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18 line items in process order, each with its tag, specification, quantity, power and an indicative unit price.
500 t bulk · 8–10 °C · 85–95 % RH · 3 t intake hopper
Holds contract potatoes at a sugar-safe 8–10 °C and meters them to the line through a hopper.
1.5 t/h · stone trap flume · SS304 · recirculated water
Tumbles potatoes under spray bars and drops out stones before they can damage the peeler.
1.5 t/h · 9 abrasive/brush rollers · adjustable dwell
Abrades the skin off continuously with water sprays, keeping peel loss to about 12–15 %.
6 m · 6 trim stations · LED lighting · reject chutes
Rotates tubers under good light so operators trim green, rot and eye defects.
700 kg/h · 7–14 mm grids · shaker removes slivers
Cuts peeled tubers into uniform strips and screens out slivers and nubbins.
600 kg/h · 1.2–1.8 mm flat or crinkle · counter-flow washer · starch cyclone
Slices potatoes to a tight tolerance, then rinses off free starch so slices fry evenly without sticking.
700 kg/h · 70–85 °C · 8–15 min · thermal-oil heat exchanger
Leaches sugars and gelatinises the surface of fry strips for even colour and texture.
700 kg/h · vibrating mesh · 3 air-knife blowers
Shakes and blows surface water off strips and slices before they enter the fryer.
400 kg/h out · 170–180 °C · 45–60 s · submerger belt · oil filter
Par-fries strips to set the crust while leaving the core moist for final frying.
120 kg/h crisps · 180 → 165 °C · paddles + submerger · fines removal
Fries slices to about 2 % moisture with continuous oil filtration and top-up.
800 kW (690,000 kcal/h) · 300 °C oil · briquette stoker
Heats the fryers and blancher indirectly, avoiding hot spots that degrade frying oil.
150 kg/h · vibratory de-oiler · tumble drum · auger dosing
Drains surface oil and coats warm crisps evenly with dry seasoning.
400–500 kg/h · −35 °C air · 12–15 min · pre-cooling zone
Freezes each fry individually to a −18 °C core so bags pour free.
150 kW at −42 °C SST · screw compressors · evaporative condenser
Supplies the IQF tunnel with low-temperature refrigeration from a low-charge ammonia pack.
10-head weigher · 25–35 bags/min · metal detector + checkweigher
Weighs and bags frozen fries into retail and catering packs in a chilled packing room.
14-head weigher · 60–70 bags/min · PSA N₂ generator · metal detector
Packs crisps in nitrogen-flushed metallised bags to keep them crunchy for 6 months.
300 t · 150 mm PU panels · 2 condensing units · racking + dock seal
Holds 6–8 weeks of frozen fries at −18 °C with continuous temperature logging.
Under-water weigher · colorimeter · polar-compound oil tester · moisture analyser
Checks dry matter, sugars, fry colour, oil quality and moisture for every batch.
Indicative ex-works prices (US$, 2026) for budgeting a sample project, not quotations. Photos are illustrative of each machine class.
12 unit operations in order, with the equipment that performs each and its control point.
