Otis Singleton
Solar energy is an increasingly popular way to save money on electricity bills. While it is possible to sell solar energy back to the power company, it is not a significant money-making scheme. When you install solar panels, your solar installer will likely build a system that generates slightly less energy than your home uses in a year. However, there will be times when your solar panels produce more energy than your home uses, and this excess energy is fed back into the power grid. In return, you will receive credits from the energy company, which will reduce your overall power bill. The amount of money you can make from selling electricity back to the grid varies with the market value of electricity, but some home producers make around $0.04 to $0.08 per kWh sold.
How to sell electricity back to the electric company
| Characteristics | Values |
|---|---|
| Requirements | Solar panels, grid-tie inverter, utility meter, permits, agreements, electricity generator’s license, qualified power-generating assets |
| Process | Connect solar system to the grid, produce excess power for your home or business, upload excess energy to the grid for community use |
| Benefits | Save money, lower carbon footprint, receive credits from the energy company to offset future energy costs |
| Drawbacks | May not be a significant money-making scheme, utility companies may charge extra fees for permits, inspections, and meters |
| Rates | Vary with the market value of electricity, some home producers make $0.04 to $0.08 per kWh sold back to the grid |
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What You'll Learn
Net metering and how it works
Net metering is a billing mechanism that allows residential and commercial customers who generate their own electricity from solar power to sell unused electricity back into the grid. It is a key policy that drives most solar panel installations.
Net metering works by measuring the energy your solar panels produce and matching it against your power consumption. When your solar panels produce more electricity than you are using, the excess energy is sent back to the grid, running your electric meter in reverse and earning you credits. On the other hand, when your energy use is higher than your solar panel production, you can draw electricity from the grid and use the credits you've accumulated. At the end of the billing cycle, you may have a net credit or a balance to pay.
Net metering is not available in all locations or from all electricity providers. It is important to check with your electricity provider for the most up-to-date information, as regulations vary from state to state and company to company. Additionally, some utility companies require additional equipment, permits, or agreements before you can sell power back to the grid.
Net metering is a great way to lower your carbon footprint and save money on your electric bill. While it won't make you a millionaire, some home producers make around $0.04 to $0.08 per kWh sold back to the grid, and the average business or homeowner can expect to make around $3,000 per year in energy overproduction.
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The equipment you need
Solar Panels
Solar panels are a common way to generate electricity to sell back to the grid. The number and size of panels you need will depend on how much electricity you want to generate. On average, panel output is between 250-400 watts, and it takes a roughly 6.5 kW solar system to offset an American household's usage.
Grid-Tie Inverter
If you plan to set up net metering, you will need a grid-tie inverter to send power back to the grid. These systems convert direct current (DC), which solar power uses, to alternating current (AC), which is what the power grid uses.
Meters
You will need a meter to measure the amount of electricity you are selling back to the grid. The type of meter will depend on the requirements of your local utility company and the type of generating system you have. For example, if you are selling electricity generated by a small generator to Consumers Energy, you will need an interval meter to measure the electricity delivered at each hourly interval.
Permits and Agreements
Before you can start selling electricity back to the grid, you may need to obtain permits or agreements from your local utility company or energy regulator. This could include liability insurance to protect your utility provider in the event of an accident from your power system. There may also be additional fees for permits, inspections, and meters.
Generator
If you are not using solar panels, you will need another type of generator, such as a wind turbine. The type and size of the generator will depend on the amount of energy you want to generate and the requirements of your local utility company.
It is important to note that regulations and policies can vary from state to state and company to company. Be sure to check with your local utility company and energy regulator to understand the specific equipment requirements for selling electricity back to the grid in your area.
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The permits and agreements required
Permits
- Grid-tie system permit: While not necessary, a grid-tie system allows you to easily switch between your solar power and the electric grid.
- Installation permits: Some companies may require permits for the installation of equipment, such as meters and inverters. These permits ensure that your system meets local building codes and safety standards.
- Local and state permits: Depending on your location, you may need to obtain permits from local authorities or state agencies. These permits may relate to the installation, operation, or interconnection of your solar system to the grid.
- Electricity-generating license: In some cases, you may need to obtain a license to generate electricity, especially if you plan to sell power in significant quantities.
