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Frequently Asked Questions

Find some of our frequently asked questions from customers!

How do I choose a solar installer?2025-05-29T02:05:14-05:00

We recommend choosing a trusted, local installer like Wolf River Electric this ensures code-compliant design, proper permits, and reliable service.

Who handles permitting and design for solar installations?2025-05-29T02:04:52-05:00

Wolf River Electric manages the entire process including design, permits, and installation, making it hassle-free for homeowners.

Will solar panels increase my home’s value?2025-05-29T02:04:26-05:00

Yes, installing solar can increase your home’s value, and in many states, the added value is exempt from property tax.

What maintenance do solar panels require?2025-05-29T02:04:04-05:00

Solar panels need very little maintenance—occasional cleaning and basic monitoring are usually all that’s required.

Should I replace my roof before installing solar panels?2025-05-29T02:03:42-05:00

If your roof is over 15 years old or in poor condition, replacing it before installing solar is often recommended.

Will installing solar panels damage my roof?2025-05-29T02:03:20-05:00

No, a properly installed solar system should not damage your roof and can actually help protect the area it covers. Solar panels are mounted using sealed and flashed attachments, ensuring your roof remains weatherproof and protected.

How long does it take for solar panels to pay for themselves?2025-05-29T02:02:50-05:00

Most homeowners see a payback period of 6–12 years, depending on electricity rates, system cost, and available incentives.

Do I need battery storage for my solar system?2025-05-29T02:02:01-05:00

No, batteries are optional for most homeowners and primarily useful if you want backup power or greater energy independence.

Will my solar panels work during a power outage?2025-05-29T02:01:38-05:00

No, grid-tied solar panels shut off during outages unless paired with a battery backup system to provide power during blackouts.

What is net metering?2025-05-29T02:01:12-05:00

Net metering credits you for excess solar energy sent to the grid, offsetting your power use when the panels aren’t producing.

Do solar panels make noise?2025-05-29T02:00:49-05:00

Solar panels don’t produce noise—they operate silently and have no moving parts.

Do solar panels work at night?2025-05-29T02:00:25-05:00

No, solar systems do not work at night unless paired with battery storage to supply overnight power.

How do I monitor my solar system?2025-05-29T01:59:28-05:00

Check your system online or via app; Wolf River Electric provides monitoring tools and can assist with diagnostics if needed.

What warranties come with solar panels?2025-05-29T01:59:07-05:00

Wolf River Electric offers some of the best equipment and workmanship warranties, with most panels backed for 25 years.

What is a solar loan?2025-05-29T01:57:03-05:00

Solar loans allow you to finance the system over time while enjoying reduced energy bills from day one.

What happens when it snows on solar panels?2025-05-29T01:56:41-05:00

Snow can temporarily reduce solar output, but panels are angled to shed snow, and most systems still perform well year-round.

How long does installation take?2025-05-29T01:55:53-05:00

Installation usually takes 1–3 days, but the full process from quote to activation can take 3 – 6 months due to utility interconnection and permitting requirements that each system must go through.

What is the solar installation process like?2025-05-29T01:55:27-05:00

Wolf River Electric handles the full process, including permits, utility paperwork, and system design tailored to your home.

Can I go off-grid with solar?2025-05-29T01:54:48-05:00

Off-grid systems require large batteries for backups of generators; most homes stay grid-tied for reliability and financial savings.

What is a solar battery?2025-05-29T01:54:27-05:00

Batteries store solar energy for use at night or during outages, adding resilience and independence to your system.

How does solar help the environment?2025-05-29T01:53:49-05:00

Going solar can reduce your carbon footprint by thousands of pounds of CO₂ per year compared to grid electricity. Solar is no fuel generating source, once installed it simply works from sunlight.

What is the Federal Solar Tax Credit?2025-05-29T01:53:26-05:00

The Federal Solar Tax Credit allows you to deduct 30% of the system cost from your federal taxes—consult a tax pro for details.

What financing options are available for solar?2025-05-29T01:52:56-05:00

Yes, solar can be financed with loans, leases, or cash purchases, and many programs offer $0-down options.

