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DEME's first-half rebound puts dredging margins in focus

Published 26 August 2026 Publisher IMWO Section Markets
IMWO slope chart comparing DEME Dredging and Infra's first-half weighted-average hopper and cutter dredger occupation in 2025 and 2026, expressed in weeks rather than utilisation percentages

IMWO original occupation chart from DEME's 26 August 2026 results release, page 11; company fleet averages, not future vessel availability

DEME's first-half dredging results show a pronounced earnings recovery alongside modest turnover growth. Fleet occupation, an earlier project loss and the treatment of long-term concessions explain why the segment deserves a closer reading than the group's headline totals.

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Margins move faster than turnover

DEME's 26 August presentation puts Dredging & Infra turnover at EUR 967 million for the first half of 2026, against EUR 948 million a year earlier. EBITDA rose from EUR 117 million to EUR 212 million. The margin moved from roughly 12% to 22%. These are rounded segment figures, rather than the consolidated group's results.

Management attributes the improvement to execution and vessel occupation, while noting that the previous first half included a loss on a marine-infrastructure contract. The comparison therefore combines stronger operations with an adverse prior-year baseline. It offers information about DEME's portfolio and contract execution, rather than establishing an industry-wide increase in dredging prices.

Fleet occupation is expressed in weeks

The accompanying results release gives weighted-average operational occupation of 21.4 weeks for trailing suction hopper dredgers, against 18.7 weeks in the prior first half. Cutter suction dredgers reached 15.6 weeks, against 8.9 weeks. These are reporting-period averages in weeks, not utilisation percentages or booked availability for a future tender.

The two vessel classes serve different ground conditions, production systems and material routes. A rebound in cutter occupation does not imply an interchangeable increase in hopper capacity. For a new works package, regional mobilisation, vessel suitability, support plant and the intended construction window still determine whether a particular spread can respond.

Order book is a dated stock

Dredging & Infra's order book was EUR 3,109.0 million at the end of June, against EUR 3,073.8 million a year earlier and EUR 2,944.9 million at the end of 2025. Its movement includes both additions and work converted into turnover. The balance is not a tally of new awards announced during the half year.

DEME includes contracts after signing with the client. For long-term frameworks and concessions, it recognises secured work within a rolling maximum five-year horizon. This limits how a headline concession duration translates into the published pipeline. A 25-year operating right cannot simply be entered as 25 years of immediately secured dredging revenue.

Paranagua illustrates the concession distinction

The DEME-FTS venture signed Paranagua's access-channel concession on 12 March. DEME's dated signing announcement describes a 25-year scope covering operation, maintenance, improvement and deepening, with its share classified above EUR 300 million. Planned draft capacity rises from 13.3m to 15.5m; the announcement establishes a contract and its objective, rather than accepted navigation geometry.

Brazil's Ministry of Ports and Airports described BRL 1.23 billion of investment over the concession term. That investment programme and DEME's contract classification use different currencies, ownership bases and definitions. Neither figure is the segment's entire order-book addition or an annual excavation budget. Converting and adding them would not produce a meaningful measure of workload.

The port authority's 18 May notice separately identifies Vox Amalia, operated by Van Oord, for a maintenance campaign begun in late April under the Itibere consortium. It expected completion by late June. That dated maintenance account does not confirm completion, nor does it establish DEME's physical mobilisation under the concession. The same channel can have distinct contractual delivery histories.

Consolidation changes the comparison basis

Segment turnover includes DEME's proportionate share of joint ventures, whereas its financial statements use equity accounting for those ventures. The results release explicitly reconciles the two bases. Adding reported segment turnover and treating the sum as consolidated group turnover would therefore misstate the accounting scope.

Contractor comparisons require the same period and the same segment definition. They then distinguish recurring operating performance, the influence of a project loss and the method used to include joint ventures. EBITDA is also not cash generation or a payable works quantity. Accounting recovery, physical production and contract acceptance need their own measures.

What the results mean for marine packages

IMWO's reading is that the dredging segment enters the second half with improved operational occupation and a substantial signed-work balance, while the scale of earnings recovery is amplified by the prior-year loss. This is a stronger execution signal than turnover growth alone, but it leaves tender-specific fleet availability and pricing unresolved.

For individual schemes, subsequent contract notices, vessel deployment, production surveys and accepted depths will connect financial visibility with delivery. For later company comparisons, the next reporting period must retain the same segment and consolidation basis. Those two tracks allow readers to follow both a contractor's operating performance and the port infrastructure it is contracted to deliver.

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Cite this article

International Marine Work Organization (2026). DEME's first-half rebound puts dredging margins in focus. https://imwo.org/articles/article-deme-dredging-rebound-order-book-basis