{
 "id": "est_solar_payback_assumptions",
 "name": "Export rate the Energy Saving Trust's payback figures assume",
 "category": "costs",
 "value_num": 12,
 "display": "About 12p/kWh",
 "unit": "pence per kWh exported, the Smart Export Guarantee rate the Energy Saving Trust's payback modelling assumes",
 "period_start": "2026-08-27",
 "period_end": null,
 "period_kind": "page_date",
 "deadline": null,
 "source_url": "https://energysavingtrust.org.uk/advice/solar-panels/",
 "source_org": "Energy Saving Trust",
 "checked_at": "2026-09-08",
 "recheck_by": "2026-12-08",
 "history": [],
 "public_note": "The export rate the Energy Saving Trust's payback figures are built on, in its own words \"about 12p\". Several suppliers pay that to their own electricity customers, and none pays it to everyone, which is why our sum runs at two rates.",
 "next": null,
 "url": "https://hearthsum.co.uk/api/est_solar_payback_assumptions.json"
}