How Much Does a Pool Cost Per Month in Electricity?

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Having a swimming pool in your backyard can provide endless hours of fun, relaxation, and a great way to beat the summer heat. However, before taking the plunge into pool ownership, it’s important to consider all the associated costs, including the impact on your monthly electricity bill. While the joy of having a pool is undeniable, it’s crucial to be well-informed about the financial responsibilities that come with it.

In this article, we delve into the world of pool ownership costs, focusing specifically on the electricity expenses you can expect. We’ll provide you with a comprehensive understanding of the factors that influence your pool’s electricity consumption, offer insights into how to estimate monthly costs, and discuss strategies to manage and optimize your pool’s energy usage.

Whether you’re a potential pool owner or already have a pool, this guide will help you make informed decisions to enjoy your pool while keeping your energy expenses in check. Let’s dive in and explore the depths of pool electricity costs.

Key Takeaways

  • The cost of running a pool per month in electricity can range from $10 to $300, depending on various factors such as pool size, equipment types, and usage patterns.

  • Factors that influence monthly pool electricity costs include pool size and volume, pump and filtration system efficiency, pool heating, lighting, water features, maintenance practices, climate and usage, and energy rates.

  • To calculate the exact monthly pool electricity expenses for your specific pool, you need to determine the power consumption of your pool pump, the number of hours it runs per day, the daily energy consumption, and the electricity rate.

  • Different types of pool pumps have different electricity consumption levels, with single-speed pumps being the least energy-efficient and variable-speed pumps being the most energy-efficient.

  • A swimming pool heat pump typically uses around 5,000 watts or 5 kilowatts per hour per 100,000 BTUs. Factors such as temperature differential, climate, season, and the size of the heat pump can affect its electricity consumption.

  • It’s important to consider these factors and implement energy-saving strategies to manage and optimize your pool’s energy usage and reduce monthly electricity costs.

How Much Does a Pool Cost Per Month in Electricity

The range of monthly electricity costs for running a pool is quite broad due to the variables involved. On average, you might anticipate anywhere from $10 to $300 in monthly energy expenses. This range encompasses various pool sizes, equipment types, and usage patterns.

Smaller pools with energy-efficient equipment and limited heating requirements generally fall on the lower end of the spectrum. Larger pools with older equipment, frequent heating, and extended pump operation tend to incur higher costs.

Factors That Influence Your Monthly Pool Electricity Costs

Understanding the factors that influence your monthly pool electricity costs can help you manage your budget effectively and make informed decisions about energy-efficient practices. Here are the key factors that contribute to your pool’s electrical consumption:

Pool Size and Volume: The size of your pool has a direct impact on its energy requirements. Larger pools typically need more water circulation, filtration, and heating, leading to increased electricity usage. The volume of water your pool holds plays a significant role in determining the energy demands to maintain water quality and temperature.

Pump and Filtration System: The pool’s pump and filtration system are essential for maintaining water clarity and quality. The pump circulates water through the filtration system, removing debris and contaminants. The efficiency and duration of your pump’s operation influence energy consumption. Upgrading to energy-efficient pumps and variable-speed pumps can substantially reduce electricity costs.

Pool Heating: If you’re heating your pool, either to extend the swimming season or maintain a comfortable temperature, heating systems can be energy-intensive. Whether you use a gas heater, electric heat pump, or solar heater, the energy needed to raise and maintain water temperature adds to your monthly electrical expenses.

Lighting: Pool lighting, both underwater and around the pool area, contributes to your electricity usage. LED lights are more energy-efficient than traditional incandescent bulbs and can help lower lighting-related costs.

Water Features: Waterfalls, fountains, and other decorative water features enhance the visual appeal of your pool but also consume electricity. The energy consumption depends on the size and complexity of these features and how frequently you operate them.

Maintenance Practices: Regular maintenance, such as cleaning the pool, vacuuming, and balancing chemicals, ensures water quality and reduces strain on the filtration system. Neglecting maintenance can lead to increased energy consumption as the system works harder to maintain clean water.

Climate and Usage: Your geographical location and climate influence how often you’ll need to run the pump, heater, and other equipment. Additionally, the frequency of pool use impacts energy consumption. A pool that’s frequently used might require more energy for heating and circulation.

Energy Rates: The cost of electricity in your area directly affects your monthly pool-related expenses. Higher energy rates lead to higher electricity bills, regardless of how efficiently your pool operates.

