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Short answer: Siemens Energy and GE Vernova both sell large power-system equipment and long-term services, but they offer different mixes of generation, grids, wind and industrial technology. Siemens Energy’s latest reported quarter (Q3 FY2026, ended June 30, 2026) showed strong orders, cash flow and a first positive quarterly result for Siemens Gamesa since FY2022. GE Vernova’s latest fully reported annual figures (calendar 2025) show substantial scale, a large remaining-performance-obligation backlog and more than half of that backlog in services. Neither backlog nor electricity-demand growth guarantees future profit or an attractive share price. The useful comparison is each company’s segment exposure, backlog quality, execution record, cash conversion, balance-sheet capacity and valuation at the date you invest.
What each company actually sells
Siemens Energy: a diversified energy-technology portfolio
Siemens Energy reports four principal businesses: Gas Services, Grid Technologies, Transformation of Industry and Siemens Gamesa. Together they span conventional and flexible generation, transmission equipment, grid infrastructure, industrial energy systems and wind turbines and services. The model combines project equipment with recurring lifecycle work on an installed fleet. Service contracts can provide steadier revenue than new-build orders, but they still depend on equipment availability, contract terms and successful execution.
The portfolio is also changing. In August 2026 Siemens Energy said it had started preparations for the legal and operational separation of Transformation of Industry, with an intended deconsolidation while retaining a meaningful minority stake. That is not yet a completed transaction. Investors should follow subsequent filings for the final perimeter, accounting treatment, ownership percentage, timing and one-time separation costs. Until then, historical segment comparisons may include a business that will later be reported differently.
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GE Vernova: Power, Wind and Electrification
GE Vernova reports three segments. Power covers gas, nuclear and hydro technologies. Electrification includes transmission, grid integration, power conversion and storage, and grid automation and software. Wind covers onshore and offshore turbines and blades. Like Siemens Energy, it sells equipment into long-cycle projects and services the installed base.
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GE Vernova realigned certain business units effective January 1, 2026. That change can move activities between reported categories, so a year-over-year subsegment comparison should use the company’s recast presentation where available rather than assuming every historical line is directly comparable.
| Dimension | Siemens Energy | GE Vernova |
|---|---|---|
| Reported structure | Gas Services; Grid Technologies; Transformation of Industry; Siemens Gamesa | Power; Wind; Electrification |
| Generation exposure | Gas and other conventional-generation technologies, plus related services | Gas, nuclear and hydro technologies, plus related services |
| Grid exposure | Grid Technologies and industrial-energy systems | Transmission, grid integration, storage, power conversion and grid software/automation |
| Wind exposure | Siemens Gamesa | Onshore and offshore turbines and blades |
| Portfolio change to monitor | Planned separation and intended deconsolidation of Transformation of Industry, while retaining a meaningful minority stake | Business-unit realignment effective January 1, 2026 |
Latest reported numbers—and why they are not a league table
The newest surfaced periods do not line up. Siemens Energy’s fiscal year ends September 30, while GE Vernova reports on a calendar-year basis. The Siemens figures below are for Q3 FY2026, the quarter ended June 30, 2026, unless noted. GE Vernova’s detailed annual figures are for calendar 2025. Currencies, period lengths and definitions differ, so converting euros to dollars or ranking companies by a single headline number would create false precision.