| Step | Operation | Equipment | Control point |
|---|---|---|---|
| 01 | Receiving & storageContract loads are sampled, weighed and held in the ventilated store at 8–10 °C. | ST-101 Ventilated Potato Store & Intake Hopper |
Dry matter ≥ 20 % · reducing sugars · defects < 5 % |
| 02 | Washing & destoningPotatoes tumble under spray bars while a flume drops out stones and soil.Soil & stones → fill | WD-201 Drum Washer & Destoner |
No stones past trap · wash water changed per shift |
| 03 | PeelingBrush and abrasive rollers remove the skin with continuous water sprays.Peel → animal feed | PL-202 Continuous Brush-Roller Peeler |
Peel loss 12–15 % · < 5 % skin remaining |
| 04 | Inspection & trimmingOperators trim greening, rot and deep eyes and reject unusable tubers.Rejects → animal feed | IN-203 Roller Inspection & Trim Conveyor |
Zero green or rotten pieces past the table |
| 05 | Strip cutting & slicingAbout 580 kg/h goes to the strip cutter for fries; 420 kg/h is sliced and washed for crisps.Slivers → animal feed | CT-301 Fries Strip Cutter & Sliver GraderSL-302 Crisp Slicer & Starch-Wash Unit |
Strip 10 × 10 mm ± 0.5 · slice 1.4 ± 0.1 mm |
| 06 | Blanching & starch removalFry strips are hot-water blanched; starch-laden blancher and slice-wash water goes to effluent.Starch water → effluent | BL-401 Rotary Hot-Water Blancher |
Blanch 75–80 °C for 10–15 min · blanch water changed per shift |
| 07 | DewateringVibrating mesh and air knives strip surface water ahead of each fryer. | DW-403 Vibratory Dewaterer & Air Knife |
No free water at fryer infeed |
| 08 | Continuous fryingFries are par-fried at 175 °C for about 50 s; crisps fry at 180 → 165 °C for about 3 min.Used oil → biodiesel | FR-501 Continuous Fries Par-FryerFR-502 Continuous Crisps FryerTH-503 Biomass Thermal-Oil Heater |
Oil temperature · polar compounds < 24 % · crisp moisture ≤ 2 % |
| 09 | De-oiling & seasoningCrisps are shaken to drain surface oil and tumbled with 6–8 % dry seasoning. | SE-601 De-Oiling Shaker & Seasoning Drum |
Seasoning 6–8 % · crisp oil content 33–36 % |
| 10 | IQF freezingPar-fried fries are pre-cooled, then frozen individually in −35 °C fluidised air. | IQF-701 Fluidised-Bed IQF Tunnel FreezerRF-702 Two-Stage Ammonia Refrigeration Plant |
Air −35 °C · product core ≤ −18 °C at freezer exit |
| 11 | Weigh, bag & metal detectFries are bagged in a chilled room; crisps are packed in nitrogen-flushed bags. | PK-801 Fries Weigher & VFFS BaggerPK-802 Crisps Weigher & N₂ VFFS Line |
Fe 1.5 mm test wand hourly · residual O₂ < 2 % in crisps bags |
| 12 | Cold store & dispatchFrozen pallets go to the −18 °C store and ship in reefer trucks after QC release. | CS-901 Prefab −18 °C Cold StoreQC-902 Quality-Control Lab Kit |
Store ≤ −18 °C logged · batch release by QC |
6 zones arranged for one-way material flow, with every item of equipment placed by tag.
A shared wash-peel-trim front end feeds both lines, so large tubers go to fries and round ones to crisps.
Indirect heating keeps fryer walls cool, extending oil life and cutting burnt-oil off-flavours.
Fluidised-bed freezing at −35 °C gives free-flowing fries that quick-service kitchens can portion.
Holding potatoes at 8–10 °C avoids cold sweetening, keeping fry colour light and acrylamide low.
Peel, trim and slivers go to pig and dairy farmers; used frying oil is sold for biodiesel.
Metal detection on every bag, batch coding and HACCP records support KEBS and FSSC 22000.
The core routines operators follow, from start-up to batch release.
7 sections: open any one to read it, or download the whole document.
Highland Spud Foods Ltd is a potato-processing plant located in Njoro, Nakuru County, at the heart of Kenya's Nakuru–Nyandarua potato belt. It processes about 1.2 tonnes of contract-grown potatoes per hour into par-fried, individually quick frozen (IQF) French fries for supermarkets, quick-service restaurants (QSRs) and regional export, and into seasoned potato crisps for supermarket and convenience retail. The plant runs two shifts on a shared wash-peel-trim intake, with continuous thermal-oil-heated fryers, a −35 °C IQF tunnel and a 300-tonne cold store.
