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What Size Generator To Run A 2000 Sq. Ft. House?

Power outage caused by hurricane

Power outage caused by hurricane-1

When it comes to powering a 2000 sq. ft. house, the question of what size generator to use can be daunting. But fear not, as we have the answers you need to ensure a reliable power supply for your home.

So, to make this clear, a generator capable of producing at least 30 kWh on average daily is essential to meet the demands of a house of this size. This critical piece of information serves as the foundation for your power needs and ensures that your household functions smoothly, even during power outages.

However, you might wonder what more this guide has to offer. Well, we'll delve deeper into understanding your home's power requirements, explore generator types and fuel sources, and provide practical tips on selecting the perfect generator size to suit your specific circumstances. So, if you want to ensure uninterrupted power for your 2000 sq. ft. house, read on to discover all you need to know about choosing the right generator size.

  • Why Sizing Matters: The Top Reasons?
  • Select A Generator Based On Your Needs
  • How To Calculate Your Home's Electricity Use?
  • Is It Better To Size Up Or Down?
  • Conclusion
  • FAQ
  • Why Sizing Matters: The Top Reasons?

    To ensure your home remains powered up, especially during those unexpected blackouts, having a generator is a game-changer. However, the true power of a home generator lies not just in having one but in having the right-sized one. Let's see the importance of sizing a home generator.

    1. Reliable Power Supply

    On a turbulent hurricane night when there's a power outage, you rely on your generator to keep the lights on, appliances running, and essential devices charging. But if your generator is undersized, you'll constantly struggle with flickering lights and devices shutting down unexpectedly. The right-sized generator ensures a consistent power supply, offering peace of mind during outages.

    2. Protecting Your Electronics

      Modern homes have sensitive electronic devices, from computers to smart TVs and refrigerators. Insufficient power can lead to voltage fluctuations that damage these gadgets. A properly sized generator provides clean and stable electricity, safeguarding your valuable electronics.

      3. Cost-Efficiency

        Choosing a generator that matches your home's power needs helps you avoid overspending on a larger unit. Oversizing may lead to unnecessary fuel consumption and maintenance costs. In contrast, a generator tailored to your requirements offers cost-efficient operation.

        4. Emergency Comfort

          During extended power outages, a well-sized generator ensures your comfort doesn't take a hit. Heating and cooling systems, hot water, and essential appliances like refrigerators and stoves remain operational, making challenging times more bearable.

          5. Extended Generator Lifespan

            Running a generator continuously at or near its maximum capacity strains the engine and reduces its longevity. Proper sizing ensures that your generator operates within its optimal range, extending its lifespan and reducing the need for frequent repairs.

            Determining Your Generator Size

            To find the right generator size for your home, you need to consider:

            • Total Load: Create a comprehensive list of all the electrical devices you want to power during an outage and their wattage requirements.

            • Starting vs. Running Watts: Some appliances, like refrigerators and air conditioners, have a higher starting wattage than their running wattage. Ensure your generator can handle these initial surges.

            • Sizing Calculators: Many generator manufacturers provide online sizing calculators to simplify the process. Input your appliances and their wattage; these tools will recommend an appropriate generator size.

            • Professional Advice: Consult with a professional electrician or generator expert when in doubt. They can conduct a load analysis of your home and recommend the ideal generator size.

            Select A Generator Based On Your Needs

            The choices of choosing generators are abundant, and finding the one that totally aligns with your needs can be a game-changer. Here are different types of generators, including solar, gas, and propane, highlighting their unique characteristics, benefits, and ideal use cases. 

            Solar Generators

            BougeRV solar generator to run a 2000 sq. Ft. House combining a solar panel and a portable power station

            Solar generators operate in a way that's radically different from traditional gas and propane generators. Instead of relying on fossil fuels, they harness the boundless energy of the sun through photovoltaic (PV) panels and a balance of system components to convert sunlight into electricity.

            Solar generators shine as a sustainable and cost-effective solution for home backup power. Beyond backup, they can save you a substantial amount of money on your electricity bills over time. Once your solar payback period is complete, the money you save on utility bills becomes money earned.

            To choose the perfect solar generator, consider your specific needs. Whether you aim to power essential home appliances during a blackout or run your entire home with solar on an ongoing basis, there's an array of options available, like BougeRV portable generators for your backup and also help you on the go. Look for a solution with sufficient AC output and storage capacity to meet your family's needs.

            Pros of Solar Generators

            Cons of Solar Generators

            Sustainable and cost-effective

            Upfront cost of solar panels

            Clean and quiet operation


            Reduced electricity bills

            May require substantial sunlight

            Gas Generators

            Gas flat text with domestic appliances meter and tank on a white background

            Gas generators are a tried-and-true choice, fueled by gasoline that's easily accessible at any gas station. They come in various sizes, from small job-site generators to full-home backup systems. Gas generators are best suited for those who need occasional backup power. However, it's essential to note that gas can become expensive, particularly if it serves as your primary source of electricity.

            Gas generators have been a staple for decades. Their widespread availability and range of sizes make them a convenient choice. But remember the costs associated with gasoline and the occasional maintenance they require.

            Pros Of Gas Generators

            Cons Of Gas Generators

            Widely available

            Fuel costs can add up

            Versatile in size options

            Regular maintenance required

            Immediate power source

            Noise and emissions

            Propane Generators

            Propane generators operate using liquid propane (LPG), a cleaner-burning alternative to gasoline. Propane tanks are readily available and safer to store, with a longer shelf life than gasoline. While less common than gasoline models, propane generators offer quieter operation and extended lifespans. They are an excellent choice for those who prioritize clean energy and reliability.

