In a share house, the electricity account can only be in one or two people's names. The retailer bills an account holder, not a household. Whoever is named is legally responsible for paying the retailer, even if a housemate does not chip in. That is a real risk: a departing flatmate who leaves owing their share does not owe the retailer, they owe you, and chasing them is your problem, not the retailer's.
The fairest approach is to agree upfront who holds the account and how everyone reimburses them, ideally in writing in a simple house agreement. Some houses rotate the account holder each lease, others keep it with the most stable long-term tenant. Whoever holds it should also be the one who compares and switches, because they are the customer with the right to choose the plan.
Fair ways to split the bill
Even split
Divide the total equally per person. Simple and low-drama, and fair when everyone is home similar amounts and rooms are similar sizes.
Per-room or per-income weighting
Charge more to the larger room or ensuite. Useful when bedrooms differ a lot in size or comfort.
Usage-weighted
Adjust for obvious heavy users: someone running a second fridge, gaming rig or electric heater all winter. Hard to measure precisely, so keep it rough and agreed.
Occupancy-adjusted
Pro-rata for people who are away a lot or move in mid-quarter, so nobody pays for weeks they were not there.
Tools that keep the peace
The friction in share-house bills is rarely the maths. It is the chasing. A shared expense app (there are several free ones) lets the account holder log the bill and split it automatically, sends reminders, and keeps a running tally so nobody argues about who paid last quarter. Setting up a recurring split the day each bill lands turns a monthly negotiation into a two-tap task.
A shared house bank account or a standing agreement where everyone transfers a fixed amount each fortnight (trued-up when the real bill arrives) smooths out the lumpiness of quarterly billing. The goal is to make paying the boring default, so energy never becomes the thing the house fights about.
The saving everyone shares: a cheaper plan
The single biggest lever in a share house is not how you split the bill. It is how big the bill is in the first place. Share houses often run high usage (more people, more devices, older shared appliances) yet nobody takes ownership of switching, so the house sits on a default plan for years. Whoever holds the account can fix that in a few minutes, and the saving is split across everyone.
Because a share house usually has a solid amount of usage across the day, comparing on your real bill rather than a headline rate is worth doing properly. EnergySorted compares the whole market on your actual usage for a flat annual fee and takes no retailer commissions, so the account holder gets an honest cheapest-plan answer, and the whole house benefits from the lower bill.
Frequently asked questions
Whose name should the electricity be in for a share house?
One or two people must hold the account, and they are legally responsible for paying the retailer. Pick someone stable and long-term, agree in writing how everyone reimburses them, and remember the account holder is also the one who can compare and switch plans.
What happens if a housemate doesn't pay their share?
The retailer only chases the account holder, not the individual flatmate. If someone does not pay their share, they owe the account holder, not the retailer, which is why a written house agreement and a shared-expense app that tracks who owes what is worth setting up early.
What's the fairest way to split an electricity bill?
An even split is simplest and works when everyone is home similar amounts. Weight it by room size, occupancy or obvious heavy usage if that feels fairer, but agree the method upfront so it is not re-argued every quarter.
Can we lower the bill everyone shares?
Yes, and it is the best lever. Share houses often sit on a default plan because nobody owns the switch. The account holder can compare the whole market on the house's real usage and move to a cheaper plan in minutes, with the saving split across everyone.
Do we all need to agree to switch retailer?
Legally only the account holder decides, since they are the customer. In practice it is worth a quick house chat, but switching does not change anything physical about the property and there is usually no lock-in, so it is a low-risk win for everyone.
Beyond splitting it, how does the whole house cut the bill?
Share houses often run high usage from more people and older shared appliances, so habits add up fast. Cold washes, killing standby on shared gear, line drying and being sensible with heating and cooling all help. Our practical ways to cut your power bill are easy for a house to adopt together.
Should our share house be on a time-of-use plan?
It can pay off, because a busy house often runs washing, dishes and dryers that can be shifted to cheaper off-peak times. But if everyone is home and using power in the evening peak, a flat rate may win. Our comparison of a time-of-use vs single-rate tariff explains how to decide, then cost both on the house's real bill.
Why is our share house bill so high?
Usually a mix of more occupants, more devices, older shared appliances and sitting on a default plan nobody has reviewed. Our guide on why your electricity bill is so high walks through the common culprits so the house can target the biggest ones.
Can a share house claim any energy concessions?
Concessions attach to the account holder and their eligibility, so if the named person holds an eligible concession card, the household bill can benefit. Our guide to concession cards and energy explains how it works and how to apply.
Who sorts out the electricity when a housemate moves out?
If the person leaving is the account holder, the account needs to be transferred to a remaining tenant so power is not cut off, and it is a good moment to re-compare. Our guide on connecting electricity when moving house covers the handover timing.
We're renting. Are we even allowed to switch?
Yes, as long as the account is in a housemate's name and you are not in an embedded network, you do not need the landlord's permission. Our renters energy savings guide covers exactly what renters can and cannot change.
General information only, current at the time of writing. Not financial advice. Rebate schemes and rules
change; always confirm details with your retailer or state government energy site.
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