| Measure | Siemens Energy | GE Vernova |
|---|---|---|
| Latest period represented | Q3 FY2026 (quarter ended June 30, 2026); FY2025 backlog shown separately | FY2025 (calendar year); Q2 2026 filing supplies later business and risk context |
| Orders | €17.9 billion in Q3 FY2026 | $59 billion in FY2025 |
| Revenue | €11.4 billion in Q3 FY2026 | $38 billion in FY2025 |
| Profit measure | €1.623 billion profit before special items in Q3 FY2026 | $3.2 billion adjusted EBITDA in FY2025; non-GAAP |
| Free cash flow | €2.319 billion pre-tax free cash flow in Q3 FY2026 | $3.7 billion free cash flow in FY2025; non-GAAP |
| Backlog | €162 billion at the end of Q3 FY2026; €138 billion at September 30, 2025 | $150 billion at FY2025 year-end, defined as remaining performance obligations |
| Services disclosure | No directly equivalent percentage stated in the cited figures | Services represented more than 55% of backlog in the FY2025 shareholder letter |
Siemens Energy reported that Q3 FY2026 orders rose on strength in Gas Services, with strong increases in Grid Technologies and Transformation of Industry. It confirmed its FY2026 outlook and expected profit margin before special items toward the upper end of its guided range. These are management’s reported results and guidance, not an independent forecast.
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GE Vernova’s FY2025 adjusted EBITDA and free cash flow are non-GAAP measures. Use the company’s reconciliation and definition when comparing them with a GAAP operating profit, net income or cash-flow figure from another issuer. GE Vernova’s Q2 2026 Form 10-Q is the relevant later filing for subsequent trends; do not describe the FY2025 amounts as if they were Q2 or Q3 2026 performance.
How to read the two backlogs
Backlog is visibility, not earned profit
A backlog records contracted work that has not yet been recognized as revenue under the company’s definition. It can indicate demand and future workload, but it does not tell you the eventual gross margin, cash timing, cancellation risk or cost to finish. A large project may remain in backlog for years while permitting, customer financing, engineering, manufacturing and installation proceed.
GE Vernova’s $150 billion FY2025 figure is explicitly defined in the annual report as remaining performance obligations. Siemens Energy reports €162 billion at the end of Q3 FY2026 and €138 billion at September 30, 2025. Because the currencies, dates and definitions are not identical, these figures are evidence of scale and visibility rather than a clean ranking.
Questions that make backlog useful
- Duration: What portion is expected to convert in the next 12 months, and what portion extends over several years?
- Mix: How much is equipment, construction and engineering, and how much is service work on an installed fleet?
- Pricing: Do contracts contain escalation clauses that offset labor, commodity, freight and tariff inflation?
- Margin: Are new awards being booked at attractive expected margins, or is volume being purchased with concessions?
- Customer and geography: Is the backlog concentrated in a few utilities, developers or countries?
- Conversion: Are orders turning into revenue and cash on schedule, or are working-capital requirements rising?
- Cancellation and modification rights: What happens if a customer cannot obtain permits, financing or grid connection?
Strong order intake can coexist with weak cash generation when projects require large deposits for components or when cost overruns consume the expected margin. Conversely, a slower order quarter is less alarming if a high-quality service backlog is converting predictably.
Profitability and cash generation
Siemens Energy’s current signal
In Q3 FY2026 Siemens Energy reported €1.623 billion of profit before special items and €2.319 billion of pre-tax free cash flow. The quarter also produced a positive Siemens Gamesa result for the first time since FY2022. Those figures show meaningful operational progress, but one quarter does not establish a permanent margin level or prove that every legacy wind obligation has been resolved. Review subsequent quarters for repeatability, working-capital normalization and any special items excluded from the headline measure.
GE Vernova’s annual baseline
GE Vernova reported $3.2 billion of adjusted EBITDA and $3.7 billion of free cash flow for FY2025, both non-GAAP measures. Compare the reconciled figures with GAAP results, capital expenditure, restructuring costs, pension effects and changes in receivables, inventory and contract liabilities. The important investment question is not simply whether cash flow is positive, but whether it remains positive through the delivery cycle and after the spending required to support growth.
What to examine in the next filings
- Orders and revenue growth by segment using the latest organizational presentation.
- Reported and adjusted operating margins, with a bridge explaining special items.
- Operating cash flow and free cash flow after capital expenditure.
- Contract assets, contract liabilities, receivables and inventory relative to revenue.