            Propane generators may not enjoy the same popularity as gas models, but they have distinct advantages. Their quiet operation, longer lifespan, and cleaner emissions make them attractive.

            Pros of Propane Generators

            Cons of Propane Generators

            Clean-burning fuel

            Limited popularity

            Safer and longer shelf life

            Lower power output

            Quieter operation

            Higher upfront cost

            How To Calculate Your Home's Electricity Use?

            A calculator on the desk

            Understanding your household's electricity consumption is the essential first step in selecting the right generator to meet your power needs. While the average American household consumes around 30 kWh of electricity daily, your specific requirements may vary depending on the size of your home and your family's unique usage patterns.

            Step 1: Gather Your Utility Bills

            Start by collecting your recent electricity bills. You'll typically find your monthly electricity consumption measured in kilowatt-hours (kWh) on these bills. Look for the past 12 months to comprehensively view your usage.

            Step 2: Calculate Your Monthly Average

            Add up the total kWh from each of the 12 months and divide by 12 to find your monthly average consumption. This figure will provide a solid baseline for your electricity needs.

            Formula: Monthly Average Consumption (kWh) = Total kWh for 12 Months / 12

            Step 3: Factor In Seasonal Variations

            Consider whether your electricity usage varies significantly throughout the year. For example, you may use more electricity for heating or cooling during extreme weather conditions. If so, calculate separate monthly averages for high and low usage seasons.

            Step 4: Determine Your Daily Consumption

            To find your daily electricity consumption, divide your monthly average by the number of days in a month. This will give you a clear picture of your daily energy needs.

            Formula: Daily Consumption (kWh) = Monthly Average Consumption (kWh) / Number of Days in a Month

            Step 5: Plan For Generator Capacity

            Now that you have your daily consumption in kWh, you can decide on the generator size you need. To power your entire home without interruption during outages, you'll want a generator that can produce at least the same amount of electricity you use daily.

            Formula: Generator Size (kW) = Daily Consumption (kWh) / 24

            It's important to note that this calculation assumes continuous generator operation, which may only be necessary in some situations. If you only need essential appliances powered during an outage, you can choose a smaller generator with a selective load transfer switch.

            For BougeRV, the Fort 1500 1456Wh LiFePO4 Portable Power Station is designed to work harmoniously with solar panels. The fast-charging magic lies in the size of the attached solar array. In this case, a 400W 12V 10BB Mono Solar Panel takes center stage. But what does this mean for you? This size can produce around 1.5 kWh of electricity per day. To put that into perspective, that's enough to keep your electronic devices charged and ensure the fridge stays cold, preserving your food and beverages at home during power outages. Alternatively, the 1120Wh solar generator can sufficiently supply power to crucial electronics and lights during a blackout caused by a hurricane.

            Is It Better To Size Up Or Down?

            When choosing the right generator or solar energy system for your home, one critical question majorities do ask is if they should size up or size down, but let’s show you how this can impact your decision-making. 

            Sizing Up For Meeting Power Demands

            The average American household consumes approximately 886 kWh of monthly electricity, roughly 30 kWh daily. Sizing up means selecting a generator or solar energy system that can produce at least 30 kWh daily or more, depending on your power consumption, ensuring that all your power needs are met without compromise.

            The Benefits of Sizing Up:

            • Reliability: A well-sized system guarantees a consistent and reliable power supply, even during outages or periods of high demand.
            • Comprehensive Coverage: All your appliances, devices, and essential systems remain operational, providing uninterrupted comfort and convenience.
            • Future-Proofing: Sizing up allows for potential increases in power consumption as your household grows or your needs change.

            Sizing Down Option

            On the flip side, sizing down involves selecting a generator or solar energy system that doesn't aim to match your entire daily consumption. Instead, it focuses on optimizing energy use and prioritizing essential loads. This approach can be more sustainable and cost-effective. However, the most significant drawback of sizing down is the risk of inadequate power supply. During peak demand or power outages, you may struggle with flickering lights and appliances that don't function correctly. 

            Operating a system near or at its maximum capacity can lead to increased wear and tear, potentially shortening its lifespan and requiring more frequent maintenance. So, sizing up provides the comfort of knowing you have a reliable and future-proofed energy solution. It assures that your family's needs will be met, regardless of circumstances.


            So, determining the right generator size for a 2000 sq. ft. house ensures uninterrupted power during outages. Understanding your household's electricity consumption and considering your specific needs are key factors in making this decision.

            Whether you opt for a generator that matches your daily energy usage or choose to size up for added reliability, making an informed choice guarantees that your home remains well-powered and comfortable, no matter the circumstances. For more information about solar generators, take a look at our portable solar electric generator of various capacities!


            1. What Size Generator Would I Need for A 2000 Square Foot House?

            For a 2000-square-foot house, it is recommended to have a generator with a capacity between 8.5 kW and 10 kW to ensure it can adequately meet your electricity needs during power outages.

            2. How many solar panels do I need to power a 2000 sq ft house?

            To power a 2000-square-foot house with solar energy, you would typically require between 16 to 22 solar panels, depending on factors such as your location, energy consumption, and the panels' efficiency.

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            What Size Generator To Run A 2000 Sq. Ft. House?