| Metric | Value |
|---|---|
| Frozen Fries Capacity | 400 kg/hour (6.4 t/day) |
| Potato Crisps Capacity | 120 kg/hour (1.9 t/day) |
| Raw Potato Intake | 1.2 t/hour (≈ 4,300 t/year at 80% utilisation) |
| Annual Revenue (Year 1) | KES 365,000,000 (~$2.8M) |
| Initial Investment | KES 240,000,000 (~$1.85M) |
| Operating Break-even | Month 8 |
| Payback Period | ~3.5 years |
| Employees | 68 |
| Contract Farmers | ≈ 500 (about 250 ha) |
| Stage | Process | Purpose | Equipment |
|---|---|---|---|
| 1 | Receiving & Storage | Hold potatoes at 8–10 °C to avoid sugar build-up | 500 t ventilated store + intake hopper |
| 2 | Washing & Destoning | Remove soil and stones | Drum washer with stone trap (1.5 t/h) |
| 3 | Peeling | Remove skin with minimum loss | 9-roller brush/abrasive peeler |
| 4 | Inspection & Trimming | Remove green, rot and eye defects | Roller inspection conveyor (6 stations) |
| 5 | Cutting | Fry strips and crisp slices | Strip cutter (10 × 10 mm) + centrifugal slicer (1.4 mm) |
| 6 | Blanching / Washing | Leach sugars; remove surface starch | Rotary blancher (75–80 °C) + slice washer |
| 7 | Dewatering | Strip surface water | Vibratory dewaterers + air knives |
| 8 | Frying | Par-fry fries; fry crisps to 2% moisture | Two continuous fryers on an 800 kW thermal-oil heater |
| 9 | De-oiling & Seasoning | Drain oil, apply flavour (crisps) | Vibratory de-oiler + tumble drum |
| 10 | IQF Freezing | Freeze fries to −18 °C core | Fluidised-bed tunnel at −35 °C + ammonia plant |
| 11 | Packing | Weigh, bag, metal-detect | Two multihead weigher + VFFS lines (N₂ flush for crisps) |
| 12 | Cold Store & Dispatch | Hold and ship frozen stock | 300 t cold store at −18 °C, reefer trucks |
| Stream | Fries Line | Crisps Line |
|---|---|---|
| Raw potatoes in | ≈ 700 kg | ≈ 500 kg |
| After peeling & trimming | 580 kg | 420 kg |
| Water evaporated in frying | ≈ 150 kg | ≈ 330 kg |
| Oil picked up | ≈ 5% of product | 33–36% of product |
| Finished product | 400 kg frozen fries | 120 kg seasoned crisps |
| Input | Annual Quantity | Unit Cost (KES) | Source |
|---|---|---|---|
| Processing potatoes | ≈ 4,300 t | 36/kg contract price | Contract farmers, Nakuru & Nyandarua |
| Palm olein frying oil | ≈ 265 t | 230/kg | Local refiners (Mombasa, Thika) |
| Crisps seasoning blends | ≈ 26 t | 600/kg | Local and imported flavour houses |
| Fries bags & cartons | ≈ 1,430 t product packed | 18/kg of product | Nairobi flexible packaging converters |
| Metallised crisps film | ≈ 430 t product packed | 90/kg of product | Nairobi flexible packaging converters |
| Biomass briquettes | ≈ 650 t | 12,000/t | Regional briquette makers |
| Electricity | ≈ 1.5 GWh | ≈ 22/kWh | Kenya Power (commercial tariff) |
| Product | Preferred Varieties | Dry Matter | Reducing Sugars | Tuber Shape |
|---|---|---|---|---|
| Frozen fries | Markies, Challenger, Destiny | 20–24% | < 0.25% | Long-oval, > 50 mm |
| Crisps | Lady Rosetta, Dutch Robjyn | 21–25% | < 0.10% | Round, 40–70 mm |
| Certification | Authority | Timeline | Cost (KES) |
