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SIEGY · Forward model · Smart Infrastructure

What has to happen in Smart Infrastructure

Model as of

This page changes Smart Infrastructure inside the complete SIEGY model. Every other vertical, corporate programme and valuation assumption stays in the selected portfolio case.

SIEGY forward model
Horizon
Consolidated fair value $166.77 all other verticals held in this portfolio case
Final-quarter revenue $10.88B 34% of company revenue
Explicit segment contribution $27.55B EBITDA less segment capex, before corporate items

Smart Infrastructure

Basis quarter$7.43B
Final quarter$10.88B
Implied CAGR+8%
Final revenue mix34%

Electrification, grid technology, electrical products and building automation - the business that sells the switchgear, transformers, busways and low-voltage products a data centre needs before a single GPU is racked. This is the line where the AI capital cycle actually reaches Siemens: third-quarter orders jumped 40% nominal to a record EUR 8.0bn on large data-centre contracts in the U.S. and Europe, against revenue of EUR 6.4bn, and management raised the fiscal 2026 comparable growth guide from 8-10% to 10-11% and the margin guide from 18-19% to 18.5-19.5% on the strength of it. Revenue is order-backlog-fed and lags the order book by several quarters.

Last four quarters
2025 Q4 $7.30B Reported
2026 Q1 $6.44B Reported
2026 Q2 $6.94B Reported
2026 Q3 $7.43B Reported
ElectrificationElectrical productsBuildingsGrid softwareService business
Sequential growth +2.5%/qtr decaying toward +1.4% Compounds to 10.5%, the midpoint of the raised 10-11% comparable guide for fiscal 2026.
Smart Infrastructure

Latest: $10.88B (2031Q3E)

Period Value
2024Q1 $5.19B
2024Q2 $5.59B
2024Q3 $5.83B
2024Q4 $6.57B
2025Q1 $5.64B
2025Q2 $6.05B
2025Q3 $6.48B
2025Q4 $7.30B
2026Q1 $6.44B
2026Q2 $6.94B
2026Q3 $7.43B
2026Q4E $8.23B
2027Q1E $7.32B
2027Q2E $8.06B
2027Q3E $8.16B
2027Q4E $9.01B
2028Q1E $7.99B
2028Q2E $8.77B
2028Q3E $8.85B
2028Q4E $9.75B
2029Q1E $8.63B
2029Q2E $9.45B
2029Q3E $9.53B
2029Q4E $10.48B
2030Q1E $9.25B
2030Q2E $10.13B
2030Q3E $10.20B
2030Q4E $11.20B
2031Q1E $9.88B
2031Q2E $10.81B
2031Q3E $10.88B

Assumptions & reasoning

  • The one vertical here where the order book leads the revenue line by enough to matter: orders of EUR 8,002m against EUR 6,387m of revenue, a 1.25 book-to-bill, on large data-centre contracts in the U.S. and Europe. Siemens raised both the growth guide (8-10% to 10-11%) and the margin guide (18-19% to 18.5-19.5%) on the strength of it.
  • EBITDA margin of 21.0% is the midpoint of the raised 18.5-19.5% profit-margin guide plus the 2.0 points by which the quarter's EBITDA margin exceeded its profit margin (EUR 143m of D&A less EUR 18m of PPA on EUR 6,387m). The basis quarter printed 21.9% and the trailing year 20.7%.
  • Seasonal, and on evidence rather than shape alone: the centred four-quarter test gives a signal of 0.141 against a worst window spread of 0.015, and the sequential fiscal Q3-to-Q4 step was +10.3% in fiscal 2024 and +9.4% in fiscal 2025 in euros. July to September is Siemens' year-end delivery quarter.
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