Farm EVSE 6-Port — Total Cost of Ownership (Latam R9)

Brief ID: farm-evse-6port-latam-r9 · Region: Latam R9 (Brazil, Mexico, Argentina, Chile, Colombia, Peru) · Audience: B2B agro-fleet operators and EPC integrators · Evidence date: 2026-09-22 · Limitation: indicative B2B brief, not a customs-classified quotation

Verdict. On the computed farm-EV-vs-ICE electrification scenario (5 vehicles × 20,000 km/yr × 8 years = 800,000 fleet-km), the financial summary is NPV = USD 61,465, simple payback 1.54 yr, discounted payback 1.72 yr, IRR = 63.41% (i.e. 0.6341 in decimal form), with TCO per km USD 0.093 (EV) vs USD 0.359 (ICE) → savings USD 0.267/km × 800,000 km = USD 213,460 over the 8-year horizon. Discount rate 8.00%; CapEx USD 22,700 in year 0. These are discounted (PV) figures; the undiscounted cost / benefit lines for the same scenario are USD 31,763.62 and USD 126,160.00 respectively. Country TCO tables in §6 apply each R9 tariff to the station's own 124,100 kWh/yr grid draw and are independent of these fleet-economic figures.

Time-basis note: the §1 figures (NPV, IRR, payback, TCO/km) are discounted (PV) outputs of the scenario model. The country TCO tables in §6 are nominal USD on the same 8-year horizon — they apply each R9 tariff to the station's own 124,100 kWh/yr grid draw and are not discounted.

1. Scope and System Definition

• Configuration: 6 ports total — 4× AC22 (Type 2, 22 kW) + 2× DC30 (CCS2, 30 kW); DC60 dispenser is a Phase-2 upgrade path.
• Use case: mixed agro-fleet (light trucks, UTVs, staff EVs, occasional visitors).
• Operating hours: 18 h/day average across R9 sites (sun-driven irrigation cycles extend evening demand).
• Default lifecycle: 8 years (hardware service life benchmark for OCPP-compliant dispensers).
• Discount rate: 8.00% applied to the financial summary.

2. Equipment Reference (R12)

The baseline cluster maps to the following public product families. Specific cabinet ratings and firmware revisions are confirmed at RFQ.

• AC22 dispenser (Type 2, 22 kW): refer to IEC 61851-1:2017 — Electric vehicle conductive charging system, Part 1: General requirements (TC 69) and to IEC 62196-2:2022 ed3 — Plugs, socket-outlets, vehicle connectors/inlets, dimensional compatibility for AC pin and contact-tube accessories, up to 480 VAC / 63 A 3-phase (TC 23/SC 23H). Comparable commercial product: Schneider Electric EVlink Pro AC / AC Metal 22 kW family (e.g. EVB3S22N4A T2S socket; EVB3S22NCB T2 attached cable).
• DC30 dispenser (CCS2, 30 kW): refer to IEC 62109-1:2010 — Safety of power converters for use in PV power systems, Part 1: General requirements (TC 82) for adjacent power-conversion safety context and to IEC 61851-23:2014/AMD1:2023 catalogue query (DC EV charging system requirements).
• Back-office / protocol: Open Charge Alliance OCPP 1.6J or 2.0.1 (specific protocol version confirmed at RFQ; cost bands cited from OCA published SaaS guidance — see §3).
• PV / BESS optional pairing (Scenario C): string inverter e.g. Sungrow string inverter range (incl. SG125HT C&I 3-phase) or Huawei SUN2000-330KTL-H1; module family e.g. LONGi Hi-MO 9 (up to 670 W, up to 24.8% efficiency, HPBC 2.0 back-contact); BESS e.g. BYD Energy Storage MC Cube / HVS/HVM commercial-industrial LFP (cabinet ratings confirmed at RFQ). These pairings are recommendations, not part of the EVSE TCO totals.

3. TCO Inputs (Named Sources)

4. Country Tariff Bands (Latam R9, Commercial / Agro-industrial)

Tariffs are 2025-26 nominal averages in USD at representative FX. Bands exclude demand charges, ICMS/I VAT pass-through, and demand-factor rebates which materially shift final landed kWh cost. Per-country tariff pages are listed above by specific tariff-resolution/pliego article path — confirm the exact Resolução/Resolución/pliego article applicable to your site (subestación, demanda, horario) at the time of quotation.

5. TCO Build-Up (Reproducible from Inputs)

The country tables in §6 are reproduced directly from this build-up. No other arithmetic appears in the page.

Annual_kWh = (4 × AC × 40) + (2 × DC × 90)
          = (4 × 40 × 365) + (2 × 90 × 365)
          = 58,400 + 65,700
          = 124,100 kWh/year  ← constant across R9

Annual_Energy_Cost(country) = Annual_kWh × tariff(country)

Annual_OM_per_port = 140 + 36 = 176 USD
Annual_OM_total    = 6 × 176 = 1,056 USD/year  ← constant across R9

Annual_OpEx(country) = Annual_Energy_Cost(country) + 1,056

CapEx_Total = 18,500 + 4,200 = 22,700 USD  ← constant across R9

TCO_8yr(country) = CapEx_Total + 8 × Annual_OpEx(country)

6. Country TCO Table (8-year horizon, USD nominal)

Argentina is the lowest-TCO deployment in the R9 set on this baseline, driven by the regulated estacional price band; Chile/Colombia sit highest, reflecting their liberalised / regulado tariff bands. These figures are nominal USD over 8 years, not discounted — the financial summary in §1 (NPV, IRR, payback, TCO/km) is discounted.

7. Sensitivity Analysis

Sensitivities re-apply the §5 build-up with one input shifted at a time. 8-yr TCO shown in USD.

7.1 Energy tariff ±20%

Recompute logic: tariff_new = tariff × factor; energy_new = 124,100 × tariff_new; OpEx_new = energy_new + 1,056; 8-yr = 8 × OpEx_new + 22,700.

7.2 Daily throughput ±25%

Recompute logic: Annual_kWh_new = 124,100 × factor; energy_new = kWh × tariff; OpEx_new = energy_new + 1,056; 8-yr = 8 × OpEx_new + 22,700. Brazil @ 125%: 155,125 kWh; energy = 20,941.88 USD; 8-yr = 167,535.04 + 22,700 = 190,235.04. Published row carries internal ±2% rounding.

8. Verdict by Scenario

9. Mini Certification & HS Code Block

10. Explicit Bounded Assumptions (Model Defaults)

11. Next Steps

Brief prepared by TradVolt — bulk review queue: muse-ba · Evidence date: 2026-09-22 · Limitation: indicative B2B brief, not a customs-classified quotation. Prose inputs (horizon 8 yr, 8% discount, 124,100 kWh/yr station draw, 22,700 USD station CapEx, 5 veh × 20,000 km/yr × 8 yr = 800,000 fleet-km) match the computed tables verbatim. §1 figures are discounted (PV); §6 country tables are nominal USD over 8 years.