Pinergy vs PrepayPowerWhich is cheaper for you?
Both suppliers run several plans, and the cheaper one depends on how your home uses electricity. Here's who wins for different kinds of household.
The short answer
There's no single answer — and that's exactly the point. Pinergy is cheaper for some homes, PrepayPower for others. It all comes down to when you actually use electricity.
Which home is most like yours?
Each card is a different way of using electricity. Find the one closest to your home — it shows the cheaper of Pinergy and PrepayPower, and the exact plan, for that household.
Usage type
EV / night owl
Charges an EV or runs appliances overnight
Cheapest plan for this home
€481 cheaper than Pinergy's best (€2,861).
Usage type
Out 9–5
Empty house by day, morning and evening peaks
Cheapest plan for this home
Neck and neck — only €14 ahead of PrepayPower's best.
Usage type
Work from home
Steady use right through the day
Cheapest plan for this home
€30 cheaper than Pinergy's best (€2,278).
Usage type
Low user / weekends
Light overall, busiest at weekends
Cheapest plan for this home
€48 cheaper than PrepayPower's best (€1,475).
Estimated for each usage shape (urban, smart meter). Figures are illustrative — your own usage is what actually decides it.
Why it changes
These are the plans that win above. Look how their rates rise and fall through the day — that's why no single plan is cheapest for everyone.
Rate by hour of day
Effective unit rates including VAT. Lower is cheaper at that time of day.
The plans we compared
Every smart-meter plan each supplier sells, not just the one that wins. Where a plan is the cheapest choice for one of the four homes above, it's tagged with that home.
Pinergy
3 plans- Lifestyle Family TimeEvening 27.5c · Standard 45.8cCheapest forOut 9–5Low user / weekends
- Lifestyle Working from Home TimeWFH Hours 32.1c · Standard 45.8c
- Lifestyle Standard Smart TariffNight 34.8c · Day 45.8c · Peak 49.0c
PrepayPower
1 plan- Smart Pay Urban Day Night PeakNight 21.6c · Day 41.6c · Peak 46.8cCheapest forEV / night owlWork from home
Your home isn't a stereotype
See which is cheaper for your actual usage
The cards above are typical homes. Link your smart meter and SmarterMeter ranks Pinergy, PrepayPower and every other supplier against your real half-hourly usage — free.
Find my cheapest planPinergy vs PrepayPower — frequently asked
Is Pinergy cheaper than PrepayPower?▾
Not always — it depends on your home. Pinergy works out cheaper for some usage patterns and PrepayPower for others (see the breakdown above). An EV owner who charges overnight and a household that's out all day can get opposite answers from the same two suppliers.
Why isn't there one "cheapest" plan?▾
Because electricity plans charge different rates at different times of day. A night-saver plan is the cheapest thing going for an EV owner charging at 3am, and one of the most expensive for someone home all day. The "best" plan depends entirely on when you use power — so a single league table is misleading.
How do I find which is actually cheapest for me?▾
Link your smart meter to SmarterMeter (free). We rank every plan from every supplier against your actual half-hourly usage — not an average household — so you see your real cheapest plan, not a generic winner.
Can I switch between Pinergy and PrepayPower?▾
Yes. Switching electricity supplier in Ireland is free, can take a few weeks, and there's no interruption to your supply — the wires and meter stay exactly the same.