{
  "title": "South African home electricity tariffs 2026/27",
  "checked": "2026-10-27",
  "vat": 0.15,
  "daysPerMonth": 30.4167,
  "nextDecision": "NERSA is due to decide Eskom's 2027/28 retail tariffs around 26 November 2026. Eskom's implementation of the revenue decision of 7 February 2026 works out to an expected average increase of 8.83% for Eskom direct customers from 1 April 2027. Municipal tariffs for 2027/28 are set by each council and approved by NERSA ahead of 1 July 2027.",
  "pv": {
    "source": "PVGIS 5.3 (European Commission Joint Research Centre), SARAH3 radiation data, 1 kW of crystalline silicon panels at 30 degrees facing north, 14% system losses, run on 27 October 2026",
    "url": "https://re.jrc.ec.europa.eu/pvg_tools/en/",
    "yields": {
      "Pretoria": 1736,
      "Johannesburg": 1737,
      "Cape Town": 1728,
      "Durban": 1481
    }
  },
  "tariffs": [
    {
      "id": "tshwane",
      "metro": "City of Tshwane",
      "name": "Domestic (prepaid and conventional)",
      "city": "Pretoria",
      "applies": "Homes supplied by the City of Tshwane, prepaid or conventional. Midstream and Eskom-supplied areas use other tariffs.",
      "effective": "2026-07-01",
      "increase": "8.8%",
      "blocks": [
        [
          100,
          324.12
        ],
        [
          400,
          379.32
        ],
        [
          650,
          413.26
        ],
        [
          null,
          445.51
        ]
      ],
      "fixedMonth": 0,
      "solar": {
        "modelled": true,
        "fixedMonth": 324,
        "exportC": 94.13,
        "note": "A registered grid-connected solar home pays a fixed R324.00 a month (excl VAT) per metering point and is credited 94.13c a unit (excl VAT) for power fed back. A single-phase two-way meter costs R2,820.31 (excl VAT)."
      },
      "sources": [
        [
          "NERSA, reasons for decision on City of Tshwane tariffs 2026/27",
          "https://www.nersa.org.za/files/files/2026/07/CoTMunicipality-ReasonsforDecisionontariffFY2026-27.pdf"
        ],
        [
          "City of Tshwane, 2026/27 tariff increases",
          "https://www.tshwane.gov.za/?p=102188"
        ]
      ]
    },
    {
      "id": "jhb-prepaid",
      "metro": "City of Johannesburg (City Power)",
      "name": "Residential Prepaid High",
      "city": "Johannesburg",
      "applies": "City Power prepaid homes that are not on the indigent Prepaid Low tariff. Some parts of Johannesburg are supplied by Eskom instead and use Eskom tariffs.",
      "effective": "2026-07-01",
      "increase": "9.01% on energy rates",
      "blocks": [
        [
          350,
          290.46
        ],
        [
          500,
          333.18
        ],
        [
          null,
          379.64
        ]
      ],
      "fixedMonth": 210,
      "fixedNote": "Service charge R70.00 plus capacity charge R140.00 a month",
      "surchargeAbove500": 6,
      "solar": {
        "modelled": "export",
        "exportC": 124.6,
        "note": "City Power's tariff book says residential customers with embedded generation must move to a time-of-use conventional tariff, and prepaid customers must migrate. That bill is not modelled here; the calculator only adds the export credit of 124.60c a unit (excl VAT) to your current tariff, so treat the Joburg result as a rough guide."
      },
      "sources": [
        [
          "City of Johannesburg, Council Item 76: electricity tariffs 2026/27",
          "https://propertywheel.co.za/wp-content/uploads/ITEM-76-.pdf"
        ],
        [
          "City of Johannesburg, electricity tariffs 2026/27 explainer",
          "https://joburg.org.za/documents_/Documents/Approved-Tarrifs-for-2026-27/Electricity-Tariffs-2026-2027-final.pdf"
        ],
        [
          "NERSA, reasons for decision on City Power tariffs 2026/27",
          "https://www.nersa.org.za/files/files/2026/08/CityPowerReasonsforDecisionontariffapplicationprocessforFY2026.pdf"
        ]
      ]
    },
    {
      "id": "jhb-conv60",
      "metro": "City of Johannesburg (City Power)",
      "name": "Residential Conventional, single phase 60 A",
      "city": "Johannesburg",
      "applies": "City Power homes billed monthly on a 60 A single-phase supply (two-part tariff).",
      "effective": "2026-07-01",
      "increase": "9.01% on energy rates, fixed charges unchanged",
      "blocks": [
        [
          500,
          288.27
        ],
        [
          1000,
          330.82
        ],
        [
          2000,
          355.23
        ],
        [
          3000,
          374.79
        ],
        [
          null,
          393.19
        ]
      ],
      "fixedMonth": 930.37,
      "fixedNote": "Service charge R235.79 plus network charge R694.58 a month",
      "surchargeAbove500": 6,
      "solar": {
        "modelled": "export",
        "exportC": 124.6,
        "note": "City Power requires residential embedded generators to be on a time-of-use conventional tariff. The calculator keeps this two-part tariff and adds the export credit of 124.60c a unit (excl VAT), so treat it as a rough guide."
