Cheapest electricity plans in Mackay, 2026.

The cheapest flat-rate residential electricity plan in Mackay is Lumo Energy (Lumo Shine Plus), at about $1,759 a year for a household using 410 kWh a month on the Ergon Energy network, roughly $59 less than the Mackay area average of $1,818. Figures come from the Australian Energy Regulator's Energy Made Easy registry.

A Mackay household on a mid-range plan (around $1,836 a year) could move to the cheapest available plan at $1,759 a year. Your actual saving depends on how much power you use, so upload your bill for a figure based on your real usage.

To compare electricity prices in Mackay, look at each plan's usage rate (¢/kWh) and daily supply charge across every retailer on the Ergon Energy network, then work out the annual cost for your household. EnergySense does this automatically across 4 plans and currently ranks Lumo Energy (Lumo Shine Plus) cheapest at $1,759 a year, or upload your bill to compare on your real usage.

Mackay is served by the Ergon Energy distribution network. EnergySense compares 4 market electricity plans from 4 retailers available on it.

Daily. Rates are refreshed each day from the government's Energy Made Easy registry, last updated 8 Sept 2026, so the comparison reflects current pricing.

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