|---|---|---|---|
| KEBS Standardization Mark (crisps & frozen fries) | Kenya Bureau of Standards | 3-6 months | 250,000 |
| EIA Licence + Effluent Discharge Licence | NEMA | 3-4 months | 400,000 |
| Food Premises & Public Health Licence | County Public Health Office | 1-2 months | 40,000 |
| Workplace Registration, Pressure Vessel & Refrigeration Inspection | DOSH | 1-2 months | 80,000 |
| Fire Safety Certificate (thermal oil & ammonia) | County Fire Department | 1 month | 50,000 |
| HACCP Certification | Accredited CB | 6-9 months | 300,000 |
| FSSC 22000 (for QSR chains & export) | Accredited CB | 12-18 months | 1,200,000 |
| Parameter | Standard / Benchmark | Our Target | Frequency |
|---|---|---|---|
| Fries fry colour | USDA chart | 000–1 | Every batch |
| Fries core temperature at dispatch | ≤ −18 °C | ≤ −20 °C | Every pallet |
| Crisps moisture | ≤ 3% | ≤ 2% | Hourly |
| Crisps oil content | Declared on label | 33–36% | Every batch |
| Frying oil polar compounds | < 25% (common limit) | < 24% | Every shift |
| Acrylamide, crisps | EU benchmark 750 µg/kg | < 500 µg/kg | Monthly |
| Acrylamide, fries (as prepared) | EU benchmark 500 µg/kg | < 350 µg/kg | Monthly |
| Metal detection | HACCP CCP | Fe 1.5 · non-Fe 2.0 · SS 2.5 mm | Hourly test |
| Residual oxygen in crisps bags | Shelf-life control | < 2% | Every 30 minutes |
| Item | Cost (KES) |
|---|---|
| Process equipment (ex-works): intake, cutting, frying, IQF, refrigeration, packing, cold store | 142,000,000 |
| Freight, duty, installation & commissioning | 22,000,000 |
| Building fit-out: insulated floors, drainage, effluent ponds | 30,000,000 |
| Power: 630 kVA transformer + 500 kVA standby genset | 14,000,000 |
| Reefer truck + forklifts | 10,000,000 |
| Permits, certification & pre-operating costs | 4,000,000 |
| Working capital (2 months potatoes, oil, packaging) | 18,000,000 |
| Total | 240,000,000 (~$1.85M) |
| Item | Annual (KES) |
|---|---|
| Potatoes (≈ 2,400 t) | 84,400,000 |
| Frying oil (≈ 147 t) | 33,900,000 |
| Seasoning | 8,600,000 |
| Packaging | 36,100,000 |
| Electricity & biomass fuel | 32,000,000 |
| Staff salaries (68 employees) | 31,000,000 |
| Cold-chain distribution | 22,000,000 |
| Marketing & supermarket listing fees | 20,000,000 |
| Rent & insurance | 12,000,000 |
| Maintenance, spares & cleaning chemicals | 10,000,000 |
| Administration & certification | 6,000,000 |
| Total Annual OPEX | 296,000,000 (~$2.28M) |
| Item | Year 1 (45%) | Year 2 (65%) | Year 3 (80%) |
|---|---|---|---|
| Frozen fries sold | 805 t @ KES 260/kg | 1,165 t @ KES 265/kg | 1,430 t @ KES 270/kg |
| Crisps sold | 240 t @ KES 650/kg | 350 t @ KES 660/kg | 430 t @ KES 670/kg |
| Revenue (KES) | 365M (~$2.8M) | 540M (~$4.15M) | 674M (~$5.2M) |
| Operating costs (KES) | 296M | 405M | 485M |
| EBITDA (KES) | 69M (~$0.53M) | 135M (~$1.04M) | 189M (~$1.45M) |
| EBITDA margin | 19% | 25% | 28% |
Side-stream income (peel and trim sold as pig and dairy feed, used oil to biodiesel collectors, recovered starch) of about KES 3–5 million a year is not included above.