How to Calculate the Exact Monthly Pool Electricity Expenses for My Specific Pool

To calculate the exact monthly pool electricity expenses for your specific pool, you will need to consider several factors. Here is an overview of the steps you can take:

  • Determine the power consumption of your pool pump: On the pool pump motor, you will find a sticker or label stating the kilowatt (kW) rating. This rating represents the power consumption of the pump. Note down this value.

  • Determine the number of hours your pool pump runs per day: Make a note of how many hours your pool pump operates each day. This can vary depending on factors such as pool size, climate, and usage patterns.

  • Calculate the daily energy consumption: Multiply the kW rating of your pool pump by the number of hours it runs per day. This will give you the daily energy consumption in kilowatt-hours (kWh).

  • Determine the electricity rate: Check your electricity bill or contact your power utility to find the cost per kWh. This will vary depending on your location and electricity provider.

  • Calculate the monthly electricity expenses: Multiply the daily energy consumption by the number of days in a month. Then, multiply this by the electricity rate per kWh. The result will give you the estimated monthly pool electricity expenses.

Monthly Electricity Cost by Type of Pool Pump

A typical pool pump generally uses about 1 kilowatt (kWh) per hour of operation. This is equivalent to running a 100-watt light bulb continuously for 10 hours. However, the electricity usage of a pool pump can vary depending on factors such as the horsepower of the pump and its energy efficiency. An inefficient pool pump may consume around 2,500 kWh per year, especially for larger pools.

To calculate the energy usage of your pool pump, you can use an energy calculator that takes into account the wattage of your specific pump.

The average wattage of a pool pump is around 2,250 watts, but this can vary depending on factors such as the brand and size of the pump. It’s important to note that running a pool pump for longer hours or at higher speeds will result in increased electricity usage.

If you’re concerned about the energy efficiency of your pool pump, you may consider replacing an older single-speed pump with a variable speed pump. Variable speed pumps allow you to adjust the speed and energy usage according to the needs of your pool, potentially resulting in energy savings. Additionally, choosing an ENERGY STAR-certified pool pump can ensure higher energy efficiency.

There are several types of pumps that can be used for a swimming pool. Here are some of the common types:

Single-speed pumps

These are the most commonly used pumps for swimming pools. They operate at a fixed speed and provide a consistent flow rate. However, they are not energy-efficient and may result in higher electricity usage. Traditional single-speed pumps typically use around 1,800 to 2,500 watts while running. This high power usage can result in increased energy costs.

Two-speed pumps

These pumps offer the flexibility of operating at two different speeds, typically high and low. The high speed is used for tasks that require more power, such as cleaning or backwashing, while the low speed is used for regular filtration. Two-speed pumps are more energy-efficient than single-speed pumps.

The exact electricity consumption of a two-speed pump will vary depending on the specific model and speed settings. However, in general, running a two-speed pump at low speed can save about 50-75% of electricity compared to running a single-speed pump at full speed. By using the lower speed setting for most of the pump’s operation time, you can significantly reduce energy consumption.

Variable-speed pumps

These pumps are the most energy-efficient option for swimming pools. They allow you to adjust the pump’s speed and flow rate according to your pool’s needs. Variable-speed pumps are highly customizable and can result in significant energy savings compared to other pump types.

On average, a variable-speed pump will use between 1,000 and 2,400 kilowatt-hours (kWh) per year. The energy consumption is lower because these pumps can operate at a much lower energy level, averaging 50 to 500 watts during normal operation.

Booster pumps

Booster pumps are used in combination with the main pool pump to enhance its performance. They are commonly used for specific pool features like waterfalls, spa jets, or in-floor cleaning systems. The electricity consumption of a booster pump for a swimming pool is usually measured in watts or kilowatts (kW).

On average, a booster pump can consume between 500 to 1500 watts or 0.5 to 1.5 kW. However, it’s important to note that the specific electricity consumption can vary depending on the pump’s specifications and design.

Self-priming pumps

Self-priming pumps have the ability to prime themselves, meaning they can draw water from the pool without the need for manual priming. These pumps are convenient and easy to use. The electricity consumption of self-priming pumps for swimming pools can vary depending on factors such as pump size, motor efficiency, and operating conditions.

Generally, these pumps have motors ranging from 0.5 horsepower (HP) to 2 HP. Smaller pumps with lower horsepower will consume less electricity compared to larger pumps with higher horsepower.

