Do Electric Showers Use a Lot of Electricity? Explained in 2 Mins

sam shead

Sam Shead

Last Updated: 11 Jun 2024

Is your electric shower guzzling more electricity than it should? 

It's a common concern, especially with rising energy costs and environmental awareness.

In this article, we'll dive deep into the facts about electric showers and their energy consumption. 

Whether you're looking to install a new shower or just curious about your current setup, you'll find straightforward, expert advice here. 

Discover how much electricity these showers use and learn practical tips to make your bathroom more energy-efficient without sacrificing comfort. 

Ready to find out if you can enjoy a warm shower without the chilling effect on your utility bill?

Let’s explore together.

Key Takeaways

  • Electric Shower Energy Use: Electric showers use a significant amount of electricity, with the average 10 kW model consuming about 1 kWh in just six minutes. This translates to higher energy costs compared to less intensive appliances.

  • Comparison with Traditional Showers: Electric showers heat water on demand and generally use more electricity during operation than traditional showers, which may utilise a central heating system that benefits from the household's overall energy usage profile.

  • Impact of Power Ratings and Usage Duration: The power rating of an electric shower significantly affects its electricity consumption; higher-rated showers consume more energy. Additionally, the length of your showers directly influences your monthly energy bills—the longer the shower, the higher the cost.

  • Cost-Efficiency Tips: To reduce costs, consider installing water-efficient shower heads, using eco-friendly settings, and ensuring regular maintenance to fix any leaks, which can prevent unnecessary energy wastage.

  • Alternative Solutions for Energy Savings: Explore alternatives like solar-powered showers or tankless water heaters, which, although initially expensive, can offer long-term savings and lower energy consumption.

  • Find out the top rated electric showers in 2024 from Best Electric Showers.

Free PDF: Ultimate Buyer's Guide to Electric Showers

How Do Electric Showers Function?

How Electric Showers Heat Your Water

Electric showers heat water instantly by passing it over a built-in heating element, similar to how a kettle works. 

When you turn on the shower, cold water is drawn from the supply, heated on demand, and delivered to you at your desired temperature. 

This means you don’t need a stored hot water system, making electric showers particularly suitable for homes with limited hot water supply or high demand.

Electric vs. Traditional: A Shower Showdown

Unlike traditional showers that often rely on hot water heated by boilers and stored in a tank, electric showers are independent of your home's central heating system. 

This independence is both a strength and a limitation. 

While you'll always have hot water while someone else uses water elsewhere in your home, electric showers typically have a lower flow rate than showers driven by stored hot water systems. 

This difference can affect the overall shower experience, as the intensity of the water flow from an electric shower can be less satisfying than that from a system with a hot water cylinder, especially during colder months when the incoming water temperature is lower, requiring more heating.

What Does it Cost to Run an Electric Shower?

Understanding the Price Tag of Your Daily Shower (Power Rating)

The power rating of an electric shower, typically measured in kilowatts (kW), is crucial in determining how much electricity it uses. 

Standard ratings range from 7.5 kW to 10.5 kW. 

A higher-rated shower (10 kW and above) heats water faster but consumes more electricity, significantly affecting energy bills. 

For instance, a 10 kW shower running for an average of six minutes can use about 1 kWh of electricity.

Power Play: How Your Shower’s Wattage Affects Your Bill

The duration of your showers can also substantially impact how much electricity you use. 

For example, extending your shower time from five to ten minutes can double your energy consumption, affecting your monthly utility bills. 

Average shower durations typically range between 5 and 10 minutes, but it's important to note that frequent long showers will lead to higher energy usage.

Price Per Unit: The Real Cost of a Warm Rinse

The cost of electricity varies by location and provider but is a critical factor in determining the running costs of an electric shower. 

The UK's price can be as high as 34 pence per kWh under specific tariffs. 

Therefore, understanding your tariff and how much you are charged per unit of electricity can help you manage and anticipate the costs of using an electric shower.

