# AES (AES) Financial Model Free Excel 3-statement financial model and company analysis for AES. - Canonical: https://finamodel.com/companies/aes - Industry: Utilities - Downloadable model: Yes - Excel download: https://finamodel.com/company-models/AES.xlsx ## Model Purpose This model provides a sum-of-the-parts equity valuation and cash flow forecasting tool for an equity research analyst covering AES Corporation, focusing on the execution of its 12 GW renewables backlog, the rate base growth of its US utilities, and the managed phase-out of its legacy thermal energy infrastructure. ## Company Overview The AES Corporation is a global Fortune 500 independent power producer and utility company that generates and distributes electrical power. The company is actively transitioning its portfolio by aggressively building out solar, wind, and battery storage assets while divesting or retiring legacy coal and gas generation. Business segments (Strategic Business Units or SBUs): * **Renewables SBU (approx. 40-45% of Adjusted EBITDA):** Global portfolio of solar, wind, and energy storage assets, primarily contracted under long-term Power Purchase Agreements (PPAs) with corporate customers, notably data centres. * **Utilities SBU (approx. 25-30% of Adjusted EBITDA):** Regulated US utilities comprising AES Indiana and AES Ohio, providing transmission, distribution, and generation services. * **Energy Infrastructure SBU (approx. 25-30% of Adjusted EBITDA):** Legacy thermal generation fleet (natural gas and coal) located in the US and internationally, providing baseload power and grid stability. Key geographies include the United States, Chile, Colombia, and previously Brazil (AES Brasil was sold in 2024/2025). The business model is highly asset-heavy, relying on long-term contracted cash flows and regulated utility returns. AES competes with other large independent power producers and renewable developers such as NextEra Energy, Vistra Corp, and Constellation Energy. Recent major events include the sale of the 5 GW AES Brasil business, the sell-down of a 30% stake in AES Ohio to CDPQ, and the monetisation of the Warrior Run coal plant PPA. ## Revenue Deep Dive ### Renewables SBU * **Segment name:** Renewables SBU * **Revenue driver formula:** Operating Capacity (MW) x 8,760 hours x Capacity Factor (%) x Average PPA Price ($/MWh) + Tax Credit Transfers * **Historical growth rate:** 15-25% CAGR as the company brings 3-4 GW of new projects online annually. * **Key growth levers and headwinds:** A massive 12 GW backlog of signed PPAs (heavily weighted towards data centres) drives growth. Headwinds include supply chain bottlenecks, interconnection queue delays, and rising equipment costs. * **Pricing dynamics:** Highly visible, long-term contractual pricing (typically 15-20 year PPAs) denominated primarily in US Dollars. * **Revenue recognition notes:** Revenue is recognised over time as energy is delivered. The company also generates significant value from tax attributes (Production Tax Credits and Investment Tax Credits) which are increasingly monetised via transferability under the US Inflation Reduction Act. * **Seasonality:** Wind generation is typically stronger in the first and fourth quarters in the Northern Hemisphere, while solar peaks in the summer months. ### Utilities SBU * **Segment name:** Utilities SBU * **Revenue driver formula:** (Average Rate Base x Allowed Return on Equity) + Recoverable Operating Expenses + Depreciation + Taxes * **Historical growth rate:** 5-8% CAGR, driven by capital investment programmes. * **Key growth levers and headwinds:** A $1.4 billion annual capex plan drives rate base growth (recently growing at 20% year-over-year). Headwinds include regulatory lag and the outcome of rate cases with the Indiana Utility Regulatory Commission (IURC) and Public Utilities Commission of Ohio (PUCO). * **Pricing dynamics:** Regulated pricing based on approved tariffs and rider revenues for specific infrastructure upgrades. * **Revenue recognition notes:** Billed monthly based on metered usage, with unbilled revenue accrued at the end of each reporting period. * **Seasonality:** Peak demand occurs during the summer cooling season (Q3) and winter heating season (Q1). ### Energy Infrastructure SBU * **Segment name:** Energy Infrastructure SBU * **Revenue driver formula:** Contracted Capacity Payments + (Merchant Generation Volumes x Spot Power Prices) * **Historical growth rate:** Declining (negative 5-10% CAGR) due to asset sales and plant retirements. * **Key growth levers and headwinds:** The primary lever