System status

Live, sourced, monitored.

The real public data behind the app — refreshed through the day, watched continuously, and labelled honestly.

Partial — a feed is recovering · updated about 5 hours ago
Per-region freshness
Chubu
updated about 5 hours ago
Chugoku
updated about 5 hours ago
Hokkaido
updated about 5 hours ago
Hokuriku
updated about 5 hours ago
Kansai
updated about 5 hours ago
Kyushu
updated about 5 hours ago
≈ carbon estimated
Okinawa
updated about 5 hours ago
Shikoku
updated about 5 hours ago
Tohoku
updated about 5 hours ago
Tokyo
updated about 5 hours ago
10
grid regions
30-min
resolution
Carbon + price
per slot
36
feeds monitored
942
days of history
Sources, continuously monitored
JEPX Day-ahead spot prices
Regional TSOs Generation mix → carbon intensity (9 areas)
e-Stat Household energy benchmarks (CC BY 4.0)
Spot prices (JEPX) 1/1
Carbon · generation mix 9/10
recovering: Tokyo carbon (eria_jukyu)
Carbon forecasts 10/10
Fuel-cost adjustments (燃調) 12/13
recovering: TEPCO fuel adjustment (燃料費調整単価)
Household benchmarks 1/1
Supporting feeds 1/1

36 data feeds watched every day and 2 recovering — a broken feed is auto-detected and self-heals; carbon is labelled ≈ where a region publishes no live fuel split (Kyushu).

Recent feed events
05 Aug 2026 · Tokyo carbon (eria_jukyu) interrupted
02 Aug 2026 · Chubu carbon (eria_jukyu) recovered
01 Aug 2026 · Chubu carbon (eria_jukyu) degraded
23 Jul 2026 · Osaka Gas fuel adjustment (燃料費調整単価) recovered
22 Jul 2026 · Osaka Gas fuel adjustment (燃料費調整単価) degraded
Tariff library
26
plans served
15
retailers
1
燃調 tables current

A plan is served only after its rates are verified against the provider's published price table (料金表) — last verification 16 Jun 2026. Fuel-cost adjustments (燃料費調整) are refreshed monthly — current for August 2026; renewable surcharge set for FY2026.

Data: JEPX, the regional transmission operators, and e-Stat (政府統計, CC BY 4.0). This is per-region public data — never per-user; your own usage stays on your device.