The True Energy Appetite of Electric Showers

Calculating the Energy: How Much Power Does Your Shower Need?

To calculate the energy usage of an electric shower, you can use a simple formula: Power Rating (in kW) × Duration of Shower (in hours). 

For example, if you use a 9 kW shower for 10 minutes (about 0.167 hours), the energy consumption would be approximately 1.5 kWh. 

This formula helps you estimate how much electricity your shower uses each time you turn it on, providing a basis for understanding the cost implications.

Rating the Consumption: Does Efficiency Equal Savings?

The energy rating of an electric shower, often specified on the unit, determines how efficiently it uses electricity to heat water. 

Showers with a higher energy rating use less electricity to achieve the same heating performance as those with lower ratings, potentially saving money on long-term energy costs. 

The duration of use plays a significant role here; shorter showers with a highly efficient unit maximise energy savings.

Annual Audit: What Your Shower Costs You Yearly

Estimating monthly and yearly energy consumption gives a clearer picture of the impact of using an electric shower on your energy bills. 

For instance, using the earlier example of a 9 kW shower for 10 minutes daily, monthly usage would be about 45 kWh, translating into significant annual energy consumption. 

This understanding allows homeowners to evaluate their shower habits and make informed decisions to optimise their energy use, such as reducing shower times or updating to more efficient models.

What Influences Your Shower's Electricity Hunger?

Electric showers are famous for their on-demand hot water, but several factors can affect their energy consumption. 

Understanding these can help you manage and reduce your electricity usage.

Turning Up the Heat: How Settings Affect Energy Use

The setting you choose for the water temperature significantly impacts electricity consumption. 

Higher temperature settings require more energy to heat the water to the desired level. 

If the incoming water is colder, often during winter, the energy required increases further. 

Adjusting the temperature settings to the lower end of your comfort zone can reduce power usage effectively.

Winter vs. Summer Showers: Seasonal Energy Swings

The time of year significantly affects how much electricity your electric shower uses. 

During colder months, the incoming water temperature drops, requiring more energy to heat it to a comfortable showering temperature. 

This increase can be noticeable in your electricity bills during winter. Conversely, the energy required decreases in warmer months as the incoming water temperature is naturally higher.

By being aware of these factors, you can take proactive steps to adjust your usage patterns and settings, potentially reducing your energy bills significantly.

How to Cut Costs on Electric Showers

Reducing electric showers' running costs benefits your wallet and the environment. 

Here are practical tips to help you reduce your electricity consumption without compromising the quality of your showering experience.

Swap Your Head, Save Your Wallet: The Efficient Shower Head Upgrade

Switching to a high-efficiency shower head can significantly reduce water usage while providing a satisfying shower experience. 

These shower heads are designed to use less water per minute by aerating or restricting flow, reducing the energy required to heat the water. 

This simple change can lead to noticeable reductions in water and electricity bills.

Watch the Clock, Save a Shock: Managing Your Shower Time

Keeping track of how long you spend in the shower can help reduce costs. Consider setting a timer to remind you to keep showers short. 

Additionally, modern digital showers have features that allow you to monitor water usage and time spent showering, helping you become more aware and proactive about conserving energy.

Drip Costs: Fix Leaks Fast

A leaking shower can waste significant water and energy, as every drop of water heated is energy spent. 

Regularly check your shower for any signs of leaks and repair them promptly to prevent water and energy wastage.

Eco-mode: Your Shower’s Green Setting

Many electric showers have an 'eco' setting that reduces the power used to heat the water. 

Engaging this setting can help decrease energy consumption by ensuring the shower operates more efficiently, using less electricity to provide the same level of warmth, albeit at a slightly reduced flow rate.

Implementing these tips will allow you to enjoy your electric shower while being mindful of energy consumption and costs.

Exploring Efficient Shower Alternatives

Exploring alternative showering solutions can provide more efficient ways to enjoy a warm shower while reducing electricity consumption and saving on utility bills. 