      },
      "sources": [
        [
          "City of Johannesburg, Council Item 76: electricity tariffs 2026/27",
          "https://propertywheel.co.za/wp-content/uploads/ITEM-76-.pdf"
        ],
        [
          "NERSA, reasons for decision on City Power tariffs 2026/27",
          "https://www.nersa.org.za/files/files/2026/08/CityPowerReasonsforDecisionontariffapplicationprocessforFY2026.pdf"
        ]
      ]
    },
    {
      "id": "cpt-homeuser",
      "metro": "City of Cape Town",
      "name": "Home User",
      "city": "Cape Town",
      "applies": "Credit-meter homes, prepaid homes valued at R1 million or more, and every registered solar home. Eskom-supplied parts of the metro use Eskom tariffs.",
      "effective": "2026-07-01",
      "increase": "about 6% on a typical bill (City figures)",
      "blocks": [
        [
          600,
          309.52
        ],
        [
          null,
          407.88
        ]
      ],
      "fixedMonth": 368.96,
      "fixedNote": "Service and wires charge",
      "solar": {
        "modelled": true,
        "fixedMonth": 368.96,
        "extraFixedMonth": 5.91,
        "exportC": 132.98,
        "note": "Registered solar homes must be on Home User (or the opt-in residential time-of-use tariff) and pay an AMI meter administration fee of R5.91 a month (excl VAT). Exports earn the feed-in tariff of 107.98c plus a 25.00c incentive, 132.98c a unit (excl VAT). Export size is capped by your connection, for example 3.45 kVA on a 60 A single-phase supply."
      },
      "sources": [
        [
          "City of Cape Town, electricity consumptive tariffs 2026/27 (Budget Annexure 6)",
          "https://www.capetown.gov.za/media/eq4dtfju/electricity-consumptive-tariffs.pdf"
        ],
        [
          "City of Cape Town, generation tariffs 2026/27 (Budget Annexure 6)",
          "https://www.capetown.gov.za/media/jm1duvwu/budget-2026-27_ann06-25-electricitygenerationanddistribution-consumptionandgeneration.pdf"
        ],
        [
          "City of Cape Town, understanding residential electricity tariffs 2026/27",
          "https://www.capetown.gov.za/media/r5cn3hlu/understanding-residential-electricity-tariffs.pdf"
        ]
      ]
    },
    {
      "id": "cpt-domestic",
      "metro": "City of Cape Town",
      "name": "Domestic (prepaid)",
      "city": "Cape Town",
      "applies": "Prepaid homes valued above R500,000 and below R1 million.",
      "effective": "2026-07-01",
      "increase": "about 6% on energy rates",
      "blocks": [
        [
          600,
          359.82
        ],
        [
          null,
          429.48
        ]
      ],
      "fixedDay": 2.14,
      "fixedNote": "Service and wires charge of R2.14 a day on prepaid",
      "solar": {
        "modelled": true,
        "switchTo": "cpt-homeuser",
        "extraFixedMonth": 5.91,
        "exportC": 132.98,
        "note": "A registered solar home moves to the Home User tariff, with its R368.96 monthly charge, plus the R5.91 AMI fee. The calculator applies that switch."
