RAS sizing and cost in Thailand.
Thai RAS interest is driven by shrimp nursery intensification, disease-control biosecurity and urban tilapia and seabass supply, rather than salmon-scale grow-out. Most projects are conversions or additions to existing hatchery and farm infrastructure, so CAPEX per tonne sits well below greenfield benchmarks — but aeration, backup power and biosecurity scope decide success. Size the system first, then price it against the Thai benchmarks below.
Species in scope: Whiteleg shrimp nurseries (P. vannamei), Nile tilapia, Asian seabass (barramundi), hybrid grouper, snakehead
Size the system for Thailand conditions
Run the sizing first. Tank volume, recirculation flow, biofilter media and oxygen duty are what turn a per-tonne benchmark into a budget that survives a bid comparison.
RAS sizing calculator
Recirculating aquaculture systems (RAS) are sized around standing biomass, feed load and target density. This tool derives system volume, daily make-up water, TAN production, MBBR biofilter volume and oxygen demand — the five numbers every RAS engineer starts with.
Trout/salmon 40–80, tilapia 60–120
Modern RAS 3–10%
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.
What is different about RAS projects in Thailand
Nursery, not grow-out, is the main RAS case
The strongest Thai RAS economics are in shrimp nurseries and fish hatchery-to-juvenile stages, where density is high, residence time is short and biosecurity value is large. Sizing a nursery in PL numbers and target survival is a different calculation from grow-out tonnes — do not apply grow-out per-tonne benchmarks.
Biosecurity scope is a CAPEX line, not a feature
Pathogen exclusion (EHP, EMS/AHPND and WSSV history in Thai shrimp) means intake treatment, quarantine, disinfection and compartmentalised systems belong in the base design. A biosecure nursery costs more per cubic metre than an open one and delivers its return in survival, not in feed savings.
Backup power decides real availability
Grid interruptions in rural aquaculture zones make generator capacity, automatic transfer and UPS-protected control systems a survival issue within minutes at high density. Specify autonomy time in hours in the tender — it materially changes both generator sizing and price.
Cooling demand is modest, aeration demand is not
Warm ambient water means little chilling duty, but oxygenation at high density in a hot, humid climate sets blower and pure-oxygen duty high. Model aeration and degassing as the dominant energy lines, with pumping second.
Thai RAS sizing and cost benchmarks
Planning-grade bands for early budgeting and bid sanity checks — not quotations. Final pricing depends on site, scope and specification.
| Parameter | Typical range | Note |
|---|---|---|
| Typical project scale | 100–1,500 t/y fish; shrimp nurseries 50–500 million PL/year | Most projects are staged modules added to existing farms or hatcheries. |
| CAPEX per tonne (fish grow-out) | USD 6,000–14,000 /t/y | Planning band for concrete or lined-tank tilapia/seabass systems; excludes land and buildings. |
| Shrimp nursery CAPEX | USD 2.5–6.0 per 1,000 PL/year capacity | Biosecure indoor nursery with full intake treatment; biosecurity scope is the main driver. |
| Conversion CAPEX (biofloc/RAS retrofit) | USD 3,500–8,000 /t/y | Filtration, aeration, backup power and control added to existing tanks or lined ponds. |
| Grow-out density | 25–60 kg/m³ fish; nursery 2–6 g/L equivalent | Density ceiling is set by aeration and degassing duty in warm water, not by tank volume. |
| Specific energy use | 2.5–5.5 kWh/kg produced | Aeration and degassing dominate; pumping second; little or no chilling. |
Operator availability in Thailand
- Thailand has one of Southeast Asia's deepest aquaculture labour pools, with experienced shrimp and fish farm staff available across the coastal and central provinces — the constraint is recirculation process expertise, not husbandry.
- Senior RAS process technicians and biofilter specialists are scarce; most projects hire experienced farm managers and train them on the installed system. Budget 3–6 months of recruitment and a structured training program for the lead operator.
- Commissioning support with live stock is essential for nursery projects because survival targets are hit or missed in the first production cycles. Ask for on-site commissioning of at least one full production cycle explicitly in the RFQ — it is often quoted as an option and dropped in bid comparison.
- Supplier service response varies by region; Bangkok- and Eastern Seaboard-based projects get faster support than remote southern sites. Specify the guaranteed response window in hours in the tender document, and hold critical blower and pump spares on site from commissioning.
Price and stress-test the sized system
Check the water budget, cost per kilogram and bid normalisation against the same scope before you talk to anyone.
- RAS system sizing calculator
Size tanks, flow rate, biofilter volume and oxygen supply from your target biomass and feed load.
Open calculator - RAS water turnover & exchange rate calculator
Check hydraulic retention time and daily new-water exchange against stocking density and feed input.
Open calculator - RAS feasibility & production cost calculator
Estimate cost per kilogram produced — feed, energy, oxygen, labour — before committing CAPEX.