Will I still get an electric bill with solar?2025-05-29T01:52:21-05:00

With grid-tied systems you will still have a utility bill, but solar can greatly reduce or even eliminate the electricity portion of it.

Can anyone get solar panels?2025-05-29T01:51:48-05:00

Solar is available to most homeowners, but roof condition, shading, and local regulations may affect eligibility or financial feasibility of the project.

Do solar panels work on cloudy days?2025-05-29T01:51:21-05:00

Yes, solar panels work on cloudy days at reduced efficiency, typically generating 10–50% of their rated output.

How many solar panels do I need?2025-05-29T01:50:57-05:00

Most residential solar panels are around 400-500 watts, with systems typically sized between 8 and 20 kW.

Do solar panels work in cold weather?2025-05-29T01:50:30-05:00

Panels continue working in cold weather and often perform better in cooler temperatures than hot ones.

Do solar panels work in winter?2025-05-29T01:50:06-05:00

Yes, solar panels work during winter months and generate electricity even in cold, snowy climates.

How big are residential solar panels?2025-05-29T01:49:42-05:00

Residential solar panels are usually about 5 to 7 feet long and 3 to 4 feet wide, weighing around 40–50 pounds each.

Is residential solar worth it?2025-05-29T01:49:12-05:00

Yes, residential solar can significantly reduce electricity bills, lock in energy rates, increase home value, and lower your carbon footprint.

How does residential solar work?2025-05-29T01:48:34-05:00

Solar panels convert sunlight into electricity using photovoltaic cells, powering your home through an inverter and syncing with the grid.

How much do residential solar panels cost?2025-05-29T01:47:54-05:00

Most residential systems cost between $25,000 and $45,000 before incentives, with exact prices depending on your energy needs, system type, and roof design.

How long do residential solar panels last?2025-05-29T01:47:15-05:00

Residential solar panels are typically warrantied for 25–40 years, with many continuing to produce energy well beyond the warranty period with minimal degradation.

What happens during the installation process?2025-05-20T13:45:15-05:00

The process starts with a site analysis and a custom system design. Once approved, permits are obtained and materials are ordered. Installation typically takes a few days to weeks, followed by inspection and utility interconnection. Our team handles everything from start to finish, including paperwork, project management, and post-installation support to ensure your system performs at its best.

How do I choose a solar installer?2025-05-20T13:44:40-05:00

Look for a solar company with extensive commercial experience, NABCEP-certified professionals, and a strong track record of successful installations. Make sure they understand local permitting, interconnection, and incentive programs. A good installer should provide clear timelines, strong warranties, and ongoing service and support.

What are my solar financing options?2025-05-20T13:44:22-05:00

Commercial solar can be financed through several models including cash purchase, solar loans, operating leases, and Power Purchase Agreements (PPAs). A cash purchase provides the highest ROI, while loans allow for low or no upfront cost and tax benefit retention. Leases and PPAs shift system ownership and maintenance to a third party, with fixed energy payments. Our team helps determine the most beneficial option based on your financial goals and tax position.

Will solar improve our company’s image?2025-05-20T13:44:02-05:00

Yes, installing solar demonstrates a commitment to sustainability and corporate responsibility. It positions your business as a forward-thinking leader and can enhance your brand with environmentally conscious customers and partners. Solar also contributes to ESG (Environmental, Social, and Governance) goals, which are increasingly important to investors and stakeholders. Publicizing your solar adoption can also generate positive PR and marketing opportunities.

Will installing solar increase our property’s value?2025-05-20T13:43:45-05:00

Commercial solar systems often increase the value of your property by reducing operating expenses and adding a reliable energy source. Buyers and tenants are attracted to properties with lower utility costs and sustainable features. In some markets, solar-equipped buildings can command higher rents or resale prices. Additionally, some jurisdictions offer property tax exemptions on solar improvements.

Do commercial solar panels work in winter?2025-05-20T13:43:27-05:00

Yes, solar panels work in winter and even in snowy conditions. As long as sunlight reaches the panels, they will produce electricity. In fact, cold temperatures can increase panel efficiency slightly. While output may be lower due to shorter days and occasional snow cover, systems in northern climates like Minnesota still perform well year-round.