Agreements
- Net metering agreements: Many utility companies offer net metering programs, which allow you to receive credits or financial compensation for the excess electricity you feed into the grid. These agreements can vary from state to state and company to company, so be sure to review the specific terms and conditions.
- Power Purchase Agreements (PPAs): PPAs are contracts between electricity generators and purchasers. They outline the terms and conditions for selling your excess electricity back to the company. PPAs can be tailored to suit your specific requirements, such as the type of renewable technology used.
- Interconnection standards: Understanding the authorization process and technical requirements for connecting your solar system to the grid is crucial. This includes ensuring your system meets safety and performance standards set by relevant authorities, such as the California Public Utilities Commission (CPUC) in the case of California.
- Liability insurance: Some utility companies may require you to obtain liability insurance to protect them in the event of an accident related to your power system. Check with your insurance carrier and utility company to confirm their specific requirements.
It is important to consult with experts, such as reputable solar installers or companies specializing in solar energy installations, to guide you through the specific permits and agreements required for your particular situation. They can provide valuable insights into local regulations and the permitting process.
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How much money you can make
The amount of money you can make from selling electricity back to the grid depends on your place in the market. If you are a retail consumer, you cannot get paid for electricity in the same way that generators do. However, you can benefit financially from sending electricity back to the grid from solar systems or other distributed energy resources through net metering. Net metering credits can add up and help to offset energy costs, and they are a great way to lower your carbon footprint and save money on your electric bill.
Net metering credits work by tracking the total kilowatt-hours generated by a solar system against the total amount of kilowatt-hours consumed in a building. If there is excess power generated from the solar system, the consumer receives a billing credit for that amount of electricity, for use when their system isn't generating. The utility company keeps track of how many kilowatt-hours (kWh) are uploaded to their grid and issues a credit for that same amount of electricity. The average business or homeowner can expect to make around $3,000 per year in an overproduction of energy. However, it is important to note that many states are adopting capacity limits for net metering, and there may be restrictions on the total solar system size in comparison to the building's energy usage.
If you are a power generator, you can earn money from grid operators for all units of electricity fed onto the grid after registering with the grid operator, getting licensed, and building a power plant. Electricity prices are set by the grid operator each hour based on auction results among power generators, and they can rise substantially during hours of high demand, allowing generators to earn healthy profits. These companies are also compensated for electric capacity fees for their participation in the market.
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The reimbursement process
Before you begin, you should check the requirements of your utility company, including their interconnection standards and the authorization process for connecting your solar power to the grid. Some utility companies may require additional equipment or permits, such as a grid-tie inverter, which converts direct current (DC) used by solar power to alternating current (AC) used by the power grid. You will also need a utility meter to determine how much power is being drawn from and pushed to the power grid.
Once you are set up and your solar panels are generating more energy than your home is using, the excess energy will be sent back to the power grid and dispersed by the utility company. In return, you will receive credits from the energy company, which will roll over on your energy bill and reduce your overall power costs. These credits are typically based on the retail price of electricity, but they may only cover the 'generation' portion of the electric cost, excluding transmission costs.
It is important to note that net metering is not the same as being directly reimbursed for excess power. While it can provide financial benefits by reducing your power bill, it is not a significant money-making scheme. Additionally, some states and utility companies have adopted capacity limits for net metering, restricting the amount of power that can be sold back to the grid.
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Frequently asked questions
You can sell electricity back to the electric company through net metering. This is when your solar panels generate more energy than your home uses, and the excess energy is fed back to the power grid. You will then receive credits from the energy company, which will reduce the overall cost of your power bill.
Aside from solar panels, some utility companies require additional equipment or permits. You will need a grid-tie inverter to send power back to the grid, and a utility meter to determine how much power is being drawn from and pushed to the power grid.
There is no set dollar figure as rates vary with the market value of electricity. However, some home producers make from $0.04 to $0.08 per kWh sold back to the grid.
Yes, you need an electricity generator's license and qualified power-generating assets.
The utility company keeps track of how many kilowatt-hours (kWh) are uploaded to their grid and then issues a credit for that amount of electricity for you to use for free when your system isn't generating.
