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Tariff flags — current flag & bill impact

Data: July 24, 2026 · ANEEL Open Data — tariff-flag activation

In Brazil, the bandeira tarifária ("tariff flag") is ANEEL's monthly signal that adds a regulated surcharge to electricity consumption when generation conditions are less favorable. See the approved current flag, recent history, and its estimated monthly bill impact.

Current · Jul/2026

Yellow (Amarela)

Surcharge

R$ 1.885/ 100 kWh

Equivalent

R$ 18.85/ MWh

Last 12 months

Billing monthTariff flagR$/100 kWh
Jul/2026Yellow (Amarela)1.885
Jun/2026Yellow (Amarela)1.885
May/2026Yellow (Amarela)1.885
Apr/2026Green (Verde)0.000
Mar/2026Green (Verde)0.000
Feb/2026Green (Verde)0.000
Jan/2026Green (Verde)0.000
Dec/2025Yellow (Amarela)1.885
Nov/2025Red tier 1 (Vermelha P1)4.463
Oct/2025Red tier 1 (Vermelha P1)4.463
Sep/2025Red tier 2 (Vermelha P2)7.877
Aug/2025Red tier 2 (Vermelha P2)7.877

Source: ANEEL Dados Abertos — Bandeira Tarifária Acionamento. Snapshot generated on July 24, 2026; latest billing month in the file: Jul/2026. Official values are in R$/MWh; R$/100 kWh = (R$/MWh) ÷ 10. Refresh with npm run bandeira.

Tariff flag on your bill

Estimate the current tariff flag's monthly surcharge and compare it with the other official tiers. The URL stores the consumption value for sharing.

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