Trout raceways and emerging marine RAS in France.

For commercial operators, integrators, developers and institutional projects — not backyard farming. Plan the rainbow trout project first, then source equipment and financing with the numbers already in hand.

  • Trout raceways
  • Marine RAS
  • Cage modernization
  • Water reuse
  • Energy costs
  • Premium market positioning

Indicative project plan

A 750 t/year rainbow trout project in raceway / flow-through (France) needs roughly 1.3 ha, 825 t of feed per year, 573 kW of aeration and an indicative CAPEX of €4.50M – €10.80M.

Figures shown in EUR, converted from EUR at indicative planning rates.

Production & infrastructure

Cycles per year
1.2
Harvest per cycle
616.4 t
Standing biomass
382.2 t
Juveniles / PL per year
2.44 million
System volume
15,288 m³
Water area
1.3 ha
Number of tanks
51 × 300 m³
Stocking density
130.9 animals/m³

Water, oxygen & energy

Water exchange / make-up
91,726 m³/d
Annual water requirement
33,480,000 m³
Pump flow
30,575 m³/h (78 pumps incl. standby)
Oxygen demand
2,935 kg O₂/d
Installed aeration
573 kW (≈ 261 units)
Peak electrical load
1,651 kW
Annual energy
9,400,365 kWh
Backup generator (critical loads)
2,568 kVA

Feed

Feed per year
825 t
Feed per day (average)
2.26 t
Feed storage (14 days)
31.6 t
Annual feed cost
€1.28M
Automatic feeding justified?
Yes — likely commercially justified
Source feed (825 t)

Economics (base)

Indicative CAPEX
€4.50M – €10.80M
Annual OPEX
€3.98M
— feed
€1.28M
— juveniles / PL
€390k
— energy
€1.50M
Annual revenue
€4.05M
Operating contribution
€68k
Indicative payback
113.2 years
Return on CAPEX
1% / year

Equipment scope this project actually needs

  • Aerators / blowers
  • Oxygen generation or LOX
  • Pumps
  • Pond liners or tanks
  • Automatic feeding system
  • Feed storage (silos / warehouse)
  • Water quality monitoring & alarms
  • Backup generator
  • Solar for auxiliary loads
  • At this density a power or oxygen failure can cause total livestock loss within hours — full redundancy is mandatory.
  • Flow-through requires very large, reliable and permitted water volumes.

Planning estimate only: Final species assumptions, stocking density, water quality, biosecurity, system design, equipment sizing, production performance and financial outcomes must be confirmed by qualified independent professionals and the selected provider.

Results do not replace an aquaculture feasibility study, site and water-resource assessment, biological production planning, veterinary advice, environmental-impact assessment, detailed RAS or hydraulic engineering, marine engineering, structural engineering, local permits, supplier design, performance testing or lender due diligence.

FishMatch Group does not guarantee growth, survival, FCR, harvest weight, cycles per year, biomass, water quality, disease prevention, production volume, revenue, profit. Outputs are not legal, financial, engineering, tax or veterinary advice. Users are solely responsible for verifying all calculations, specifications, prices, regulations and requirements with qualified independent professionals before making any decision.

Supplier and manufacturer listings are provided for research, transparency and discovery only. FishMatch Group does not provide automatic buyer-supplier introductions. Every aquaculture project request is reviewed manually by David / FishMatch Group, and supplier introductions are made only after internal approval.

FishMatch Group is a supplier-neutral sourcing and matching platform. We do not operate farms and do not guarantee survival, FCR, growth, yield, ROI, disease prevention or financing approval. Final system design must be validated by qualified aquaculture engineers, suppliers and aquatic-health professionals.

Budget model

CAPEX, OPEX & ROI calculator — France

Indicative capital and operating budget for a commercial project in France, sized with the same engineering assumptions as the planner above. Ranges only — engineered quotations follow the RFQ.

Indicative CAPEX

€6.00M – €14.40M

Mid €10.20M · excludes land

Annual OPEX

€5.31M

€5k per tonne

Simple payback

113.2 yrs

Contribution €90k/yr

Return on CAPEX

0.9%/yr

Revenue €5.40M/yr

Annual operating cost breakdown
OPEX linePer yearShare
Feed€1.71M32.1%
Juveniles / post-larvae€519k9.8%
Energy€2.01M37.8%
Labour, health, maintenance, other€1.08M20.3%
Total OPEX€5.31M100%
  • At this density a power or oxygen failure can cause total livestock loss within hours — full redundancy is mandatory.
  • Flow-through requires very large, reliable and permitted water volumes.

Planning ranges derived from published equipment, feed and energy benchmarks for France. They are not a guarantee of biological or financial performance, and FishMatch Group is not a lender.

France planning questions

Common questions

Frequently asked questions

Next steps for France projects

Rainbow trout · pisciculture France · ferme aquacole France · RAS France · trout farm France · aquaculture project France. FishMatch Group is a supplier-neutral sourcing platform and does not operate farms or guarantee yield, FCR, ROI or financing approval.

Short answer

What is the fastest way to get quotes for France?

Submit one structured request for France. FishMatch Group translates it into a technical RFQ, runs a confidential sourcing round with project-matched international suppliers, and returns comparable quotations. No fee is charged to the buyer, and your identity and project details stay private until you choose to proceed.

How it works:
One structured request, human-reviewed before any supplier outreach
Typical turnaround:
Depends on scope and site data; no turnaround is guaranteed
Confidentiality:
Supplier names are never exposed during evaluation
Cost to buyers:
No fee charged to the buyer
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