- Warranty provisions, loss-making contracts and changes in project estimates.
- Net debt, liquidity, maturities and access to committed credit facilities.
Wind is the clearest execution differentiator
Both companies participate in wind, but Siemens Energy’s Siemens Gamesa turnaround is a particularly important part of its current investment narrative. The company said the business remained on track for FY2026 break-even and reported a positive quarterly result in Q3 FY2026, the first since FY2022. That is encouraging company-reported progress, not proof that the turnaround is complete.
The earlier onshore quality problems have consequences beyond a single quarter: warranty work, component replacement, field-service expense, customer negotiations and reputational effects can affect cash and margins for years. Monitor warranty provisions, service costs, project losses, order selectivity and whether new turbine platforms are being delivered without repeating historical defects.
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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsGE Vernova’s Wind segment includes onshore and offshore turbines and blades. Its risks likewise include product quality, warranty obligations, supply-chain availability, project execution and policy-dependent demand. Offshore projects can involve especially long development timelines and exposure to permitting, financing, vessel availability and changing economics. A turbine order is therefore not equivalent to immediate, high-margin revenue.
Grid and electrification exposure
Electricity demand is increasing in many markets because of industrial electrification, data-center construction, transport, heating and replacement of aging infrastructure. Management at both companies has highlighted the broader energy-system transformation. GE Vernova CEO and President Scott Strazik wrote in the 2025 shareholder letter, “The global energy system is undergoing a major transformation.” Siemens Energy President and CEO Christian Bruch said in the August 5, 2026 Q3 FY2026 release, “Global demand for electricity – and consequently for our products – remained strong in the third quarter.” These are management statements, not independent forecasts.
The practical investment question is where profitable bottlenecks occur. Grid projects may require transformers, switchgear, high-voltage direct-current systems, protection and control equipment, software, storage integration and field services. Generation projects may require turbines, generators, heat-recovery systems, nuclear or hydro equipment and long-term maintenance. Demand can support both companies while still producing different winners by technology, geography, contract structure and manufacturing capacity.
Grid investment is also exposed to permitting, utility rate cases, interconnection queues, customer financing and public-policy changes. A favorable demand theme does not establish which company will win orders, what price it can charge or when cash will be collected.
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Company-specific risks to investigate
Siemens Energy
- Wind recovery: Siemens Gamesa’s return to a positive quarter and expected FY2026 break-even must be tested across additional reporting periods.
- Legacy quality exposure: The aftereffects of prior Siemens Gamesa onshore quality issues can continue through warranties, remediation and customer claims.
- Transformation of Industry separation: The planned legal and operational separation creates milestones for accounting, governance, stranded costs, shared services and execution.
- Supply and trade: Material availability, tariffs, trade restrictions and geopolitical developments can alter cost and delivery schedules.
- Portfolio complexity: Gas, grid, industrial systems and wind respond to different cycles and policy regimes, making consolidated results harder to interpret.
GE Vernova
- Project execution: Large power and grid projects can suffer delays, cost overruns, engineering changes or customer disputes.
- Quality and warranty: Product defects or underperformance can create provisions and cash costs after a sale.
- Supply chain and tariffs: Components, commodities, freight and trade rules can pressure margins when contracts do not fully pass through costs.
- Policy and demand: Power, wind and grid markets depend partly on regulation, permitting, incentives and utility investment decisions.
- Reporting continuity: The January 1, 2026 business-unit realignment can affect subsegment trends and the comparability of historical disclosures.
Risks shared by both
- Long lead times between order, manufacturing, installation and final acceptance.
- Customer financing, permitting and grid-connection delays.
- Commodity and component availability, including specialist electrical equipment.
- Geopolitical events, tariffs and changing trade rules.
- Working-capital swings that make accounting profit and cash flow diverge.
- Changes in power-market policy or the timing of generation and grid investment.
