity risk premium for solar manufacturing.
Terminal Growth Rate	2.0	%	Standard long-term economic growth assumption.

Data Sources & Benchmarks

Filings: SEC EDGAR (First Solar 10-K, 8-K for tax credit transfer agreements).
Investor Relations: First Solar Q4 2024 Earnings Presentation and Guidance Call.
Key Peers: Enphase Energy (ENPH), SolarEdge Technologies (SEDG), Canadian Solar (CSIQ), JinkoSolar (JKS).
Industry Data: PV Tech (for module pricing and capacity tracking), Wood Mackenzie (for US utility-scale solar installation forecasts).
Tax Credit Data: Reunion Infrastructure (platform used by First Solar to transfer 45X credits).

Sources

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Frequently asked

What does First Solar (FSLR) do?+

First Solar is the largest US-headquartered solar technology and manufacturing company, specializing in advanced cadmium telluride (CdTe) thin-film photovoltaic (PV) modules. Unlike its competitors, it operates a fully vertically integrated manufacturing process that transforms a sheet of glass into a functional solar panel in under four hours.

What are the primary revenue drivers for First Solar?+

First Solar's revenue is entirely derived from its Solar Modules segment, with sales predominantly in the United States, India, Europe, and Asia-Pacific. Its growth is significantly driven by aggressive US capacity expansion and its competitive position in the utility-scale solar market.

What is First Solar's capital expenditure strategy?+

First Solar is currently in an aggressive expansion phase, with capital expenditure as a percentage of revenue estimated at 35-45%. Over 85% of this spending is growth capex, focused on major projects like new 3.5 GW facilities in Alabama and Louisiana.

What are the key assumptions for First Solar's financial model regarding profitability?+

The financial model assumes a COGS_Pct_Revenue of approximately 78% and SGA_Pct_Revenue around 6.6%. Additionally, the model considers the significant impact of Section 45X Advanced Manufacturing Production tax credits on cash flow generation.

How does First Solar's financial model evaluate its equity valuation?+

The model evaluates First Solar's equity valuation and cash flow generation capacity, focusing specifically on the impact of aggressive US capacity expansion. It also incorporates the monetization of Section 45X Advanced Manufacturing Production tax credits as a key factor.

Can I download a financial model for First Solar (FSLR)?+

Yes, a downloadable Excel model is available for First Solar, which forecasts financial performance from FY2026 to FY2030. This model is designed to evaluate the company's equity valuation and cash flow generation capacity, considering its strategic initiatives.

Have more financial modelling questions? Contact us

Alex Tapio, ex-Deloitte financial modelling expert

Created by ex-finance professionals

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