Communauté urbaine de Dunkerque · Nord · Hauts-de-France · 20,536 residents · Mayor: Arnaud Declunder
Grande-Synthe
€72.6 million spent in 2025.
€3,536 per resident · Towns of the same size: €1,855
Grande-Synthe’s spending by policy area
Click a line to see what it pays for
The 4 other items (5%)
Source: the town’s 2025 accounts (DGFiP), by public policy.
Where the money goes
The €72.6M spent in 2025, by who receives it.
Source: the town’s 2025 accounts (DGFiP).
Contracts state a maximum amount for their whole term, often several years. That amount differs from what was paid. Purchases, services and works paid to companies by the town in 2025: €21.8M (its accounts).
Click a name to see its contracts
- Totalenergies - Centrale Électrique Bayet3 contracts over 12 months to 4 years · at most ~€3.8M a year on average · 2 of them framework agreements (maximum envelopes)up to €10.6M
- Totalenergies Électricité et Gaz France1 contract over 4 years · at most ~€1.7M a year on average · framework agreement: maximum envelopeup to €6.8M
- Les Papillons Blancs de Dunkerque (ESAT Ateliers Littoral Dunkerquois)2 contracts over 4 years · at most ~€1.2M a year on average · framework agreements: maximum envelopesup to €4.8M
- Blot Électricité4 contracts over 4 years · at most ~€513k a year on average · 3 of them framework agreements (maximum envelopes)up to €2.1M
- Établissements A Cathelain et Compagnie1 contract over 18 months · at most ~€1.3M a year on averageup to €1.9M
- Greenway2 contracts over 4 years · at most ~€324k a year on average · framework agreements: maximum envelopesup to €1.3M
- Detam5 contracts over 4 months to 12 months · 4 with other holdersup to €1.1M
122 contracts signed in 2025 · €41.3M before tax · All contracts
What the town paid in 2025 for these kinds of purchase, from its accounts
- Electricity, gas and heatingall suppliers together · contracts in the list: Totalenergies - Centrale Électrique Bayet, Totalenergies Électricité et Gaz Francepaid €2.7M
- Fuelall suppliers together · contract in the list: Greenwaypaid €168k
- Maintenance and repairsall suppliers together · contract in the list: Blot Électricitépaid €1.8M
The accounts say how much was paid for each kind of purchase, not to which company. A purchase paid by another public body (joint order, shared service) is not in them.
Why this total differs from the €21.8M of purchases, services and works paid to companies
These are the amounts of the contracts signed in the year, over their whole length, not what was paid. The money paid in a year also goes to older contracts and to purchases too small to be published (under €40,000 excl. VAT). For a framework agreement, the amount is a ceiling.
Investment and works
€9.8M of capital spending in 2025 (building, renovation, equipment), €477 per resident. Towns of the same size: €372.
Click a building site to see the contract
- Reconstruction des services techniques : fondations, gros œuvre, charpente béton2025 · Administration and shared services · Établissements A Cathelain et Compagnie€1.9M
- Réseaux secs et éclairage public2024 · Town planning and housing · Société de Telephone et de Teledistribution du Nord€1.4M
- École maternelle Buffon, réhabilitation et extension2024 · Schools · 2 contracts€1.4M
- Pose et dépose de matériel d’illumination des fêtes de fin d’année2025 · 2 contracts€1.1M
- Stade Debussy2024 · Culture, sport and youth · 2 contracts€828k
Largest works contracted since 2023, among published contracts. Amounts planned at signature, often spread over several years.
In addition, €215k given to other bodies for their own equipment (joint funding, energy syndicate…).
Source: the town’s 2025 accounts (DGFiP), by public policy.
Revenue and financing
Revenue: €72.1M · borrowing: €2.5M · spending: €72.6M.
Source: the town’s 2025 accounts (DGFiP).
Debt and taxation
Accounts 2025, main budget (excluding annex budgets such as water), except debt and savings: main and annex budgets together (OFGL consolidated accounts). Per resident: amount divided by the total population (Insee, in force in the year of the accounts). Sources: DGFiP, OFGL. “Towns of the same size”: median of the 359 towns of 20,000 to 50,000 inhabitants.
Who spends for the residents of Grande-Synthe
Spending per resident in 2025 of each public body the town belongs to, and what each one pays for.
- TownGrande-SynthePrimary schools, canteens, local streets, civil registry€3,536 per resident
- IntercommunalityCommunauté urbaine de DunkerqueWaste, water, urban transport, economic development€1,943 per resident
- DépartementNordMinimum income, elderly and disability care, middle schools, county roads€1,308 per resident
- RegionHauts-de-FranceHigh schools, regional trains, training, business support€628 per resident
Each amount is what the body spends per resident, from its accounts (DGFiP). Do not add them up: part of the money passes from one body to another.
Understanding these figures
Running costs and works: what is the difference?
Running costs are each year’s spending: wages, energy, upkeep, grants. Works create or renovate something that lasts: a school, a road, a sports hall.
How is the comparison with towns of the same size made?
The towns of 20,000 to 50,000 inhabitants are ranked from lowest to highest value; the median is the value in the middle. A value above or below the median is not a judgement: it depends on the area, the population and the powers held by the intercommunality.
Where do these figures come from?
From the town’s accounts kept by the public accountant (DGFiP), the local finance observatory (OFGL) and public procurement data. Qipu changes no amount.
Elected officials and staff of Grande-Synthe: to report a figure to correct or add context, write to Qipu.
Compare with Denain or with another town:
Page published by Qipu, independent of the town · Sources and method
DGFiP balance-sheet accounts (nature axis) · OFGL (consolidated towns base) · Public procurement — DECP (data.gouv.fr) · National register of elected officials, archived versions 2020-2025 · 2025. The method · See the source