What’s the average ROI on commercial solar?2025-05-20T13:43:09-05:00

The average return on investment (ROI) for commercial solar ranges from 8% to 15% annually. Most businesses see payback in 4 to 8 years, after which the energy savings contribute directly to the bottom line. ROI is improved further by federal tax credits, accelerated depreciation (MACRS), and local rebates. A properly sized and maintained system can outperform many traditional investments.

How much can a business save with solar?2025-05-20T13:42:49-05:00

Savings vary depending on energy usage, system size, and available incentives, but most businesses reduce electric bills by 30% to 90%. Over a 25-year lifespan, that can amount to hundreds of thousands of dollars. Additional financial benefits include tax credits, depreciation, and net metering credits. With rising utility rates, solar helps lock in energy costs for decades.

How does commercial solar work?2025-05-20T13:42:30-05:00

Commercial solar panels capture sunlight using photovoltaic (PV) cells and convert it into direct current (DC) electricity. An inverter then transforms that into alternating current (AC), which powers your facility. If your system produces more electricity than you use, the surplus can be sent back to the grid, often resulting in utility bill credits through net metering. This process reduces reliance on the utility and offers long-term financial savings.

Which type of solar panel is best for commercial use?2025-05-20T13:40:13-05:00

Monocrystalline panels are often the best choice for commercial applications due to their high efficiency and long lifespan. They perform well in both high- and low-light conditions and take up less space per watt. Polycrystalline panels may be more affordable but require more space and have lower efficiency. The best option depends on your space, budget, and energy goals.

What are the benefits of commercial solar systems?2025-05-20T13:39:52-05:00

Commercial solar provides lower electric bills, protection from energy price increases, and tax savings through federal and state incentives. It also improves your company’s sustainability profile and can increase property value. Many customers and partners prefer doing business with environmentally responsible companies. Over time, solar becomes a reliable and predictable source of savings.

How many solar panels does a business need?2025-05-20T13:39:30-05:00

The number of panels required depends on your building’s energy consumption, roof space, and panel wattage. For example, a business using 100,000 kWh annually might need a 75–100 kW system, or approximately 250–300 panels. We conduct a detailed analysis of your energy bills and facility layout to recommend the right system size. Our goal is to design a system that matches your financial and energy goals.

What is a commercial solar system?2025-05-20T13:37:38-05:00

A commercial solar system is a complete energy solution that includes solar panels, inverters, mounting hardware, and often monitoring software and optional battery storage. It’s designed to reduce or eliminate a business’s electricity bill by generating power from sunlight. Systems can be roof-mounted, ground-mounted, or installed on carports or awnings. Battery storage can also be added to provide backup power and maximize savings.

How are commercial solar panels installed?2025-05-20T13:37:18-05:00

The installation process begins with a site evaluation and engineering design tailored to your facility. After that, we handle permitting, order equipment, and install racking, panels, and inverters. Electricians connect the system to your building’s power and to the utility grid if applicable. After final inspections and approvals, your system goes live and begins producing clean energy.

What is the typical efficiency range for commercial solar panels?2025-05-20T13:36:57-05:00

Most commercial panels have an efficiency range of 18% to 21%, meaning they convert that percentage of sunlight into usable electricity. Higher-efficiency panels are often made from monocrystalline silicon and are ideal for space-limited applications. Lower-efficiency options like polycrystalline panels may be more affordable but require more space. Efficiency impacts both performance and cost over the long term.

How much do commercial solar panels cost in Minnesota?2025-05-20T13:36:32-05:00

In Minnesota, the average cost of a commercial solar system is around $2.90 per watt before incentives. A 100 kW system may cost about $290,000 but could be significantly lower after applying the federal Investment Tax Credit (ITC) and local utility rebates. Programs like Xcel Energy’s Solar*Rewards and commercial net metering improve financial returns. Additionally, Minnesota businesses may qualify for property tax exemptions and other benefits.

What is commercial solar?2025-05-20T13:36:11-05:00

Commercial solar refers to solar energy systems installed on business properties or commercial buildings to offset or eliminate electric utility bills. These systems typically include panels, inverters, racking, monitoring, and sometimes battery storage. They are connected to the building’s electrical system and may also export power to the utility grid. Commercial solar helps businesses lower operational costs and improve environmental performance.

