Published: 30 March 2026 | FY 2025-26

Electricity Tax Deduction Work From Home: How to Claim Your Home Office Power Costs

Working from home has become a permanent feature of the Australian workforce, and with it comes the reality of higher electricity bills. From powering your laptop and monitor to running heating and cooling in your home office, the extra energy consumption can add up quickly over a financial year. The good news is that the Australian Taxation Office (ATO) allows eligible workers to claim a tax deduction for the work-related portion of their home electricity costs.

Many Australian employees and freelancers are unsure about how electricity tax deductions work, what methods they can use, and how much they can legitimately claim. Some overclaim and risk ATO scrutiny, while others miss out on hundreds of dollars in deductions simply because they don't understand the rules. This guide explains everything you need to know about claiming electricity costs when working from home for the 2025-26 financial year, including calculation methods, record-keeping requirements, and how these deductions affect your overall tax position. To see how work-from-home deductions could improve your finances, try our take-home pay calculator before we dive into the details.

Can You Claim Electricity Costs When Working From Home?

Yes, you can claim electricity expenses when you work from home, provided the costs relate directly to earning your assessable income. This applies to employees who work remotely by arrangement with their employer, freelancers and contractors who operate their business from home, and small business owners who use a home office. The fundamental principle is that you can only deduct the portion of your electricity bill that is work-related, not the share used for personal household activities.

Work-related electricity use includes powering your computer, monitor, printer, and other office equipment during work hours. It also covers lighting, heating, and cooling for your workspace while you are performing employment duties or running your business. If you use specialised equipment for work—such as a second monitor, a docking station, or a standing desk with electronic height adjustment—the electricity consumed by these devices also counts as work-related.

However, you cannot claim electricity used for personal purposes. This includes powering your television, gaming consoles, personal devices, kitchen appliances, and general household lighting outside work hours. The ATO expects you to apportion your electricity costs fairly between work and private use, and you must be able to explain your methodology if your claim is reviewed. Simply claiming a flat percentage without a reasonable basis is not acceptable.

ATO Methods for Claiming Electricity Expenses

The ATO offers two main methods for claiming work-from-home expenses, and the method you choose determines how your electricity deduction is calculated. Understanding both options helps you select the approach that delivers the best outcome for your circumstances while keeping your record-keeping manageable.

The Revised Fixed Rate Method: For the 2025-26 financial year, the ATO allows you to claim 67 cents for every hour you work from home. This fixed rate covers electricity, gas, stationery, computer consumables, and the decline in value of office furniture. Because electricity is bundled into this rate, you do not need to calculate your actual power costs separately if you choose this method. For many workers with moderate work-from-home arrangements, this simplified approach provides a fair deduction without the need for complex calculations or extensive record-keeping.

The Actual Cost Method: Under this method, you calculate the real cost of the electricity you use while working from home. This requires you to determine your work-related percentage and apply it to your actual electricity bills. While this method involves more detailed record-keeping, it can produce a larger deduction if you have high electricity costs, a dedicated home office, or work from home full-time. If you choose this method, you must be able to show how you calculated your work-related electricity usage and keep supporting documentation.

It is important to note that the shortcut method of 80 cents per hour, which was available during the COVID-19 pandemic, ended on 30 June 2022 and cannot be used for the 2025-26 financial year. Taxpayers must now choose between the revised fixed rate method and the actual cost method.

How to Calculate Your Work-Related Electricity Percentage

If you use the actual cost method, you need a reasonable basis for calculating what percentage of your electricity costs relate to work. The ATO accepts several approaches depending on your circumstances and the records you keep.

Floor area method: If you have a dedicated home office used exclusively for work, you can calculate the percentage of your home's total floor area that the office represents. For example, if your home office is 10 square metres and your total home is 100 square metres, your office represents 10% of your home. You then apply this percentage to your electricity bills, adjusting for the hours you use the office compared to the total hours in the billing period. This method works best when you have a clearly defined workspace.

Equipment-based calculation: Another approach is to calculate the electricity consumed by your work equipment and lighting. You can find the wattage of your devices on their labels or manuals, estimate how many hours they run per day for work, and convert this to kilowatt-hours. Multiply this by your electricity rate (found on your power bill) to determine your daily work-related electricity cost. While this method is more precise, it requires more effort and technical understanding.

Time-based apportionment: For workers without a dedicated office, a time-based approach may be more practical. You can estimate your work-related electricity use based on the hours you work from home compared to the total hours you are awake and using electricity. For example, if you work from home 40 hours per week and are typically awake and using power for 80 hours per week, your work-related percentage would be 50%. This method is simpler but should be supported by a work diary or timesheet.

Record-Keeping Requirements for Electricity Deductions

Good record-keeping is essential for substantiating your electricity tax deduction claims. The ATO can review your tax return for up to five years after lodgement, so maintaining proper documentation protects you in the event of an audit or review.

