
Increasing the electrical service to your house can be a complex and costly process, but it is a valuable home improvement project that can increase your home's value and improve safety. Upgrading to a 200-amp service is a common way to increase electrical capacity to meet modern power demands, such as running air conditioners, computer equipment, and high-tech devices. This typically involves replacing the electric meter, service wire, and main panel, and it is recommended to consult and hire a licensed electrician to perform the upgrade due to the complexity and potential dangers of working with electrical systems. The cost of upgrading to a 200-amp service can range from \$2,000 to \$15,000, depending on various factors, and may take several weeks to complete.
How to increase electrical service to a house:
| Characteristics | Values |
|---|---|
| Complexity | Complex |
| Value | Improved safety, increased capacity, and potential increased home value |
| Cost | $800 to $3,000 for upgrading the electrical service panel to 100 or 200 amps; $3,500 to $8,000 for rewiring an average-sized home; $20,000 or more for larger homes or homes with restricted access |
| Time | Depends on the exact type of existing panel or fuse box, replacement panel, original wiring methods, and available access to the project area |
| Professional Expertise Required | Yes |
| Power Disconnecting/Reconnecting Time | 4-8 hours |
| Permit | Open permit and book an inspection with the Electrical Safety Authority (ESA) |
| Certificate | Certificate of Inspection issued by ESA after inspection |
| Precautions | Never work on energized circuits; consult your local building department about permits and inspections for all electric wiring projects |
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What You'll Learn

Upgrading to 200-amp service
The process involves replacing the electric meter, service wire, and main panel to accommodate increased electrical capacity. The cost to upgrade to 200-amp service is between $750 and $2,000, with the 200-amp option typically only costing $100 to $200 more than the 100-amp option.
It is important to note that upgrading to 200-amp service is a dangerous task that requires professional tools and experience. You will need to hire a local electrician to upgrade your home's amperage. The electrician must plan how to install the new panel and reinstall the existing circuit wiring, factoring in the age of the home, the type of siding, and how the new service will be fed with electrical service from the utility company.
Additionally, the utility company will disconnect the electrical service, leaving the home without power. After careful planning, it is often possible for the electrician to complete the project using only battery-powered tools. However, if regular power is required, the electrician may bring a generator, or permission may be sought to run an extension cord.
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Replacing the electrical panel
Upgrading the electrical panel of a house is a complex task that requires careful planning and professional expertise. It is a valuable investment that increases the electrical capacity of the home, improves safety, and can even increase the resale value of the property.
The process of replacing the electrical panel involves several steps. Firstly, it is crucial to consult a licensed electrician to determine if an upgrade is suitable for your home. The electrician will assess the existing panel's condition, the number of electrical circuits, and the specific requirements of the job site.
The next step is to disconnect the existing panel from its power source. This is a critical safety precaution to ensure that no one is at risk of electrical shock during the replacement process. Once disconnected, the old circuit breakers should be replaced with new ones that match the desired amperage of the upgraded panel.
After installing the new circuit breakers, a ground fault interrupter hookup is essential for added safety. This device helps prevent electrical accidents by monitoring the flow of current and quickly interrupting the power if a potentially dangerous situation is detected.
Finally, all bolts and screws should be secured, and connections should be carefully inspected before reconnecting the new panel to its power source. It is imperative to verify that all connections are secure and correct to prevent electrical issues and ensure the system's proper functioning.
Upgrading an electrical panel is a significant undertaking, and costs can vary depending on the specifics of the job. It is recommended to consult with a licensed electrician to obtain an accurate estimate for your particular situation.
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Hiring a licensed electrician
Upgrading the electrical service to your house is a complex process that requires professional expertise. It involves replacing the electric meter, service wire, and main panel to accommodate increased electrical capacity. Due to the inherent risks associated with electrical work, it is strongly recommended to hire a licensed electrician for such projects. Here are some important considerations when hiring a licensed electrician:
Safety: Electrical work can be extremely dangerous, with risks ranging from electrical shocks to falls from ladders. Licensed electricians have the necessary training and expertise to operate machinery and navigate these hazards safely. They are also familiar with the relevant safety practices and building codes, ensuring that the work meets the required quality standards.
Insurance: Hiring a licensed electrician provides you with added protection. In the unfortunate event that the electrician sustains an injury while working on your property, their general liability insurance will cover any injuries or damages to your belongings. Additionally, a surety bond ensures that you, as the client, are safeguarded from any potential fraud or misconduct by the electrician.
Experience and Qualifications: Licensed electricians have undergone extensive training and apprenticeship programs, accumulating thousands of hours of practical experience. They possess the technical knowledge and skills to handle various electrical issues, from adding outlets to rewiring your home. Before hiring, ensure they have the relevant qualifications, including completion of a technical college program and experience working on similar projects.