How Much Power Does a Swimming Pool Heat Pump Use

A swimming pool heat pump typically uses around 5,000 watts or 5 kilowatts per hour per 100,000 BTUs. This means that for a heat pump with a capacity of 100,000 BTUs, the power consumption would be approximately 5 kilowatts per hour. It’s important to note that this is an average estimate, and the actual power consumption may vary depending on factors like the specific capacity of the heat pump and its efficiency.

In terms of cost, the average price for electricity in the United States is around $0.16 per kilowatt-hour. Therefore, running a pool heat pump with a power consumption of 5 kilowatts per hour would cost approximately $0.80 per hour. However, it’s important to keep in mind that electricity prices can vary depending on location and time of year.

Factors Affecting Electricity Consumption of Pool Heat Pumps

Pool heat pumps are popular choices for maintaining comfortable water temperatures, especially in cooler climates or during the off-season. While these systems efficiently transfer heat from the surrounding air to the pool water, their electricity consumption can vary based on several factors. Understanding these factors will help you make informed decisions about operating your pool heat pump effectively while keeping energy costs in check.

Temperature Differential: The temperature difference between the desired water temperature and the current air temperature significantly affects how hard the heat pump has to work. The larger the temperature differential, the more energy the heat pump requires to heat the water to the desired level.

Climate and Season: Climate plays a significant role in a heat pump’s efficiency. Colder climates require the heat pump to extract heat from colder air, which can lead to increased energy consumption. In warmer climates, the heat pump operates more efficiently as it has access to warmer air.

Size of the Heat Pump: Selecting the right-sized heat pump for your pool is crucial. An undersized heat pump will struggle to reach and maintain the desired temperature, leading to longer operation times and higher energy consumption. Conversely, an oversized heat pump can also be inefficient as it may cycle on and off frequently.

Heat Pump Efficiency: The coefficient of performance (COP) is a measure of a heat pump’s efficiency. Higher COP values indicate that the heat pump is transferring more heat for each unit of electricity consumed. Opting for a heat pump with a higher COP can lead to lower electricity consumption.

Water Volume and Surface Area: Larger pools require more energy to heat as they have a larger volume of water. Additionally, the surface area of the pool affects heat loss to the environment. Pools with larger surface areas may experience higher heat loss, necessitating more frequent heating and potentially increasing electricity consumption.

Usage Patterns: How often and for how long you use your pool influences the heat pump’s operation. Pools that are frequently used or kept at a constant temperature will require more energy to maintain the desired warmth.

Insulation and Cover: Proper insulation and using a pool cover when the pool is not in use help retain the heat generated by the pump. Insulation prevents heat loss, reducing the frequency at which the heat pump needs to operate, ultimately saving energy.

Maintenance and Cleanliness: Regular maintenance, including cleaning the heat exchanger and filters, ensures optimal performance. A well-maintained heat pump operates more efficiently, consuming less energy.

Installation and Location: Proper installation and positioning of the heat pump can impact its efficiency. Ensuring adequate airflow around the unit and proper placement can help the heat pump operate efficiently.

How Much Power Do Pool Lights Use

Traditional incandescent bulbs used for pool lighting typically range from 300 to 500 watts. LED pool lights, on the other hand, are much more energy-efficient and consume significantly less electricity. LED lights can use as little as 42 watts, saving up to 90% of electricity compared to incandescent or halogen lights.

To put it into perspective, a 500-watt pool light bulb can cost about a dollar a day to run, resulting in hundreds of dollars in electrical expenses each year if used frequently. In contrast, an LED pool light like the Color Splash only uses 33 watts and costs around 4 cents per day to use, which amounts to less than $10 per year.

Factors Affecting Electricity Consumption of Pool Lighting

Pool lighting not only enhances the aesthetic appeal of your pool area but also provides safety and visibility during nighttime swims and gatherings. However, the electricity consumption of pool lighting can vary based on several factors. Understanding these factors can help you make informed decisions about the type of lighting to use and how to manage energy consumption effectively.

Type of Lighting: The type of lighting you choose significantly impacts electricity consumption. Traditional incandescent bulbs consume more energy compared to energy-efficient alternatives like LED (light-emitting diode) lights. LED lights are not only more energy-efficient but also have a longer lifespan, reducing maintenance and replacement costs.

Number of Lights: The number of lights installed in and around your pool area directly affects energy consumption. More lights generally require more electricity to operate. Balancing the desired ambiance with energy efficiency is crucial.