Kenya grows an estimated 2 million tonnes of potatoes a year, yet most frozen fries served in Kenyan restaurants and sold in supermarkets are imported from Egypt, Europe and South Africa. Rapid growth of quick-service restaurant chains, supermarket freezer space and home air-fryers is lifting demand for frozen fries, while the salty-snacks category keeps growing with urban incomes. Local processing replaces imports with product made from Kenyan potatoes, paid for in shillings and without long shipping lead times.
| Tier | Definition | Value (KES, est.) |
|---|---|---|
| TAM | East African frozen potato products + potato crisps | 30 billion |
| SAM | Kenyan supermarkets, QSRs and hotels in Nairobi, Nakuru, Mombasa and Kisumu | 9 billion |
| SOM (Year 3) | Highland Spud share at about 7.5% of SAM | 674 million |
| Competitor | Positioning | Weakness |
|---|---|---|
| Imported frozen fries (McCain, Lamb Weston, Farm Frites via distributors) | Consistent QSR-grade product | Exchange-rate exposure, 8–12 week shipping, import duty |
| Tropical Heat and other national snack brands | Strong supermarket shelf presence in crisps | Limited frozen-fries offering |
| Imported premium crisps | Premium price tier | High retail price |
| Small informal fryers | Cheap fresh-cut chips and crisps | No cold chain, inconsistent quality, no KEBS mark |
| Channel | % Revenue | Key Accounts |
|---|---|---|
| QSR chains & hotels (frozen fries) | 35% | Regional burger and chicken chains, hotel groups, caterers |
| Supermarkets (fries + crisps) | 40% | Naivas, Quickmart, Carrefour, Chandarana |
| Distributors & convenience retail (crisps) | 15% | Regional distributors, fuel-station shops |
| Export (frozen fries) | 10% | Uganda, Rwanda, Tanzania and Gulf importers |
Highland Spud differentiation: QSR-grade frozen fries at 10–15% below landed import prices with two-week delivery lead times, plus fresh crisps from a named Kenyan potato origin.
| Month | Milestone | Owner | Dependency |
|---|---|---|---|
| M1-M2 | Site lease, NEMA EIA submission, financing close | MD | Bank / DFI term sheet |
| M2-M3 | Contract-farmer recruitment and certified seed distribution | Agronomy Lead | Seed availability for the long rains |
| M3 | Equipment order placed (16–20 week lead time) | MD | Deposit paid |
| M4-M7 | Building fit-out, cold store, effluent ponds, power upgrade | Project Engineer | Kenya Power transformer approval |
| M8 | Equipment arrival, installation and ammonia plant charging | Supplier + Project Engineer | Customs clearance |
| M9 | Commissioning, trial runs, KEBS product sampling | Plant Manager | First contract harvest |
| M10 | Commercial launch: supermarket listings and first QSR trials | Sales Lead | KEBS mark issued |
| M16-M22 | HACCP then FSSC 22000 certification; first export orders | QA Manager | Six months of HACCP records |
| Risk | Impact | Mitigation |
|---|---|---|
| Potato supply gaps between seasons | High | Staggered planting across three counties, 500 t store, irrigation support for key growers |
| High sugars from wrong varieties or cold storage | High | Contract only processing varieties, store at 8–10 °C, test every load before intake |
| Frying-oil price swings | Medium | Quarterly supply contracts, oil-life management, price review clauses with QSR buyers |
| Power outages damaging frozen stock | High | 500 kVA standby genset on automatic transfer, cold-store temperature alarms |
| Ammonia leak or thermal-oil fire | Medium | Low-charge ammonia pack in a separate plant room, leak detection, DOSH-trained operators, fire suppression |
| QSR buyers slow to switch from imports | Medium | Free kitchen trials, matching cut specifications, landed-cost comparisons |
Equipment specifications, process flow diagrams, recipes and the business plan, bundled as one download.
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