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1st Energy 1st Emerald - Time of Use
1st Energy's 1st Emerald - Time of Use on the Ausgrid electricity network (New South Wales) costs an estimated $97 a month for a household using 4,000 kWh a year, 5th cheapest of 292 published plans on the network at that usage (median $145). Time-of-use rates: peak 17.40c, off-peak 17.40c per kWh, 128.20c a day supply. At the regulator's 3,900 kWh benchmark it comes to $1,146 a year against the DMO 2026-27 reference price of $1,899, $753 below it. Read from the retailer's rates as published to the Australian Energy Regulator on 8 Nov 2026 (retailer's record last updated 26 Oct 2026). GST as published; conditional discounts, controlled load and feed-in excluded from the estimate.
In one line
1st Energy's 1st Emerald - Time of Use costs an estimated $97 a month, $1,164 a year, for a typical household using 4,000 kWh a year on the Ausgrid network (New South Wales), 5th cheapest of 292 published plans, priced at peak 17.40c/kWh 3pm to 8.59pm every day, off-peak 17.40c/kWh 9pm to 2.59pm every day plus 128.20c a day with solar feed-in 1.00c/kWh and a 0.04% guaranteed discount, as read from the regulator's listings on 8 Nov 2026. The cheapest is Tango Energy's Everyday Easy at $86 a month. See Tango Energy's plan.
Cheapest on Ausgrid on 8 Nov 2026
The lowest published estimates at 4,000 kWh a year, one retailer each, as read from the regulator's listings on 8 Nov 2026. Ranked on estimated cost alone; nothing is promoted.
Cheapest · our recommendation4,000 kWh a year on Ausgrid · price read 2026-11-08$86/mo$1,029/yr- Alternative · 2nd cheapest4,000 kWh a year on Ausgrid · price read 2026-11-08$97/mo$1,164/yr
$100/mo$1,201/yr
What it costs
Supply charge plus usage at each annual figure, from the published rates. Your retailer's quote is the price you pay.
The rate card
As published to the regulator; cents including GST where the retailer publishes it that way.
- Supply charge
- 128.20c a day
- peak usage
- 17.40c per kWh3pm to 8.59pm every day · 33% of use in the estimate
- off-peak usage
- 17.40c per kWh9pm to 2.59pm every day · 67% of use in the estimate
- Controlled load
- none published
- Solar feed-in
- 1.00c per kWh
- Discounts
- 0.04% guaranteed
- Who can take this plan, as the retailer states it
- This offer is available for customers currently taking supply on a corresponding time of use network tariff. For further details on the information presented in this fact sheet, or the terms and conditions of the offer, please visit www.1stenergy.com.au or call 1st Energy on 1300 426 594.
How the estimate is built: supply + time-of-use rates at 2000/4000/6000 kWh/yr, usage split by the AER daily profile for Ausgrid (peak 33%, off-peak 67%); GST as published; discounts, controlled load and feed-in excluded; 4 tariff periods published, the first (04-01 to 05-31) is used
Against the reference price
The DMO 2026-27 is the regulator's benchmark for this network; it is the figure every bill compares itself to.
At the regulator's 3,900 kWh a year this plan comes to $1,146 a year. The DMO 2026-27 reference price is $1,899, so this plan is $753 below it. Regulator's determination
Where this plan applies
Electricity offers are published per distribution network, so the rates above hold for every postcode on it.
Every plan on the Ausgrid network
- 2000 · Sydney
- 2037 · Glebe
- 2074 · Warrawee
- 2105 · Elvina Bay
- 2141 · Lidcombe
- 2211 · Padstow
- 2259 · Wyong
- 2300 · Newcastle
To see this plan against every other plan at your own usage: compare for a postcode and change the postcode and kWh to yours.
Related plans
The brand's page, the comparison this plan is ranked in, and the plans most like it. Every price on them is read from the same data as this page.
Source: the retailer's plan as published to the Australian Energy Regulator (Energy Made Easy record 1ST1213175MRE1), checked daily. Ranked on estimated cost alone; nothing is promoted. How this is collected