Wattage of Bulbs: The wattage of the light bulbs determines their energy consumption. Higher wattage bulbs use more electricity. When selecting bulbs, consider lower wattage options that still provide sufficient illumination for your pool area.

Duration of Operation: How long you keep your pool lights on each night influences overall electricity consumption. Using a timer or smart lighting controls can help you schedule the lights to be on only when needed, reducing unnecessary energy usage.

Lighting Intensity and Color: The intensity and color of the lights can affect energy consumption. Brighter and more intense lights may consume more electricity. Additionally, colored LED lights can have different energy requirements depending on the color mode chosen.

Efficiency of Fixtures: The efficiency of the lighting fixtures used also plays a role. Well-designed fixtures can distribute light more effectively, reducing the need for additional fixtures and lowering overall energy consumption.

Maintenance: Regular maintenance, including cleaning the light fixtures and replacing any malfunctioning bulbs promptly, ensures optimal performance. Dirty or damaged fixtures can lead to reduced lighting efficiency and increased energy usage.

Solar-Powered Lighting: Solar-powered lights use renewable energy from the sun to illuminate your pool area. While they require an initial investment, they can significantly reduce ongoing electricity costs.

Lighting Design: The placement and arrangement of lights influence both aesthetics and energy consumption. Strategic placement can ensure even illumination while minimizing the number of fixtures required.

Automation and Controls: Using smart lighting controls, such as dimmers, timers, and motion sensors, can help you tailor lighting usage to specific times and activities, reducing energy waste.

How Many Watts Does a Water Feature Pump Use

Pool water features, such as fountains, waterfalls, and jets, can vary in power consumption depending on their size, design, and the type of pump used. The power usage of pool water features is typically measured in watts (W) or kilowatts (kW).

The power consumption of a pool water feature primarily depends on the size and capacity of the pump. Smaller water features with smaller pumps may consume around 50-200 watts of power, while larger and more elaborate water features with powerful pumps can consume several hundred watts or even kilowatts of power.

To estimate the power consumption of a pool water feature, you can check the wattage rating of the pump and calculate the energy usage based on the number of hours the water feature operates each day. For example, if you have a 300-watt pump running for 8 hours a day, the energy consumption would be 2,400 watt-hours or 2.4 kilowatt-hours (kWh) per day. Multiply this by the number of days the water feature operates to get the monthly or annual energy usage.

It’s important to note that the power consumption can also be affected by additional features such as lighting or water jets. These features may have their own power requirements, so be sure to consider them when estimating the overall power consumption.

Additionally, using more energy-efficient pumps or considering the use of solar-powered pumps can help reduce the power consumption of pool water features and make them more environmentally friendly. Solar-powered pumps utilize energy from the sun, reducing or even eliminating the reliance on traditional electricity sources.

Smart Strategies to Save on Monthly Pool Electrical Costs

Owning a pool is a source of relaxation and joy, but it’s essential to manage the associated costs effectively. One significant aspect of these costs is the electricity required to operate pool equipment such as pumps, heaters, and lights. Fortunately, there are several proactive strategies you can adopt to keep your monthly pool-related electricity expenses in check.

Upgrade to Energy-Efficient Equipment: One of the most impactful steps you can take is to invest in energy-efficient pool equipment. Traditional single-speed pumps consume a substantial amount of energy. Upgrading to variable-speed or two-speed pumps allows you to tailor the pump’s speed to your pool’s specific needs. These pumps can operate at lower speeds during filtration, saving energy without compromising water quality.

Use LED Lighting: Gone are the days of energy-hungry incandescent bulbs for pool lighting. LED lights are a game-changer in terms of energy efficiency. LED pool lights consume up to 80% less energy than their incandescent counterparts and last significantly longer. They also offer versatility in terms of colors and lighting effects, allowing you to create an inviting pool ambiance while keeping energy consumption low.

Install a Pool Cover: A pool cover isn’t just for keeping debris out of your pool; it’s a vital tool for energy conservation. By covering your pool when it’s not in use, you minimize heat loss through evaporation. This, in turn, reduces the workload on your pool heater, resulting in lower electricity consumption. Additionally, a pool cover helps maintain water temperature, saving energy that would otherwise be used to reheat the pool.