Here are a few innovative alternatives to traditional electric showers.

Solar Showers: Hot Water from the Sun

Solar-powered showers are an excellent alternative for those looking to minimise their environmental impact and reduce electricity usage. 

These systems use solar panels to heat water stored in an insulated tank until needed. 

While the initial setup costs can be higher, the long-term electricity savings can be substantial, especially in regions with ample sunlight.

Tankless Tales: The Endless Stream of Savings

Also known as on-demand or instant water heaters, tankless water heaters provide hot water only as needed, eliminating the need to heat and reheat water in a tank. 

This can lead to significant energy savings over traditional water heating methods, including electric showers. 

They are available in electric models that are more efficient than traditional electric showers because they avoid standby energy losses associated with storing hot water.

These alternatives not only cater to reducing energy consumption but also provide a continuous hot water supply tailored to suit the needs of different households. 

Consider these options to enhance your home’s energy efficiency and enjoy long-term savings.

Wrapping It Up: What You Need to Know

Electric showers are convenient for managing your home's hot water needs, especially in households with limited hot water supplies. 

However, their ease of use and independence from a home's central heating system come with higher electricity costs, primarily due to the power required to heat water on demand.

  • Critical Insights: It's crucial to understand the factors affecting the electricity consumption of electric showers, including power rating, duration of use, and the cost per unit of electricity. Adjusting these can help manage and reduce costs.

  • Efficiency Tips: Implementing practical tips such as using efficient shower heads, monitoring shower duration, fixing leaks, and using eco settings can significantly reduce electricity consumption and, consequently, your bills.

  • Alternatives: Alternatives like solar-powered showers or tankless water heaters can provide long-term savings and are worth considering for new installations or significant renovations.

By making informed choices about electric shower use and exploring alternative solutions, you can enjoy the benefits of an on-demand hot water system without costing the earth. 

This balance of convenience, cost, and conservation is critical to a sustainable home environment.

Frequently Asked Questions

Do electric showers use more electricity than other types of showers?

Yes, electric showers typically use more electricity than other showers because they heat water instantly at the point of use. 

This on-demand heating requires significant electrical power, unlike central heating systems or boiler-fed showers, which generally spread the energy consumption over a more extended period.

How can I find out my shower's power rating?

The power rating of your electric shower is usually displayed on the unit itself or in the user manual. 

Standard ratings range from 7.5 kW to 10.5 kW. 

If you can't find this information on the physical device, you may check the manufacturer’s website or contact their customer service for details.

What are some signs that my electric shower is using too much electricity?

Signs that your electric shower might be using excessive electricity include higher than usual electricity bills, the shower unit becoming unusually hot, or the circuit breaker tripping frequently during use. 

These signs indicate that the shower is malfunctioning or not operating efficiently and may require maintenance or replacement to ensure it runs optimally.


© Copyright 2024 Best Electric Shower LTD. All rights reserved. | Company Number: 15606794 | Registered in England and Wales with registered office in Linden Fields, Tunbridge Wells, England, TN2 5QX

Email Support: | Customer Support: 02081752283  

Privacy Policy | Cookie Policy | Terms of UseAffiliate Policy

© Copyright 2024 Best Electric Shower LTD All rights reserved | Company Number: 15606794 | Registered in England and Wales with registered office in Linden Fields, Tunbridge Wells, England, TN2 5QX

Email Support: | Customer Support: 02081752283  

Privacy Policy | Cookie Policy | Terms of UseAffiliate Policy

© Copyright 2024 Best Electric Shower LTD All rights reserved | Company Number: 15606794 | Registered in England and Wales with registered office in Linden Fields, Tunbridge Wells, England, TN2 5QX

Email Support: | Customer Support: 02081752283  

Privacy Policy | Cookie Policy | Terms of UseAffiliate Policy


Free Guide: Ultimate Buyer's Guide to Electric Showers