How much energy does a commercial solar panel produce?2025-05-20T13:35:42-05:00

On average, a single commercial solar panel can produce between 1.5 to 2.5 kilowatt-hours (kWh) per day depending on local sun exposure, orientation, and weather conditions. Over the course of a year, this adds up to roughly 500 to 900 kWh per panel. The total system output scales with the number of panels installed. Energy production will vary slightly seasonally, with higher output in sunny months.

How big are commercial solar panels?2025-05-20T13:35:24-05:00

Most commercial-grade solar panels are approximately 6 feet by 4 feet and weigh between 40–60 pounds. Each panel typically generates 400 to 700 watts of electricity depending on its efficiency, physical size, and type. A 100 kW system may require 250 to 300 panels, depending on layout and panel wattage. The total space required depends on panel spacing, tilt, and the roof or ground area available.

How long do commercial solar panels last?2025-05-20T13:35:05-05:00

Most commercial solar panels are warrantied for 25 to 30 years, and many continue to produce electricity beyond that with reduced efficiency. Manufacturers typically offer a 25-year performance warranty that guarantees power output above 80% of the original capacity. Inverters and other components may need replacement after 10–15 years, but maintenance costs are generally low. A well-maintained system can provide decades of reliable energy savings.

How long does it take to install commercial solar panels?2025-05-20T13:34:46-05:00

The full installation process typically takes 3 to 12 months from start to finish. This timeline includes engineering, permitting, utility approval, procurement, and actual installation. The construction phase itself may only take a few days to a couple of weeks depending on system size. Delays often stem from permitting or interconnection approvals, which vary by utility and municipality.

How efficient are commercial solar panels?2025-05-20T13:34:20-05:00

Commercial solar panels typically have efficiency ratings between 17% and 22%, with monocrystalline, N-type PERC, and IBC panels offering the highest performance. Efficiency refers to how well panels convert sunlight into electricity. While more efficient panels often cost slightly more, they can generate more power in limited space and may reduce the total number of panels required. Efficiency is especially important for rooftops with size or shading constraints.

How much do commercial solar panels cost?2025-05-20T13:34:00-05:00

The total cost of a commercial solar installation usually ranges from $200,000 to $350,000 for a 100 kW system, which is about $2 to $3.5 per watt. However, actual costs depend on system size, roof conditions, location, and utility requirements. Businesses in Midwest may also qualify for local incentives that further reduce the out-of-pocket cost. Federal tax credits (currently 30%) and accelerated depreciation (MACRS) can significantly lower the total investment.

Are commercial solar panels worth it?2025-05-20T13:33:33-05:00

Yes, commercial solar panels are a smart long-term investment for most businesses. They significantly reduce electricity costs, protect against rising utility rates, and may qualify for tax credits and depreciation benefits. Over the system’s 25–50 year lifespan, many businesses see a strong return on investment. In addition, solar can help you meet sustainability goals and boost your brand image.

How Much Does It Cost To Setup LED Lighting?2024-06-28T12:28:32-05:00

The cost of setting up LED lighting will depend on the number and type of lights you choose. LEDs are more expensive than traditional light bulbs but last much longer and use less energy, saving you money in the long run.

Electrical Wiring Maintenance2024-06-26T12:47:06-05:00

There are a number of things that can go wrong with electrical wiring, and it’s important to have a professional handle the maintenance and repair of any issues that come up. Electrical wiring maintenance covers a wide range of services, from inspecting and cleaning electrical wiring to repairing or replacing damaged wiring. We can assess the condition of your wiring and let you know whether it needs to be repaired or replaced.

Electrical Wiring Replacement2024-06-26T12:46:46-05:00

Electrical wiring replacement services are designed to help you replace old, outdated, or damaged electrical wiring in your home. Whether you’re dealing with a faulty outlet, a short circuit, or a complete rewiring of your home, our team of experts can help.

Electrical Wiring Repair2024-06-26T12:46:20-05:00

Electrical wiring repair services are a vital part of maintaining your home or business. Electrical wiring can deteriorate over time, causing shorts and other problems. Electrical wiring repair services can help to keep your wiring in good condition and prevent problems from occurring. Our pack of wolves has your back.

