Sugar Factory, Cane Outgrower & Molasses Co-Generation Ethanol ERP: Weighbridge Cane Sucrose (POL) Pricing, Harvester Fleet Dispatch, and Crushing Mill Extraction Yield

Modern sugar milling complexes are no longer single-product factories—they are integrated bio-refineries producing table and industrial sugar, potable and power ethanol from molasses, CO2 gas, and bagasse-fired megawatts exported to the national grid. Yet the entire complex lives or dies by the cut-to-crush turnaround time between field harvesting and mill tandem crushing, where every hour of yard delay degrades cane sucrose (POL %) into unrecoverable invert sugars.

At devManue, we build mission-critical Sugar Factory, Cane Outgrower & Ethanol Co-Generation ERP platforms that orchestrate satellite/GIS cane-maturity zoning, automated harvesting permits, tractor-trailer weighbridge RFID queuing, core-sampler sucrose (Brix/POL) quality pricing, outgrower input check-off deductions, and distillery excise-tank telemetry.

1. Eliminating the Three Biggest Losses in Sugar Milling & Cane Outgrower Operations

• Over-Quota Harvesting, Yard Congestion & Cut-to-Crush Sucrose Inversion: When field officers issue uncoordinated paper cutting permits, 300 cane tractors queue at the factory gate for 36 hours while the mill tandem is crushing at 2,500 TCD. Stale cane loses weight and sucrose, hurting both farmer payouts and factory sugar recovery (Rendement %).
• Weighbridge Tare Manipulation & Ghost Cane Deliveries: Without unmanned RFID tractor-trailer recognition, axle-load verification, and overhead camera snapshots, weighbridge clerks inflate gross weights or reuse trailer tare weights to siphon millions from the outgrower payroll.
• Unrecovered Seed-Cane, Fertilizer & Tractor-Plowing Advances: Outgrowers who received company land-preparation, seed cane, and fertilizer loans on credit divert mature cane to rival mills or register deliveries under a relative's grower code to evade check-off deductions.

2. Sucrose (POL %)-Weighted Cane Pricing & Outgrower Check-Off Settlement Engine

As East African sugar pricing transitions from flat weight-based payment to sucrose-content (POL % and fiber/trash) quality formulas alongside the Sugar Development Levy framework, our ERP computes transparent, auditable grower statements:

from decimal import Decimal, ROUND_HALF_UP

class SugarOutgrowerSucroseSettlementEngine:
    """
    Calculates net payable cane tonnage, sucrose (POL %) quality bonus/discount,
    and automatic recovery of seed-cane, fertilizer, and transport advances.
    """
    BASE_BENCHMARK_POL_PCT = Decimal("11.50")

    @classmethod
    def calculate_grower_cane_statement(
        cls,
        gross_weight_mt: Decimal,
        tare_weight_mt: Decimal,
        extraneous_trash_pct: Decimal,
        sampled_pol_pct: Decimal,
        base_cane_price_per_mt_kes: Decimal,
        transport_zone_rate_per_mt_kes: Decimal,
        outstanding_input_loan_kes: Decimal,
    ) -> dict:
        raw_net_mt = max(Decimal("0"), gross_weight_mt - tare_weight_mt)
        # Deduct trash above 3% tolerance
        excess_trash_pct = max(Decimal("0"), extraneous_trash_pct - Decimal("3.00"))
        clean_cane_mt = (raw_net_mt * (Decimal("100.0") - excess_trash_pct) / Decimal("100.0")).quantize(
            Decimal("0.001"), rounding=ROUND_HALF_UP
        )

        # Adjust cane price proportionally by sampled POL % vs benchmark POL %
        pol_factor = sampled_pol_pct / cls.BASE_BENCHMARK_POL_PCT
        effective_price_per_mt = (base_cane_price_per_mt_kes * pol_factor).quantize(
            Decimal("0.01"), rounding=ROUND_HALF_UP
        )
        gross_cane_value_kes = (clean_cane_mt * effective_price_per_mt).quantize(
            Decimal("0.01"), rounding=ROUND_HALF_UP
        )
        transport_deduction_kes = (raw_net_mt * transport_zone_rate_per_mt_kes).quantize(
            Decimal("0.01"), rounding=ROUND_HALF_UP
        )
        net_before_loans = max(Decimal("0"), gross_cane_value_kes - transport_deduction_kes)
        loan_recovered_kes = min(outstanding_input_loan_kes, (net_before_loans * Decimal("0.60")).quantize(Decimal("0.01")))
        net_payout_kes = net_before_loans - loan_recovered_kes

        return {
            "clean_payable_cane_mt": clean_cane_mt,
            "effective_pol_price_per_mt_kes": effective_price_per_mt,
            "gross_cane_value_kes": gross_cane_value_kes,
            "transport_deduction_kes": transport_deduction_kes,
            "input_loan_recovered_kes": loan_recovered_kes,
            "net_farmer_payout_kes": net_payout_kes,
        }

3. Boiling-House Sugar Recovery, Molasses Distillery & Bagasse Power Billing

Inside the factory, the platform tracks Hourly Crushing Rate (TCH), mixed-juice Pol balance, filter-cake and final-molasses losses, 50kg bagged sugar sewing-line counters, and KRA excise flow-meters on neutral spirit / ethanol distillation columns.