{
  "url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VIII/division-2",
  "json_url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VIII/division-2.json",
  "legislation": "eur/2013/812",
  "legislation_title": "Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2013-812",
  "path": "annex/VIII/division/2",
  "kind": "division",
  "number": "2",
  "heading": "Technical parameters of water heaters",
  "text": "The following parameters shall be calculated for water heaters under average climate conditions:\n(a) the water heating energy efficiency ηwh in %, rounded to one decimal place;\n(b) the annual electricity consumption AEC in kWh in terms of final energy, rounded to the nearest integer;\nin addition, for water heaters using fuels under average climate conditions:\n(c) the annual fuel consumption AFC in kWh in terms of GCV, rounded to the nearest integer;\nin addition, for solar water heaters under average climate conditions:\n(d) the heat generator water heating energy efficiency ηwh,nonsol in %, rounded to one decimal place;\n(e) the annual auxiliary electricity consumption Qaux in kWh in terms of final energy, rounded to one decimal place;\nin addition, for solar water heaters and heat pump water heaters under colder and warmer climate conditions:\n(f) the parameters set out in points (a) to (c);\nin addition for solar water heaters under average, colder and warmer climate conditions:\n(g) the annual non-solar heat contribution Qnonsol in kWh in terms of primary energy for electricity and/or in kWh in terms of GCV for fuels, rounded to one decimal place.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2013/812/annex/VIII/division/2",
    "retrieved_at": "2026-11-01T14:48:27.204975+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}