      },
      "sources": [
        [
          "City of Cape Town, electricity consumptive tariffs 2026/27 (Budget Annexure 6)",
          "https://www.capetown.gov.za/media/eq4dtfju/electricity-consumptive-tariffs.pdf"
        ],
        [
          "City of Cape Town, understanding residential electricity tariffs 2026/27",
          "https://www.capetown.gov.za/media/r5cn3hlu/understanding-residential-electricity-tariffs.pdf"
        ]
      ]
    },
    {
      "id": "ethekwini",
      "metro": "eThekwini (Durban)",
      "name": "Residential Scales 3, 4, 8, 9 and 13",
      "city": "Durban",
      "applies": "Most eThekwini homes, prepaid or credit. The indigent Scale 12 and the residential time-of-use tariff are different.",
      "effective": "2026-07-01",
      "increase": "9.0%",
      "blocks": [
        [
          null,
          357.47
        ]
      ],
      "fixedMonth": 0,
      "solar": {
        "modelled": false,
        "note": "eThekwini moves registered solar homes to residential net billing. NERSA's decision lists a basic charge of R76.83 per kVA a month and an energy rate of 160.52c a unit (excl VAT) for that tariff. The bill depends on your supply size in kVA, so it is not modelled here: ask the municipality for the figure for your connection."
      },
      "sources": [
        [
          "NERSA, reasons for decision on eThekwini tariffs 2026/27",
          "https://www.nersa.org.za/files/files/2026/07/EthekwiniRFD2026-27.pdf"
        ],
        [
          "eThekwini Electricity, small-scale embedded generation",
          "https://ee-services.durban.gov.za/onlineservices/pages/eg/about.html"
        ]
      ]
    },
    {
      "id": "eskom-hp4",
      "metro": "Eskom direct",
      "name": "Homepower 4 (single phase, up to 16 kVA)",
      "city": "Pretoria",
      "applies": "Homes billed directly by Eskom on Homepower 4. The energy rate here combines the energy, ancillary and network demand charges; the daily fixed amount combines the service and administration, network capacity and generation capacity charges.",
      "effective": "2026-04-01",
      "increase": "8.76%",
      "blocks": [
        [
          null,
          309.18
        ]
      ],
      "fixedDay": 15.53,
      "fixedNote": "R9.08 service and administration, R5.74 network capacity and R0.71 generation capacity a day",
      "solar": {
        "modelled": false,
        "note": "Eskom says a time-of-use tariff is mandatory for grid-tied generation, so a registered solar home moves to Homeflex. That bill is not modelled here."
      },
      "sources": [
        [
          "Eskom, Tariffs and Charges Booklet 2026/27",
          "https://www.eskom.co.za/distribution/wp-content/uploads/2026/07/Eskom-Tariff-booklet_Final.pdf"
        ],
        [
          "Eskom, 2026/2027 tariff increase",
          "https://www.eskom.co.za/distribution/2026-2027-tariff-increase/"
        ]
      ]
    },
    {
      "id": "eskom-hl60",
      "metro": "Eskom direct",
      "name": "Homelight 60A",
      "city": "Pretoria",
      "applies": "Eskom direct homes on a 60 A prepaid supply (or existing 80 A supplies) on the Homelight tariff.",
      "effective": "2026-04-01",
      "increase": "8.76%",
      "blocks": [
        [
          null,
          298.79
        ]
      ],
      "fixedMonth": 0,
      "solar": {
        "modelled": false,
        "note": "Eskom requires a time-of-use tariff for grid-tied generation. Not modelled here."
      },
      "sources": [
        [
          "Eskom, Tariffs and Charges Booklet 2026/27",
          "https://www.eskom.co.za/distribution/wp-content/uploads/2026/07/Eskom-Tariff-booklet_Final.pdf"
        ]
      ]
    },
    {
      "id": "eskom-hl20",
      "metro": "Eskom direct",
      "name": "Homelight 20A",
      "city": "Pretoria",
      "applies": "Eskom direct homes on a 20 A supply, typically low users.",
      "effective": "2026-04-01",
      "increase": "8.76%",
      "blocks": [
        [
          null,
          235.04
        ]
      ],
      "fixedMonth": 0,
      "solar": {
        "modelled": false,
        "note": "A 20 A supply limits appliances to about 4,400 W at once. Eskom requires a time-of-use tariff for grid-tied generation. Not modelled here."
      },
      "sources": [
        [
          "Eskom, Tariffs and Charges Booklet 2026/27",
          "https://www.eskom.co.za/distribution/wp-content/uploads/2026/07/Eskom-Tariff-booklet_Final.pdf"
        ]
      ]
    }
  ]
}