Permits and Licensing: Licensed electricians are well-versed in the permitting process, saving you the hassle of navigating the complex and time-consuming procedures. They are also familiar with the local and state licensing requirements, ensuring compliance with the necessary electrical codes and standards.
Peace of Mind: Engaging a licensed electrician gives you the assurance that the job will be done correctly and safely. They have the expertise to plan and execute the upgrade, taking into account the age of your home, the type of siding, and the electrical service provided by the utility company.
When hiring a licensed electrician, you can ask friends for recommendations, consult your general contractor, or contact your local home builders' association or electrical supply house. Remember to verify their licensing status and ensure they meet the specific requirements of your state or municipality.
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Cost of upgrading
The cost of upgrading your electrical service panel to a 100- or 200-amp panel is $800 to $3,000. The cost to update an electrical panel ranges from $1,200 to $2,000. The price for a whole-house rewiring job is $3,500 to $8,000 for an average-sized home. For a larger home, or a house with restricted access to a crawl space and exterior walls, the cost may reach $20,000 or more for labor and materials.
The cost of upgrading your electrical service largely depends on how much power your home uses. The amperage draw of the circuits in your home determines the power needed in a fixed 120/240-volt system. Your home's size and electrical needs, or its electrical load, will determine the best amperage for your new panel.
If your home is running on 100 amps or below, you may want to upgrade your electrical panel and service. If you have 100-150 amps, you might be able to get by without upgrades or with less costly updates, but it depends on your home and goals.
Upgrading your home's electrical service to 200 amps can help support modern power demands. This process involves replacing the electric meter, service wire, and main panel to accommodate increased electrical capacity.
There are ways to offset the costs of upgrading your electrical service. The Inflation Reduction Act provides a 30% federal tax credit capped at $600 per year if the upgrade is completed to enable additional qualified home energy projects. The tax credit is uncapped if the upgrade is completed in conjunction with installing solar electricity. Lower-income families can qualify for a rebate of up to $4,000.
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Safety considerations
Safety should be a top priority when increasing electrical service to your house. Here are some detailed safety considerations to keep in mind:
Hire a Licensed Electrician: Upgrading your electrical service is a complex and potentially dangerous task that requires professional expertise. Always hire a licensed electrician with experience in electrical service upgrades. They will have the necessary skills and knowledge to complete the job safely and effectively.
Plan and Prepare: Before beginning any work, the electrician should carefully plan the installation of the new panel and the reinstallation of existing circuit wiring. They should also factor in the age of the home, the type of siding, and how the new service will be connected to the electrical service from the utility company.
Power Disconnection: The utility company will typically disconnect the electrical service during the upgrade, leaving the home without power. The electrician should ensure they have the necessary tools and equipment to work safely in these conditions, such as battery-powered tools or a generator.
Permits and Inspections: Consult with your local building department about permits and inspections required for electrical wiring projects. Ensure your electrician pulls all necessary permits and follows the required procedures to comply with local regulations.
Electrical Safety: Follow basic electrical safety practices during the upgrade. This includes never working on energized circuits, using the proper tools and equipment, and ensuring safe handling and storage of power cords to prevent damage.
Post-Installation Testing: Once the new electrical panel is installed, the electrician should fully test and document its functionality to ensure it is working safely and properly. They should also provide you with information on the safe use and maintenance of the new electrical service.
Remember, safety is paramount when dealing with electricity. Always prioritize hiring a qualified professional and adhering to safety protocols to protect yourself, your family, and your property.
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Frequently asked questions
Upgrading electrical service typically involves replacing the electric meter, service wire, and main panel to accommodate increased electrical capacity. This process is complex and potentially dangerous, so it is best left to a professional electrician.
Upgrading your electrical service can improve safety, increase the capacity of your electrical circuits, and support modern power demands for appliances such as air conditioners, computers, and high-definition televisions. It can also increase your home's resale value.
The cost of upgrading to a 100- or 200-amp panel can range from $800 to $3,000. However, prices can vary depending on the specific circumstances and may reach $20,000 or more for larger homes or those with restricted access.
The time required for an upgrade depends on various factors, including the type of existing panel, the replacement panel, and the wiring methods used. In some cases, the power disconnect and reconnect process can take 4-8 hours, but the entire project may span several weeks.
Ensure that you consult a licensed electrical contractor and obtain any necessary permits and inspections. Be cautious and never work on energized circuits. If regular power is required during the upgrade, consider using a generator or asking permission to use an extension cord.



































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