is extending legacy contracts for grid reliability. Headwinds are severe, driven by the corporate mandate to exit coal and the structural decline of thermal generation economics. * **Pricing dynamics:** A mix of fixed capacity payments and variable merchant pricing exposed to commodity gas and power markets. * **Revenue recognition notes:** Capacity revenues are recognised straight-line over the contract term; energy revenues are recognised upon delivery. * **Seasonality:** Highest generation and pricing during extreme weather events (summer heatwaves, winter freezes). ## Cost Structure ### Variable Costs / COGS * **Line-by-line breakdown:** Fuel costs (natural gas, coal), purchased power (for utilities and to cover PPA shortfalls), and transmission fees. * **Gross margin range:** 25-35%, highly dependent on the mix of renewable generation versus thermal generation. * **Key input costs and commodity exposures:** Natural gas and coal prices heavily impact the Energy Infrastructure SBU. The Renewables SBU has zero fuel cost but is exposed to purchased power costs if weather anomalies cause generation shortfalls. * **How COGS scales with revenue:** Fuel costs scale linearly with thermal generation volumes, while renewable margins expand significantly as generation scales due to zero marginal fuel costs. ### Operating Expenses * **R&D:** Negligible for this asset-heavy power producer. * **SG&A:** Corporate overhead, business development costs for the renewables pipeline, and IT systems. Typically runs at 5-7% of total revenue. * **Depreciation & Amortisation:** Extremely high (15-20% of revenue) due to the capital-intensive nature of utility infrastructure and renewable energy assets. * **Stock-Based Compensation:** Modest, typically less than 1% of revenue. * **Restructuring / one-time charges:** Frequent, related to the retirement of coal assets, severance, and asset impairment charges (e.g., held-for-sale impairments for divested businesses). ### Margin Profile * **Gross margin:** 25-35% * **EBITDA margin:** 30-40% (Adjusted EBITDA is the primary metric, heavily adjusted for unrealised derivative and FX impacts). * **Operating margin:** 15-20% (depressed by high D&A). * **Net margin:** Highly volatile (0-10%) due to non-cash derivative mark-to-market movements and tax equity allocations. * **Margin trend:** Expanding at the Adjusted EBITDA level as high-margin renewables replace lower-margin thermal assets and utility rate bases grow. ## Balance Sheet Structure * **Total assets:** Approximately $35 to $40 billion. * **Key asset categories:** Property, Plant and Equipment (PP&E) makes up the vast majority of assets. Regulatory assets are also material for the Utilities SBU. * **Goodwill & intangibles:** Modest (5-10% of assets), primarily from historical acquisitions. * **Working capital profile:** * **DSO:** 40-50 days. * **DIO:** 20-30 days (primarily fuel inventory for thermal plants). * **DPO:** 45-60 days. * **Net working capital:** Generally negative or neutral, as the company uses supplier financing and extended payables to fund operations. * **PP&E:** Consists of wind turbines, solar arrays, battery storage systems, utility distribution grids, and thermal power plants. Useful lives range from 15-35 years. * **Right-of-use assets:** Material due to land leases for large-scale solar and wind farms. ## Capital Expenditure & Investment * **Capex as % of revenue:** 25-35% (exceptionally high due to the energy transition build-out). * **Maintenance capex vs. growth capex:** Approximately 20% maintenance (primarily at Utilities and Energy Infrastructure) and 80% growth (Renewables build-out and Utility grid modernisation). * **Major capex programmes:** The company is executing a $1.4 billion annual capex plan at its US utilities and spending billions to bring 3.2 GW of new renewable projects online annually. * **Capitalised software:** Immaterial compared to hard asset capex. * **M&A pattern:** Historically a buyer of international assets, AES is now a net seller of international thermal and hydro assets (e.g., AES Brasil) to fund US renewable growth. ## Debt & Capital Structure * **Total debt:** Approximately $20 to $25 billion. * **Debt/EBITDA ratio:** 4.5x to 5.5x on a consolidated basis. The company focuses heavily on Parent Free Cash Flow to Parent Debt metrics. * **Credit rating:** Investment grade (BBB- / Baa3). * **Key debt instruments:** Non-recourse project finance debt at the subsidiary level (tied to specific wind/solar farms) and corporate unsecured bonds at the Parent level. * **Maturity profile:** Laddered, with