If you use the revised fixed rate method, you must keep a contemporaneous record of all the hours you work from home throughout the financial year. This means documenting your hours as you work them, not reconstructing them at tax time. Acceptable records include timesheets, rosters, work schedules, calendar entries, or a simple diary. You also need to keep at least one electricity bill, one phone bill, and one internet bill to show that you incurred these types of expenses.

If you use the actual cost method, your record-keeping requirements are more extensive. You must keep all your electricity bills for the financial year, along with the calculations showing how you determined your work-related percentage. If you use the floor area method, keep a floor plan or measurements of your home office and total home area. If you use the equipment-based method, retain documentation of your devices' wattage and your usage estimates. A four-week representative diary showing your typical work-from-home pattern can also support your claim.

For any equipment you purchase for your home office, such as a heater, fan, or air purifier, keep the purchase receipt. Items costing $300 or less can be claimed as an immediate deduction, while more expensive items must be depreciated over their effective life. The ATO's myDeductions tool in the ATO app is a convenient way to track expenses and store digital copies of receipts throughout the year.

How Electricity Deductions Affect Your Tax Position

Understanding how electricity and other work-from-home deductions impact your overall tax helps you appreciate their real value. Deductions reduce your taxable income, which means you pay less income tax. The exact savings depend on your marginal tax rate for the 2025-26 financial year.

For the 2025-26 financial year, Australia's individual income tax rates are as follows:

Note: The above rates do not include the 2% Medicare levy, which also applies to most taxpayers. Higher income earners may also pay the Medicare Levy Surcharge without private health insurance.

As the table shows, the tax savings from a $300 electricity deduction range from $0 to $135 depending on your income level. While this may seem modest on its own, remember that work-from-home deductions are cumulative. When you combine electricity with other eligible expenses—such as internet, phone, computer equipment, and stationery—your total deductions can deliver meaningful tax savings. For higher-income earners, combining these deductions with salary sacrifice arrangements for additional superannuation contributions can be an effective tax planning strategy.

It is also important to understand that work-from-home deductions, including electricity, do not reduce your income for all purposes. If you have a HECS-HELP debt, the ATO calculates your repayment income by adding back certain deductions to your taxable income. This means your home office deductions won't reduce your compulsory HECS repayments. Similarly, deductions don't affect the income thresholds used to determine liability for the Medicare Levy Surcharge or eligibility for certain government benefits.

Common Mistakes to Avoid When Claiming Electricity Expenses

The ATO closely monitors work-related expense claims, and electricity deductions are a common area where taxpayers make errors. Avoiding these mistakes keeps you compliant and reduces the risk of an audit or adjustment.

Claiming 100% of household electricity: Unless you run a business from a separate premises or have a genuinely isolated meter for your home office, claiming 100% of your electricity bill is almost certainly incorrect. The ATO expects you to apportion your claim between work and private use. Be realistic about your work-related percentage and keep records to support your calculation.

Double-dipping between methods: If you use the revised fixed rate method of 67 cents per hour, you cannot also claim electricity costs separately using the actual cost method. The 67 cents per hour rate already includes electricity, gas, phone, internet, stationery, and furniture depreciation. Choosing to use the fixed rate method means you accept the bundled rate for these expenses.

Poor record-keeping: Estimating your work-from-home hours or electricity usage without supporting documentation is risky. The ATO requires contemporaneous records for the fixed rate method and detailed calculations and bills for the actual cost method. Take the time to document your hours, keep your bills, and retain any floor plans or usage diaries.

Claiming personal comfort items: While you might run a heater or air conditioner in your home office for comfort, you can only claim the work-related portion of this usage. You cannot claim the cost of personal appliances like a coffee machine, microwave, or television, even if you use them during work hours. Similarly, you cannot claim electricity used to charge personal devices unless they are also used for work.

Summary: Key Takeaways for Electricity Tax Deductions

Electricity tax deductions offer Australian workers a valuable opportunity to reduce their taxable income when working from home. For the 2025-26 financial year, remember these essential points:

• You can claim the work-related portion of your home electricity expenses if you work from home
• The revised fixed rate method (67 cents per hour) includes electricity, gas, phone, internet, stationery, and furniture depreciation
• The actual cost method allows you to claim your exact work-related electricity costs but requires more detailed records
• Keep contemporaneous records of your work-from-home hours and all supporting documentation for at least five years
• Choose the method that delivers the best outcome for your specific circumstances
• Electricity deductions reduce taxable income but don't reduce income for HECS-HELP repayment calculations
• If your employer reimburses your electricity costs, you cannot claim them as deductions

By understanding the rules, keeping proper records, and choosing the right calculation method, you can maximise your legitimate electricity tax deduction while staying fully compliant with ATO requirements. Whether you work from home occasionally or full-time, every dollar you claim correctly helps reduce your tax bill and puts more money back in your pocket.

To estimate how electricity and other work-from-home deductions could affect your tax position, use our income tax calculator and take-home pay calculator. These free tools help you understand your tax liability, explore different deduction scenarios, and plan your finances for the 2025-26 financial year.