Electrical Troubleshooting2024-06-26T12:45:56-05:00

If you’re having electrical problems in your home or business, it’s time to call in the experts. Electrical troubleshooting is a specialized service that can help you identify and fix the source of your problem. We have the knowledge and experience to diagnose the issue and get your electrical system up quickly.

Electrical Wiring Installation2024-06-26T12:45:27-05:00

If you’re wondering what electrical wiring installation services are, they refer to installing wiring in a home or office. This can include anything from running new wires to replacing old ones. It’s a process that requires knowledge and experience, so it’s best left to the professionals.

Electrical Inspections2024-06-26T12:45:00-05:00

Electrical inspection services are designed to ensure that your home or business meets all local electrical codes and standards. We will check the wiring, outlets, switchgear, and other electrical components in your property to ensure they are up to code and functioning properly. This can help prevent fires, electrical shocks, and other hazards.

What Are Some Common Mistakes People Make When Using LED Lighting2024-06-24T04:15:55-05:00

One of the most common mistakes people make when using LEDs is not using them properly. LEDs are very efficient and will last a long time, but they need to be used correctly in order to get the most out of them. Make sure you follow the manufacturer’s instructions.

What Are Some Tips For Choosing LED Lighting?2024-06-24T04:18:25-05:00

When choosing LEDs, look for lights that are labeled “dimmable” if you want to be able to adjust the light level. You should also look for lights that have a high color rendering index (CRI) to ensure that colors will look natural under the light. And be sure to choose an LED with a color temperature that’s appropriate for the room you’ll be using it in. For example, cool white LEDs are a good choice for kitchens and bathrooms, while warm white LEDs are better for living rooms and bedrooms.

What Are Some Common Uses For LED Lighting?2024-06-24T04:18:05-05:00

LEDs are commonly used in task lighting, like under-cabinet kitchen lights, and accent lighting, like recessed and track lights. They’re also an excellent choice for outdoor lighting because they’re very durable and can withstand extreme temperatures.

What Are Some Of The Drawbacks Of LED Lighting?2024-06-24T04:17:55-05:00

LEDs can be more expensive than traditional light bulbs, but they last much longer and use less energy, so they will save you money in the long run. LEDs also produce a very bright light, so they may not be suitable for all applications.

What Are LED Lights?2024-06-24T04:17:35-05:00

LEDs, or light-emitting diodes, are a type of energy-efficient lighting. LEDs are the most energy-efficient type of lighting on the market today. They use about 75% less energy than traditional incandescent bulbs and last up to 25 times longer.

How fast can my Level 2 charger be installed?2024-06-28T12:26:34-05:00

Wolf River Electric is here to help! Our team can typically install a Level 2 charger in as little as a few weeks (if not faster!).

Can my charger be installed outside?2022-02-09T04:23:06-05:00

Yes, most residential EV chargers are water and dust resistant and designed to be installed and work outdoors.

What’s the cost of an EV charger?2024-06-28T22:23:00-05:00

Depends on type of installation, where the charger will be installed, if an MSP upgrade is needed. Our team of dedicated solar consultants are here to help you with a custom quote.

How fast will an EV charger charge?2024-06-28T22:23:46-05:00

Level 1 (regular plug) 2-5 MPH and Level 2 approximately 20 – 60 MPH. To learn more visit our How It Works section.

Plug vs. hardwiring for a charger?2024-06-28T22:24:05-05:00

Up to you – hardwiring typically allows for most amperage therefore fastest charging.

What if I need an MSP upgrade?2024-06-24T11:57:03-05:00

Your team at Wolf River Electric will take care of everything for you. From upgrades to permitting. To get started on your custom charger quote please contact us here.

What information do you require for my virtual EV charger quote?2024-06-28T22:24:39-05:00

During the virtual consultation, our engineers will need to see a picture of your main service panel, a picture of where you would like the charger, and what’s between them to get started.

Who does the permitting for an EV charger?2024-06-28T22:25:13-05:00

Wolf River Electric handles everything from installation to permitting so you have nothing to worry about. Our team are experts in all things solar + EV.

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