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Washington State 54 solar panels available
4.86 peak sun hours
Pick solar panels with good performance on cloudy days
12 years payback time
A solar power system in Washington pays for itself a couple of times during its lifespan
Sell your excess energy into the grid with Net Metering program
Gain credits from utility company and pay your bills with them
Solar Renewable Energy Certificate can cost up to $350
Collect SRECs for having solar and sell them to utilities
Solar systems under 100 kW are eligible for sales tax exemption
Purchasing solar in Washington is cheaper
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The US government wants more people to go solar: it’s a modern and green way of getting energy. This is why the Solar Investment Tax Credit (ITC) program was developed. It allows American citizens to claim 30% of the cost of their installation as an income tax deduction. The cost here is not only solar panels, but also shipping, installation expenses and more. For example, if your system overall made you spend $10,000, the government returns you $3,000. To claim the ITC, complete all the necessary forms and submit them when filing your taxes.
Net Metering is the main way in which a solar system pays for itself in the US. The idea is always the same: you sell your excess solar energy into the commercial grid, gain credits and use them to cover your next electric bill.
All municipal utilities and electric cooperatives in Washington have to offer Net Metering to customers with solar systems that are up to 100 kW in size. Net excess generation (NEG) is credited to your electric bills at the utility retail rate. Any unused NEG is surrendered to the utility every April 30 with no compensation. The only exception is Grays Harbor PUD which reimburses NEG of its customers at 50% of the utility's retail rate by the end of the year. Renewable energy credits that you get remain yours. Consult with your utility company about the rates and conditions of Net Metering.
For generating clean electricity any person can get Solar Renewable Energy Certificates (SRECs). Unlike with Net Metering, you don’t need to sell any electricity to get credits – the certificates are simply given to you. One SREC is granted for 1 MW of power. A 5kW system can generate over 7 MW over the year, so in theory it’s possible to get 5-7 SRECs in 12 months if you send all your energy into the grid.
You can choose to store or sell these certificates using the WREGIS platform. In Washington, Renewable Energy Certificates are bankable for 12 months and can be used by utilities for prior year's compliance. The value of SRECs is always changing, which makes them similar to stock market assets. In Washington the cost of a SREC can be quite high: around $350. Overall, selling SRECs could bring you from $350 to $2,000 annually for a 5kW system. To participate, register your system at the WREGIS website.
Clark Public Utilities issues loans for solar projects for up to 7 years. The maximum size of the loan is $30,000 with an interest rate of 3.5%. Loans under $10,000 must be repaid in 5 years or less with a minimum $25 monthly payment. The processing fee is $230 for loans under $5,000 and $450 otherwise. Find the list of conditions and apply here.
This Washington solar incentive benefits installers and buyers of solar systems. Solar panels and equipment get full sales and use tax exemption if:
To report the exemption, the buyer must provide their seller and installer with a Retail Sales Tax Exemption Certificate. They have to keep it in their records for 5 years. If the tax was charged, it is possible to apply for a refund later. For more information visit Washington Department of revenue website and read the guide.
In 2006, a Renewable Energy System Incentive Program started in Washington. The idea was simple: utilities give incentives to their customers with solar installations and earn a tax credit equal to the cost of those payments. The size of an incentive ranges from $0.02/kWh to $0.12/kWh with a $5,000 per year cap for residential clients and $25,000 per year for commercial solar systems in Washington. The program hasn’t ended officially, but since then some utilities have withdrawn from the program and the last time the program website was updated was in 2019. Nevertheless, it makes sense to inquire of your utility if this incentive is still available.
To make sure that your panels get enough sunlight and won't be overshadowed by, say, trees on your neighbors land, you can create a solar easement. All the conditions of an easement you have to negotiate with your neighbors yourself. The easement should be written down and recorded in the county’s register of deeds. In Washington, solar law also restricts homeowners associations from prohibiting the installation of panels. They can, however, release guidelines related to aesthetic appearance and visibility of panels.
Generally, in the US you would need a solar permit from your local authorities to install a solar system. Requirements, however, vary in different cities and counties. For example, in Seattle you always need an electric permit and a building permit in some cases. Seattle officials have put out a guide on solar installation that gives an idea of what you can expect. Usually your installer knows all the details about permits in your area and handles most of the process. After the permit is obtained, it is legal to install solar panels on your house in Washington. Be aware that city or county officials can impose additional fees on you for inspections and documents.
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