frequent refinancing of subsidiary-level debt. * **Interest rate profile:** Mostly fixed via interest rate swaps, though project debt often has floating components during the construction phase. * **Covenants:** Standard debt service coverage ratios (DSCR) at the project level and leverage limits at the corporate level. * **Share repurchase programme:** Not a primary focus; capital is deployed into renewable growth. * **Dividend policy:** Steady dividend payer with a yield typically around 4-5%, growing at a low single-digit rate. ## Cash Flow Characteristics * **Operating cash flow conversion:** OCF is often lower than Adjusted EBITDA due to working capital needs and cash interest payments. * **Free cash flow margin:** Often negative on a consolidated basis due to massive growth capex. The company relies on project debt and tax equity to fund the gap. * **Major non-cash items:** D&A, unrealised derivative losses/gains (from PPA hedges), foreign currency translation losses, and deferred income taxes. * **Working capital cash flow impact:** Can be a significant use of cash during periods of high construction activity. * **Capex intensity:** Extremely high. * **Cash tax rate:** Very low (often near zero in the US) due to the generation of massive Production Tax Credits (PTCs) and Investment Tax Credits (ITCs) from renewable development. ## Sheet Structure 1. **Assumptions:** Hardcoded inputs for macro drivers, SBU growth rates, margins, capex, and capital structure. 2. **Scenarios:** Toggle for Base, Bull (faster PPA execution, higher utility ROE), and Bear (supply chain delays, lower merchant power prices). 3. **Renewables SBU:** Operating capacity roll-forward, PPA pricing, tax attribute generation, and segment EBITDA calculation. 4. **Utilities SBU:** Rate base roll-forward, allowed ROE, rider revenues, and segment EBITDA calculation for AES Indiana and AES Ohio. 5. **Energy Infrastructure SBU:** Thermal capacity roll-forward, capacity payments, merchant revenue, and segment EBITDA calculation. 6. **Consolidated Income Statement:** Aggregation of SBU revenues and EBITDA, bridging to GAAP Net Income (including D&A, interest, and taxes). 7. **Balance Sheet:** PP&E schedules, debt balances, working capital, and equity. 8. **Cash Flow Statement:** Three-section cash flow (Operating, Investing, Financing) with specific lines for tax equity contributions and distributions to non-controlling interests. 9. **Debt & Interest Schedule:** Separation of Parent Debt and Non-Recourse Subsidiary Debt, calculating interest expense and tracking maturities. 10. **Tax Equity & NCI Schedule:** Tracking the complex allocations of income and cash to tax equity partners and minority shareholders (e.g., CDPQ's stake in AES Ohio). 11. **DCF & Valuation:** Sum-of-the-parts valuation, discounting Parent Free Cash Flow, and applying EV/EBITDA multiples to the distinct SBUs. ## Key Financial Relationships 1. `Renewables Revenue = Beginning Operating Capacity (MW) + (In-Year Capacity Additions (MW) * 0.5) * 8760 * Average Capacity Factor * Average PPA Price` 2. `Utilities Revenue = (Average Rate Base * Allowed ROE) + Recoverable O&M + D&A + Taxes` 3. `Energy Infrastructure Revenue = Contracted Capacity Revenue + (Merchant Generation Volumes * Spot Power Price)` 4. `Consolidated Revenue = Renewables Revenue + Utilities Revenue + Energy Infrastructure Revenue` 5. `Adjusted EBITDA = Consolidated Net Income + Interest Expense + Income Tax Expense + D&A - Unrealised Derivative Gains + Unrealised Foreign Currency Losses` 6. `Adjusted EBITDA with Tax Attributes = Adjusted EBITDA + Value of Transferred/Monetised Tax Credits` 7. `Utilities Rate Base = Prior Year Rate Base + Utilities Capex - Utilities D&A` 8. `Renewables PP&E = Prior Year PP&E + Renewables Growth Capex - Renewables D&A` 9. `Parent Free Cash Flow = Subsidiary Distributions to Parent - Parent Cash Interest - Parent Corporate Overhead` 10. `Consolidated Interest Expense = (Average Parent Debt * Parent Interest Rate) + (Average Subsidiary Debt * Subsidiary Interest Rate)` 11. `Net Income Attributable to AES = Consolidated Net Income - Net Income Attributable to Non-Controlling Interests (including Tax Equity)` ## Cross-Sheet Dependencies * The **Assumptions** sheet drives the capacity and rate base roll-forwards in the three SBU sheets. * The **SBU sheets** calculate segment revenue and EBITDA, which feed directly into the **Consolidated Income Statement**. * The **Consolidated Income Statement** generates Net Income, which is the starting point for the **Cash Flow Statement**. * The **Cash Flow Statement** calculates capital expenditures, which feed the PP&E lines on the **Balance Sheet** and the D&A calculations on the **Income Statement**. * The **Debt & Interest Schedule** uses operating cash flow shortfalls from the **Cash Flow Statement** to calculate required borrowing, which updates debt balances on the **Balance Sheet** and feeds interest expense back to the **Income Statement** (creating a circular reference that requires an iterative calculation or a circuit breaker). * The **Tax Equity & NCI Schedule** pulls project-level returns from the **Renewables SBU** and feeds the Non-Controlling Interest deduction on the **Income Statement**. ## Sign Convention * Revenues, asset balances, and equity balances are entered as positive numbers. * Expenses (COGS, O&M, SG&A, D&A, Interest) are entered as negative numbers in the Income Statement build-up. * On the Cash Flow Statement, cash inflows are positive and cash outflows (including Capex and debt repayments) are negative. * Contra-assets (like Accumulated Depreciation) are entered as negative numbers. ## Things Most Likely to Go Wrong 1. **Tax Equity Complexity:** AES relies heavily on tax equity financing. Failing to model the allocation of losses to tax equity investors (which paradoxically increases Net Income Attributable to AES) will severely distort the bottom line. 2. **Adjusted EBITDA vs GAAP EBITDA:** The company reports "Adjusted EBITDA with Tax Attributes" as a primary guidance metric. The model must explicitly bridge GAAP Net Income to this specific non-GAAP metric by adding back unrealised derivative losses and FX impacts. 3. **Derivative Mark-to-Market:** AES hedges its power sales. Fluctuations in forward power curves create massive non-cash unrealised derivative gains/losses that swing GAAP Net Income wildly. The model should hold these at zero for future forecast years. 4. **Asset Sales and Stub Periods:** The sale of AES Brasil (5 GW) and the sell-down of AES Ohio distort year-over-year comparisons. Historical data must be pro-forma adjusted to remove AES Brasil to establish a clean run-rate. 5. **Non-Controlling Interests (NCI):** Because AES sold 30% of AES Ohio to CDPQ and has various joint ventures, NCI is a massive deduction from consolidated net income. 6. **Foreign Currency Translation:** Legacy assets in Argentina and Chile expose the company to FX translation losses. The model should assume constant currency for future projections but flag historical volatility. 7. **Capitalised Interest:** During the construction of massive wind and solar farms, interest is capitalised. Failing to model this will overstate near-term interest expense and understate PP&E. 8. **Parent vs Subsidiary Debt:** Project debt is non-recourse. Valuing the company requires separating Parent Free Cash Flow from consolidated cash flow, as cash trapped at the subsidiary level cannot service Parent debt. ## Validation Checks 1. "Consolidated Balance Sheet must balance: Total Assets = Total Liabilities + Total Equity in every period." 2. "Renewables capacity additions must match the stated target of approximately 3.0 to 3.5 GW per year; flag if additions fall outside this range." 3. "Utilities rate base growth should track between 8-12% annually based on the $1.4 billion capex plan." 4. "Adjusted EBITDA with Tax Attributes should reconcile to the 2025 guidance range of $3.95 billion to $4.35 billion." 5. "Consolidated Debt to Adjusted EBITDA should remain between 4.5x and 5.5x; flag if leverage exceeds 6.0x." 6. "Effective tax rate should remain below 10% due to the generation and transferability of renewable tax credits." 7. "Dividend payout ratio should be checked against Parent Free Cash Flow, ensuring coverage is greater than 1.2x." 8. "Energy Infrastructure SBU revenue must decline year-over-year as coal assets are retired; flag any modelled growth in this segment." ## Key Assumptions (Default Values) | Assumption | Default Value | Unit | Rationale | |---|---|---|---| | Renewables Annual Capacity Additions | 3,200 | MW | Based on 2025 management guidance and 12 GW backlog execution. | | Renewables Average Capacity Factor | 32.0 | % | Blended average of global wind and solar portfolio performance. | | Renewables Average PPA Price | 45.00 | $/MWh | Estimated blended rate for long-term corporate and utility PPAs. | | Utilities Annual Capex | 1,400 | $ Millions | Management guidance for AES Indiana and AES Ohio grid modernisation. | | Utilities Allowed ROE | 9.8 | % | Typical blended allowed return for midwestern US regulated utilities. | | Energy