So, you already installed a solar power system, but your energy usage has increased. Can you expand your photovoltaic array in order to meet your household electricity needs?
Most likely, the answer is yes. However, adding more solar panels to an existing photovoltaic array can pose a few challenges. Here are five factors to consider before making plans to expand your solar power system.
Do you have room for more solar panels? If your photovoltaic array takes up most of the available rooftop space, expanding the system might mean looking for another installation spot. A carport, shed or gazebo could suffice, or you might want to pair your rooftop panels with a ground-mounted array.
Are the solar panels in your existing photovoltaic array still available? Installing more of the same type is best, as that ensures the power outputs and efficiencies match – plus, gong that route allows for a more aesthetically-pleasing appearance. If you must choose a different type, make sure the new panels are compatible to avoid system damage.
Does your photovoltaic array have a string inverter or micro-inverters? If it’s the former, you may need to consider a replacement when planning your system expansion – string inverters can only convert a certain amount of solar power to useable electricity. If you have micro-inverters, you’ll simply be installing an additional one with each new panel.
Will expanding your photovoltaic array require additional permits or another interconnection application? Depending upon how many solar panels you’re planning to add and whether you’re replacing your inverter, you might need to submit paperwork to your local building department and the utility company.
Does your original photovoltaic contractor work on system expansions? If so, hiring them for the project may be best, as the installers are already familiar with your property and the components in your photovoltaic array. If not, look for a reputable local contractor with expertise in add-on projects or ask your solar panel manufacturer for a recommendation.
Are you ready to add on to your solar power system? For expert advice on expanding a photovoltaic array in Utah, Idaho, Nevada, Wyoming or Oregon, turn to the experienced professionals at Intermountain Wind & Solar.
A trusted Intermountain West industry leader for more than a decade, Intermountain Wind & Solar has extensive expertise with both new installations and add-on photovoltaic projects. For a free, no-obligation consultation to discuss the costs and considerations in expanding your solar power system, contact us today.
In Utah, the average cost to add 1 kW of solar is $2,200 with Intermountain Wind & Solar’s best cost-per-watt pricing. Our 15+ years and thousands of installations keep your price 10% below regional averages. We offer zero-down financing and bulk purchase discounts to fit budgets under $5,000 per kW.
In Idaho, you can integrate Tesla Powerwall or other battery backups with new panels. Intermountain Wind & Solar has installed over 1,200 battery systems since 2008. Our in-house electricians handle all wiring and permits, ensuring seamless integration and deployment in under 10 days.
In Wyoming, existing inverters can often handle up to 10% more capacity; however, systems over 5 kW may require a larger string or central inverter. Intermountain Wind & Solar’s engineering team evaluates your setup and only recommends upgrades when necessary, optimizing performance and extending equipment lifespan by up to 20%.
In Oregon, permitting for system expansions typically takes 3–5 weeks with Intermountain Wind & Solar. Our in-house permit specialists have processed over 2,000 permits since 2008, reducing approval times by 25% versus industry norms. We handle all paperwork from start to finish.
In Utah, Idaho, Wyoming and Oregon, Intermountain Wind & Solar offers 5 financing options including zero-down loans, 20-year terms at 3.99% APR, and bulk panel discounts. Since 2008, we’ve helped 3,500 homeowners choose plans that lower monthly payments by an average of $75, making expansion projects more affordable.
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