Open calculator - RAS bid normalizer — compare supplier quotations
Compare RAS supplier quotes on identical scope so price, capacity and lead time line up line-for-line.
Open calculator
RAS in Thailand — FAQ
ไทย
ระบบ RAS ในประเทศไทยมีต้นทุนเท่าไร?
สำหรับการวางแผนเบื้องต้น ระบบเลี้ยงปลาแบบ RAS อยู่ที่ประมาณ 6,000–14,000 ดอลลาร์สหรัฐต่อตันต่อปี โรงพ่อพันธุ์ลูกกุ้งประมาณ 2.5–6.0 ดอลลาร์ต่อลูกกุ้ง 1,000 ตัวต่อปี และการปรับปรุงบ่อเดิมเป็นระบบไบโอฟล็อก/RAS ประมาณ 3,500–8,000 ดอลลาร์ต่อตัน ขอบเขตด้านความมั่นคงทางชีวภาพและไฟฟ้าสำรองเป็นตัวแปรสำคัญของต้นทุน
ทำไมโครงการ RAS ในไทยจึงเน้นโรงพ่อพันธุ์ลูกกุ้ง?
เพราะผลตอบแทนหลักมาจากความมั่นคงทางชีวภาพ ไม่ใช่การประหยัดอาหาร โรงพ่อพันธุ์ที่มีการบำบัดน้ำเข้า การกักกัน และการแยกส่วนระบบช่วยเพิ่มอัตรารอดของลูกกุ้งและป้องกันโรค EHP และ EMS ในระบบเลี้ยงขยายผล
หาผู้เชี่ยวชาญด้าน RAS ในไทยได้หรือไม่?
บุคลากรด้านการเลี้ยงกุ้งและปลามีอยู่มากและมีประสบการณ์สูง แต่ผู้เชี่ยวชาญด้านกระบวนการหมุนเวียนน้ำ เช่น การจัดการไบโอฟิลเตอร์ ยังขาดแคลน โครงการส่วนใหญ่จึงรับผู้จัดการฟาร์มที่มีประสบการณ์มาอบรมกับระบบที่ติดตั้ง และจ้างการสนับสนุนการเดินระบบอย่างน้อยหนึ่งรอบการผลิต
FishMatch Group is a managed sourcing service. Every brief is reviewed by a person before sourcing begins — suppliers are never contacted automatically and supplier identities are never exposed.
Short answer
What is the fastest way to get quotes for Thailand?
Submit one structured request for Thailand. 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
Before you request quotes
Costs & budgeting
How much does a commercial fish farm cost to build?
Budget ranges depend on system type, not on country alone. Pond and cage projects are usually the lowest capital per tonne of annual output, while recirculating (RAS) projects carry the highest equipment and energy share because filtration, oxygenation and backup power are mandatory. Reliable numbers come from a sized bill of quantities — species, target tonnage, water source and grow-out temperature — not from a generic price list. Use the FishMatch calculators to size the project, then submit an RFQ so quotes are priced against the same specification.
What drives the price differences between aquaculture equipment quotes?
Most spread between quotes comes from scope, not from margin: included spares, installation and commissioning, control and automation level, materials (HDPE vs steel vs FRP), certification and testing, delivery terms (EXW vs CIF) and warranty length. Two quotes are only comparable when they answer the same specification. A structured RFQ fixes the scope so differences reflect real engineering choices.
What operating costs should a business plan include?
Feed is normally the largest recurring cost, followed by energy (highest in RAS), labour, fingerlings or post-larvae, health management, water treatment consumables and maintenance. Financing cost and working capital for the first production cycle are frequently underestimated. FishMatch cost tools separate CAPEX from OPEX so the payback assumption is visible rather than implied.
Equipment scope
What equipment does a commercial aquaculture project actually need?
A grow-out project typically needs holding infrastructure (tanks, ponds or cages), water movement (pumps, piping, valves), aeration or oxygenation, water treatment appropriate to the system, feeding equipment, grading and handling gear, monitoring and alarms, and backup power. RAS adds mechanical filtration, biofiltration, degassing, disinfection and tighter process control. Hatchery and processing scopes are specified separately.
Which equipment should be specified before requesting quotes?
Specify the items whose sizing changes everything downstream: design biomass and stocking density, water exchange or recirculation rate, oxygen demand at peak temperature, and installed pumping head. With those four fixed, suppliers can quote aeration, filtration, pumps and power on the same basis. FishMatch calculators produce these figures and attach them to the RFQ.
Can equipment be sourced in stages?
Yes, and phased procurement is common. The usual sequence is water supply and holding infrastructure, then aeration and treatment, then automation and monitoring, then processing and cold chain. Staging works when interfaces and capacity headroom are defined at the start; otherwise later phases force replacement rather than addition.