Infrastructure Capacity Retirement | 500 | MW/Year | Run-rate for planned coal phase-outs and asset divestitures. | | Consolidated SG&A Margin | 6.0 | % of Rev | Historical average corporate overhead requirement. | | Consolidated D&A | 18.0 | % of Rev | Reflects the highly capital-intensive nature of the asset base. | | Tax Credit Transfer Revenue (2025) | 400 | $ Millions | Estimated value of monetised PTCs/ITCs bridging to Adjusted EBITDA. | | Parent Debt Interest Rate | 5.5 | % | Weighted average cost of corporate unsecured debt. | | Subsidiary Project Debt Interest Rate | 6.5 | % | Blended rate for non-recourse project financing. | | Effective Tax Rate | 5.0 | % | Depressed by significant renewable tax attributes. | | Dividend per Share (Annual) | 0.68 | $ | Based on recent quarterly dividend declarations. | | Diluted Share Count | 712 | Millions | Actual outstanding shares from the 2024 10-K filing. | | WACC (Discount Rate) | 7.5 | % | Blended cost of capital for a regulated utility and contracted power producer. | | Terminal Growth Rate | 2.0 | % | Long-term inflation expectation for utility rate base and power prices. | ## Data Sources & Benchmarks * **Filings:** SEC EDGAR (AES 2024 10-K, Q2/Q3 2025 8-K earnings releases). * **Investor Relations:** AES Investor Relations website (aes.com) for quarterly earnings presentations and the December 2024 Investor Presentation. * **Key Peers:** NextEra Energy (NEE) for renewables benchmarking; Vistra Corp (VST) and Constellation Energy (CEG) for independent power producer comparisons; CenterPoint Energy (CNP) for midwestern utility benchmarking. * **Industry Data:** BloombergNEF (BNEF) for corporate PPA pricing and clean energy procurement rankings; PJM Interconnection data for merchant power pricing in the Ohio/Indiana region. * **Consensus Estimates:** FactSet or Bloomberg for consensus Adjusted EBITDA and EPS estimates to validate model outputs. ## Sources * AES Corporation Form 10-K for the fiscal year ended December 31, 2024 (filed March 2025). * AES Corporation Q2 2025 and Q3 2025 Earnings Press Releases and Financial Supplements. * AES Corporation December 2024 Investor Presentation (aes.com/investors). * Morningstar Earnings Call Transcripts for AES Q3 2025 Financial Review. --- ## Frequently asked questions ### How does AES Corporation generate its revenue? AES Corporation generates revenue through three main segments: Renewables, Utilities, and Energy Infrastructure. The Renewables SBU sells power under long-term Power Purchase Agreements, the Utilities SBU provides regulated transmission, distribution, and generation services in the US, and the Energy Infrastructure SBU operates legacy thermal plants globally. ### What are the primary drivers of AES Corporation's revenue growth? Revenue growth for AES Corporation is primarily driven by the execution of its 12 GW renewables backlog and the rate base growth of its US utilities. The company is actively building out solar, wind, and battery storage assets while phasing out legacy thermal generation. ### What is AES Corporation's capital expenditure strategy, and how does it impact the financial model? AES Corporation has an exceptionally high capital expenditure strategy, with Capex_Pct_Revenue modeled at approximately 31.86%, primarily for growth initiatives. This includes a $1.4 billion annual capex plan for US utilities and billions to bring 3.2 GW of new renewable projects online annually, reflecting an 80% growth capex focus. ### How does AES Corporation manage its net working capital, and what is its typical profile? AES Corporation generally maintains a negative or neutral net working capital profile, as indicated by a NWC_Pct_Revenue assumption of -0.1517. The company achieves this by utilizing supplier financing and extended payables to fund its operations. ### What is the main purpose of the financial model for AES Corporation? The financial model for AES Corporation is designed to provide a sum-of-the-parts equity valuation and a cash flow forecasting tool. It assists equity research analysts in evaluating the company's execution of its renewables backlog, US utility growth, and the managed phase-out of thermal assets. ### Can I download an Excel financial model for AES Corporation, and what is its forecast horizon? Yes, an Excel financial model for AES Corporation is available for download as a general corporate model. This model provides a forecast horizon spanning from Fiscal Year 2026 through Fiscal Year 2030. [Interactive forecast calculator](https://finamodel.com/companies/aes/forecast)