These are issues to investigate in current annual reports, quarterly filings and earnings materials. They do not establish a probability ranking between the companies.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.A practical investment-comparison framework
1. Normalize the periods
Start with the same quarter or trailing 12-month window. Label Siemens Energy’s September fiscal year and GE Vernova’s calendar year. Do not place Siemens Energy Q3 FY2026 beside GE Vernova FY2025 without making the period difference explicit.
2. Keep currencies and definitions visible
Show euros and dollars as reported, or disclose the exchange rate and date if you convert them. Keep adjusted EBITDA, free cash flow, profit before special items and GAAP measures in separate rows. Note whether backlog means remaining performance obligations or another company-defined measure.
3. Split equipment from services
Equipment orders can be lumpy and capital intensive. Services may have longer duration and different margins. GE Vernova’s disclosure that services were more than 55% of FY2025 backlog is useful context; Siemens Energy’s comparable percentage is not established by the figures above, so do not infer one.
4. Test backlog quality, not just size
Read the backlog note for timing, cancellation provisions, customer concentration, escalation clauses and expected margin. Then compare backlog conversion with revenue and operating cash flow. A larger backlog can carry more execution risk if it is concentrated in difficult projects.
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5. Track execution indicators
For Siemens Energy, follow Siemens Gamesa’s warranty and project-cost trends and the Transformation of Industry separation. For GE Vernova, follow the effects of the 2026 realignment, Power and Wind project execution, and Electrification demand and margins. In both cases, look for changes in provisions, loss-making contracts and delivery schedules.
6. Check balance-sheet resilience
Review liquidity, net debt, maturities, guarantees and the ability to fund inventory and project work during a downturn. Strong demand is less valuable to shareholders if growth requires excessive working capital or repeated equity issuance.
7. Value the shares separately
The available figures do not establish current share prices, valuation multiples or independent analyst estimates. A company can have better operations and still be the worse investment if the market price already discounts an optimistic outcome. Use dated market data and explicitly comparable assumptions for price-to-earnings, enterprise-value-to-EBITDA, free-cash-flow yield or other valuation work.
What could change the investment case
| Development | Why it matters | What to verify |
|---|---|---|
| Siemens Gamesa achieves sustained break-even | Would support the credibility of the wind turnaround and reduce a major source of earnings volatility | Several quarters of results, warranty costs, cash flow and new-order quality |
| Transformation of Industry separation advances | Could simplify Siemens Energy’s portfolio but may create transition costs and reporting changes | Legal structure, retained stake, stranded costs, governance and pro-forma disclosure |
| GE Vernova converts backlog faster | Could improve revenue and cash visibility | Remaining-performance-obligation timing, margins, working capital and project milestones |
| Grid investment accelerates | Could benefit both companies’ transmission, electrification and services businesses | Utility orders, permitting, manufacturing capacity and pricing discipline |
| Tariffs or component shortages worsen | Could compress margins or delay delivery | Contract pass-through clauses, supplier concentration and inventory trends |
| Policy support weakens | Could slow wind, generation or grid projects | Regional exposure, customer cancellations and revised project economics |
Bottom line for different investor priorities
Siemens Energy may suit an investor who wants broad exposure to gas services, grids, industrial energy systems and wind, and who accepts the need to monitor Siemens Gamesa’s recovery and the planned portfolio separation. Its Q3 FY2026 figures show strong reported momentum, but the wind turnaround and restructuring remain execution-dependent.
GE Vernova may suit an investor seeking exposure to Power, Wind and Electrification with a large service component and a clearly disclosed FY2025 backlog. The case still depends on project delivery, quality, supply costs, policy and the comparability of results after the 2026 business-unit realignment.
For either company, the decisive work is not choosing the larger backlog. It is establishing how much of that backlog can convert into profitable revenue and durable cash flow at the price you would pay. Recheck the latest filings before acting because guidance, restructuring plans, operating results and share prices can change quickly.
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