Lifelines fail together
Part I describes systems and their couplings. It ranks no country or operator and assesses no authority.
Contents
- ·Edition home
- ·Executive summary
- 1Lifelines fail together
- 2Key findings
- 3Systems and sectors at baseline
- 4Risks and capability
- 5Power loss that overlaps a telecom or cloud failure
- 6Readings from the other desks
- 7The 2027 agenda
- 8Systems in depth
- AMethodology
- BData appendix
- CReferences and record
- ·Complete edition, for print
1.1The questions this part answers
Key questions
- Where is lifeline systems risk concentrated?
- Which couplings carry lifeline systems shocks into other systems?
- Which lifeline systems capabilities hold under compound stress?
- What must 2027 evidence measure first?
In this part
- Narrative
- Headline finding
- Lead figure
- Five mechanism chapters
- Twelve-domain reading
- Sector screens
- Dependency matrix
- Risk objects
- Capability ladder
- Scenario
- Three lenses
- Portfolio
1.2The argument
Lifeline systems are usually reported by sector: grid operators, water utilities, telecom carriers, hospitals. The 2025 and 2026 evidence reads them as one dependent network. Power runs the water works and the exchanges, the exchanges run the control systems, and software runs all of them142.
The causes repeat. A grid event in 2025 came from interacting technical factors1. A software update in 2024 reached millions of machines in hours4. State-sponsored actors were reported inside operator networks for years2. Fishing and anchoring faults hit subsea links about 199 times a year7. War now adds direct strikes on power and desalination plants13.
The physical base is uneven. The 2025 US report card gives energy D+ and drinking water C−, with a USD 3.6 trillion ten-year gap6. In low- and middle-income countries, disruptions cost at least USD 390 billion a year, and the World Bank finds that resilient options return about USD 4 per USD 111.
The edition therefore asks the same four questions of every event: what was the common cause, how did it spread, what was shared, and what threshold was crossed. It makes no attribution and ranks no operator.
Estimates of need and loss are large and drawn from different sources. The three bars use different periods and methods, so they show scale only and are not added101112.
| Item | Bar, scaled to the largest value | Value |
|---|---|---|
| Ukraine recovery needs, ten years | 587.7 | |
| Disruption cost in LMICs, per year (at least) | 390 | |
| Hazard loss to infrastructure, per year (more than) | 250 |
Source: as cited in the note to this figure. Year 2025.
Figure ID FIG-STRATEGIC-LIFELINES-GLOBAL-2026-BASELINE-01-003
1.3Twenty couplings between five systems
The lifeline systems-centred matrix types the twenty couplings between the five core systems, read for their lifeline systems content. Strengths are Nexus estimates (ESTIMATED) from the cited evidence and analogue events; they set the graph that 2027 evidence will test.
Each line is one coupling from one system to another, drawn by the strength the edition assigns. Strengths are Nexus estimates from the cited evidence and analogue events.
- Strong
- Moderate
- Weak
Source: this edition’s coupling matrix (Table 1.1); status Estimated.
| From, to | WAT | ENE | FOO | HLT | BIO |
|---|---|---|---|---|---|
| WAT Water | · | STRONG cooling · hydro | MODERATE irrigation · processing | STRONG safe supply · hospitals | WEAK flows |
| ENE Energy | STRONG pumping · treatment · desalination | · | STRONG cold chain · processing | STRONG hospitals · cooling · telecoms | WEAK land use |
| FOO Food | WEAK withdrawals | WEAK bioenergy | · | MODERATE nutrition · food safety | WEAK land conversion |
| HLT Health | WEAK workforce | WEAK workforce | WEAK labour | · | WEAK residues |
| BIO Biodiversity | MODERATE natural infrastructure | WEAK hydrology | WEAK pollination | WEAK zoonoses | · |
| Strength: strong, moderate or weak; a Nexus estimate (status Estimated) from cited evidence and analogue events. The scale is defined in Annex A. | |||||
Transmission paths
- 01
ENE → INF → HLT
A grid failure removes power from exchanges, pumps and hospitals together.
Reported 2025 blackout1
- 02
DAT → INF
A software fault spreads through a shared vendor to many operators.
