Japan electricity bill (TEPCO Juryo Dento B)

Runs the same calculator as https://kwhmate.com/jp/electricity-bill/. Reference: 出典：東京電力エナジーパートナー「従量電灯B・C」・燃料費調整単価等一覧、経済産業省「2026年度の賦課金単価」. Arrays: comma-separated. Also accepts POST with a JSON body.

get/api/v1/jp-electricity

Request

  • Base URL: https://kwhmate.com
  • URL: https://kwhmate.com/api/v1/jp-electricity
  • Auth: none declared

Query parameters

kwhnumber required
amperes10 | 15 | 20 | 30 | 40 | 50 | 60
fuel_adjustmentnumber

Fuel cost adjustment, yen per kWh (default: this month)

Response

Result with source and page URL

okboolean
calculatorstring
titlestring
currencystring nullable
inputobject
resultobject
estimateboolean
referencestring

Reference date and official source

pagestring uri
disclaimerstring

Changes

No recorded changes to this operation across all 1 revision of this API.