Optimize Pump Operation: Running your pool pump efficiently can make a noticeable dent in your electricity bill. Instead of running the pump continuously, consider using timers or automation systems to regulate its operation. Running the pump during off-peak hours when electricity rates are lower can result in significant savings. Additionally, adjusting the pump’s runtime to match your pool’s size and filtration needs ensures efficient circulation without unnecessary energy use.

Use Timers and Automation: Modern pool automation systems offer advanced control over your pool equipment. Programmable timers allow you to set specific schedules for different equipment, ensuring they run only when needed. For instance, you can schedule the pump, heater, and lights to turn on and off automatically, eliminating the risk of forgetting to switch them off manually.

Set Optimal Temperatures: While a warm pool is inviting, setting your pool’s temperature too high can lead to excessive energy consumption. Maintaining the water at a comfortable temperature rather than overly warm levels reduces the workload on the heater. Even a slight adjustment can translate into substantial energy savings over time.

Regular Maintenance: Proper maintenance of your pool equipment is essential for energy efficiency. Clean filters regularly to ensure optimal water flow and efficient filtration. Clear debris from pump baskets and skimmers to prevent strain on the pump motor. Regularly inspect your pool heating system and clean the heat exchanger to maximize its efficiency.

Solar Heating: For those looking to embrace renewable energy, solar heating systems are an eco-friendly option. Solar heaters utilize energy from the sun to warm your pool water, reducing your reliance on traditional heating methods. While there’s an initial investment involved, solar heaters can significantly cut down on your pool-related energy expenses in the long run.

Minimize Water Features Usage: Water features such as waterfalls, fountains, and jets can add a touch of luxury to your pool area. However, they also contribute to electricity consumption. Using these features selectively, such as during special occasions or when you’re entertaining, can help reduce their impact on your energy bill.

Opt for Energy Audits: Consider scheduling an energy audit specifically tailored to your pool setup. An energy professional can assess your pool equipment, identify areas where energy efficiency can be improved, and provide personalized recommendations for energy-saving upgrades.

Monitor Energy Usage: Keeping track of your pool-related electricity consumption is an excellent practice. Monitoring usage patterns over time can help you identify any unusual spikes in energy consumption. Addressing such anomalies promptly can prevent potential equipment malfunctions that might lead to higher energy usage.

Educate Yourself: Staying informed about energy-efficient practices and the latest technologies in pool management is invaluable. Regularly research and learn about advancements in pool equipment, automation systems, and lighting options. This knowledge empowers you to make informed decisions that align with your budget and environmental concerns.


Owning a pool brings a world of enjoyment and relaxation, but it also comes with financial considerations, particularly when it comes to monthly electricity costs. By delving into the nuances of pool ownership expenses, we’ve shed light on the factors that influence these costs and provided strategies to help you manage them effectively.

From pool size and equipment efficiency to regional climate and energy rates, understanding the intricacies of your unique pool setup empowers you to make informed choices. Balancing the desire for a refreshing oasis with the goal of responsible energy usage requires thoughtful planning and strategic actions.

Remember, the cost of electricity for a pool can vary widely, spanning from modest sums to more significant expenses. However, armed with knowledge, you have the tools to optimize your pool’s energy consumption and minimize its impact on your monthly budget.

Frequently Asked Questions (FAQs)

1. How much does it cost to run a pool pump in the winter?

The cost to run a pool pump in the winter will depend on various factors, including the size and efficiency of the pump, the local electricity rates, and how long the pump is run each day. Generally, running a pool pump in the winter is less expensive compared to running it in the summer, as the colder temperatures require less filtration and chemical treatment.

2. Is it better to run your pool pump at night or day?

It is generally recommended to run your pool pump during the day. Running the pump during daylight hours allows for better circulation and filtration of the pool water. The sunlight and heat during the day can promote the growth of algae, so having the pump running can help prevent this issue. Additionally, running the pump during the day ensures that the pool water is being filtered and circulated while it is being used, maintaining its cleanliness.

3. How many hours should a pool pump run each day?

A pool pump should typically run for about 8 hours each day. This is considered the minimum amount of time required to complete one turnover cycle, which means that all the water in the pool is filtered and circulated. However, the pump doesn’t have to run continuously for 8 hours. It can be divided into multiple shorter cycles, such as 3 hours in the morning and another 5 hours in the evening.

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Written By Scott Keller

Scott Keller is an experienced pool industry professional with over 20 years of expertise in gunite pool design, construction, and maintenance.

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