Reported 2024 outage4
- 03
CON → ENE, WAT
Strikes on co-located power and desalination plants remove two services at once.
Reported 2026 Gulf strikes13
- 04
CLI → INF → FIN
Hazards damage assets and the cost lands on budgets.
Reported GAR 202510
- 05
AIC → ENE
Clustered digital load tightens local grids.
1.4Reinforcing loops
A shock entering either system of a loop can return amplified through the other.
| Loop | First direction | Second direction |
|---|---|---|
| WAT and ENE | Water to energy: cooling · hydro | Energy to water: pumping · treatment · desalination |
| A causal-loop reading of the matrix (Sterman, Business Dynamics, 2000): structural, from estimated strengths, not a measured feedback. | ||
Notes
Numbers are the edition’s reference numbers, so a note reads the same in every chapter. The full list, with every source and its licence, is in Annex C. Annex C, references
- 1ENTSO-E (ed.), 28 April 2025 Iberian blackout: final report of the expert panel (publication page; report dated 20 March 2026). ENTSO-E, Brussels. Observation year 2025. Accessed 2026-11-03.back
- 4Microsoft (ed.), Helping our customers through the CrowdStrike outage (blog post of 20 July 2024; estimate of 8.5 million Windows devices). Microsoft, Redmond. Observation year 2024. Accessed 2026-11-03.back
- 2CISA, NSA, FBI and partner agencies (eds.), PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure (Volt Typhoon), joint cybersecurity advisory AA24-038A, 7 February 2024. CISA, Arlington. Observation year 2024. Accessed 2026-11-03.back
- 7TeleGeography (ed.), Is it sabotage? Unraveling the mystery of undersea cable breaks (analysis of 199 faults a year, 2010 to 2023). TeleGeography, Washington. Observation year 2024. Accessed 2026-11-03.back
- 13UNVERIFIED, not opened: press and think-tank reports on strikes on power and desalination plants in Kuwait, Bahrain and the United Arab Emirates, March to July 2026 (including The National, Arab News and the Arab Center Washington DC), taken from search-result summaries; no official damage assessment was found. Observation year 2026. Accessed 2026-11-03.back
- 6ASCE (ed.), 2025 Report Card for America’s Infrastructure (overall grade C; ten-year investment gap USD 3.6 trillion; sector grades). American Society of Civil Engineers, Reston. Observation year 2025. Accessed 2026-11-03.back
- 11UNVERIFIED, not opened: Hallegatte, S., Rentschler, J. and Rozenberg, J., Lifelines: The Resilient Infrastructure Opportunity (disruptions cost at least USD 390 billion a year in low- and middle-income countries; USD 4.2 trillion net benefit; about USD 4 per USD 1), taken from search-result summaries; the repository returned an access error. World Bank and GFDRR, Washington, 2019. Observation year 2019. Accessed 2026-11-03.back
- 10UNVERIFIED, not opened: UNDRR (ed.), Global Assessment Report on Disaster Risk Reduction 2025: Resilience Pays (annual average loss to critical infrastructure above USD 250 billion for floods, tropical cyclones and earthquakes; about USD 2.3 trillion total annual disaster cost), taken from search-result summaries; the report page returned an access error. United Nations Office for Disaster Risk Reduction, Geneva. Observation year 2025. Accessed 2026-11-03.back
- 12UNVERIFIED, not opened: World Bank, United Nations and European Commission (eds.), Ukraine Fifth Rapid Damage and Needs Assessment (RDNA5), released 23 February 2026 (needs USD 587.7 billion over ten years; energy about USD 91 billion; direct damage to energy and extractives USD 24.8 billion to end 2025), taken from search-result summaries. Observation year 2025. Accessed 2026-11-03.back
- 9IEA (ed.), Global Energy Review 2026 (revised version, May 2026). International Energy Agency, Paris. Observation year 2025. Accessed 2026-11-03.back
- 8IEA (ed.), Energy and AI (World Energy Outlook Special Report). International Energy Agency, Paris, April 2025. Observation year 2024. Accessed 2026-11-03.back
