Power Calculator

Per-device power draw · daily kWh · electricity cost · circuit load analysis

⚠ DATA NEEDED: Enter your electricity rate below. Also confirm if you have a dedicated 20A circuit for the grow room or sharing with other loads.

ELECTRICITY RATE

$ / kWh

Texas avg ~$0.12–0.14/kWh · check your bill for actual rate

Peak draw

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watts all on simultaneously

Avg daily kWh

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based on hours configured

Monthly cost

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at entered rate

Annual cost

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est.

Largest load

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single device

Circuit Load Analysis ⚠ confirm your circuit layout

A 15A circuit at 120V = 1800W max · A 20A circuit = 2400W max · Stay under 80% for safety (1440W on 15A, 1920W on 20A)