How to Save Money on Electricity When Renting

by Chief Editor

Renters can reduce household electricity bills by up to €600 annually by optimizing hot water usage and switching energy providers, according to Daragh Cassidy of the price comparison site Bonkers.ie. While structural home improvements like solar panels often remain out of reach for tenants, targeted behavioral changes regarding appliance settings and laundry habits offer immediate, measurable cost savings.

How to Lower Energy Costs Without Landlord Approval

Tenants restricted by rental agreements can still achieve significant savings by focusing on “low-impact” behavioral shifts, says Daragh Cassidy. Because energy-intensive upgrades like insulation or solar installation require owner consent, the most effective strategy involves managing the primary driver of domestic electricity costs: hot water.

From Instagram — related to Daragh Cassidy, Pro Tip

Heating water accounts for approximately €2 of daily electricity costs in homes without solar infrastructure. Cassidy advises tenants to prioritize water conservation over immersion timing. Leaving a hot tap running during showers or while brushing teeth forces the immersion heater to work continuously, significantly increasing consumption. Installing a lagging jacket on the immersion tank remains one of the most cost-effective, non-permanent ways to retain heat and reduce demand.

Pro Tip: You don’t need to stop using your immersion, but you should curb water waste. Every liter of hot water drained requires the system to reheat a fresh tank, which is the most expensive task your electricity meter performs.

Reducing Laundry and Drying Expenses

Laundry cycles represent a major electricity drain, particularly when using high-temperature settings. Cassidy recommends switching to 30-degree cycles for standard loads, as modern detergents are formulated to be effective at lower temperatures. While hot washes remain necessary for hygiene with towels or bedsheets, lowering the temperature for everyday clothes can lead to steady monthly savings.

Drying clothes also presents a financial hurdle for renters. A standard tumble dryer can cost up to 80c per hour to operate. Alternatives include:

  • Dryer Balls: Adding these to a tumble dryer load can reduce drying time by up to 25%.
  • Dehumidifiers: For tenants without outdoor drying space, using a clothes horse paired with a dehumidifier is significantly cheaper, costing only 4c to 5c per hour.

Is Switching Electricity Providers Worth It for Renters?

Switching energy providers remains the most effective way to secure lower rates, though it requires coordination with the account holder. If the bill is in the landlord’s name, Cassidy suggests opening a dialogue to determine if the property is on an optimal plan. If the tenant is responsible for the account, switching can lead to annual savings of €500 to €600.

Energy prices with Daragh Cassidy of Bonkers.ie

For those with smart meters, “Time of Use” tariffs offer another avenue for savings. These plans charge different rates based on the time of day. However, Cassidy warns that shifting habits alone is insufficient; consumers must ensure they are actively signed up for a tariff that reflects these time-based price fluctuations to see a reduction on their statement.

Did you know? While many households believe simply shifting laundry to the evening saves money, you must be on a specific Time of Use tariff for those lower rates to apply. Without the correct plan, the time you run your appliances won’t change your bill.

Frequently Asked Questions

Can I switch energy providers if I am renting?

Yes, if the electricity account is in your name. If the bill is in the landlord’s name, you should contact them to discuss the current plan and see if a switch is possible to reduce costs.

What is the most expensive electrical task in a home?

Heating water, specifically through an immersion system, is generally the highest daily cost for households, often exceeding €2 per day.

Do dehumidifiers really save money compared to dryers?

Yes. A tumble dryer can cost up to 80c per hour to run, whereas a dehumidifier typically costs between 4c and 5c per hour, offering a substantial reduction in energy usage for drying clothes.


Have you managed to lower your energy bills through simple lifestyle changes? Share your tips in the comments below, or sign up for our newsletter for more expert advice on managing household costs.

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