Changes are coming to net metering benefits

On Jan. 1, 2025, the net metering benefit is being reduced for Illinois residents who decide to install solar panels on their homes. Act now to get your system running by 12/31/24 for maximum savings!

What is net metering? 

Net metering allows you to earn credits for excess electricity your solar panels generate and send to the grid. These credits offset your energy costs when your solar system isn't producing enough power, helping you reduce your overall electricity bill.

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What if I already have solar panels?

You are guaranteed this current version of net metering for the lifetime of your system (defined, under net metering regulations, as 30 years from the date the solar installation received permission to operate). That means you will continue to have this full benefit on all three sections of your bill.

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What is changing? 

Net metering currently gives 1:1 per kilowatt-hour credits on these parts of your electric bills: Supply, Delivery and taxes and fees.

If you install solar panels after Jan. 1, 2025: Net metering credits will be applied to the Supply section of your bill, rather than all three sections.

This new system means customers after 2025 will receive a larger benefit upfront, with a reduced net metering benefit throughout the lifetime of the system.

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How can I learn more?

Check out this article to learn more about net metering changes in 2025 and what that means for you.

Click here to view article

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What do I do with the ground under a ground mounted solar array?

You can choose landscaping options such as wildflowers, vegetables, or grasses that grow well under solar panels. Alternatively, use rocks or mulch over landscape cloth for low maintenance.

How much maintenance does a solar array need?

Solar panels have no moving parts and require minimal maintenance. Quality components ensure long-term reliability with little upkeep.

Do I need to clean the solar panels?

Generally, no. Rain and snow naturally clean the panels. In the Midwest, Mother Nature typically handles this task.

What do I need to do with my solar array in the event of a fire or flood?

In a fire or flood, follow your usual safety procedures, including turning off electricity if needed. The solar array can be turned off at the electricity shut-off switch near your meter.

Why does my utility bill have a different production number than my monitoring portal?

Utility bills show only the energy that travels through your meter, reflecting net sales rather than total production. The monitoring portal shows total energy produced by your system.

What type of equipment is needed to monitor my solar array production?

Most electronic devices running Apple, Android, or Microsoft operating systems can be used to monitor your array through the appropriate app or online portal.

Can I monitor the solar production of my array?

Yes, Arrow Solar offers online production monitoring for your solar array, allowing both you and us to track performance and address any issues.

Where do I go to download the monitoring app for my solar array?

Instructions are provided by Arrow Solar via email after PTO is granted. If not received within five business days, email: support@callarrowgroup.com.

How do I set up and use the inverter portal(s)?

You will receive emails from the monitoring portal provider and Arrow Solar with setup instructions. If not received within five business days of activation, email: support@callarrowgroup.com.

Should I consider the placement of new or existing trees when planning for my future solar array?

Consider the future size of trees to avoid shading solar panels. Contact Arrow Solar for advice on tree placement.

Do I need to plan any extra space for the placement of a future battery?

Leave 5' of wall space near the load center for a future battery, plus 4' for the inverter.

Should I plan for any additional networking infrastructure for monitoring my future solar array?

Place your internet router near the load center for easy connectivity of the solar array inverter.

Should I plan for any extra space required for solar equipment inside or outside the home?

Leave about 4' of wall space inside the home near the load center for the inverter and 3' of exterior wall space near the utility meter for the utility disconnect.

What size of an electrical load center should I install in my new home to prepare for solar in the future?

A 225A Square D Homeline load center with a 200A main breaker is recommended. Ensure two free slots for the solar breaker.

Should I prepare a site for my ground-mounted solar array during the new construction process?

Yes, prepare a flat area approximately 50' x 20' for a residential array to save on installation costs and optimize energy production.

Should I be concerned about the placement of buried private or public utility lines during the construction process?

Yes, keep utility lines out of the trench path for future ground-mounted solar arrays to reduce labor costs and ensure safety.

Should I plan to install conduit for future wiring of my solar array?

Yes, installing a 2” metallic conduit from the attic to the electrical load center during construction saves money and simplifies solar array installation.

What is the ideal roof pitch and location for solar on my new home?

A 7/12 roof pitch with southern exposure is optimal for roof-mounted solar arrays. Systems can also be installed on various roof pitches and east or west-facing roofs. More panels may be required to achieve energy goals.

How long does installation usually take?

Residential solar installation typically takes one to two days. Preparation, including permit approvals and equipment procurement, can take several weeks. Arrow Solar handles permitting and keeps you updated throughout the process.

Is my house eligible for solar power?

Factors such as roof design, available space, and shading determine eligibility. Arrow Solar conducts property assessments to design the best solar energy system for your home.

Can my homeowners association or neighbors prevent me from installing a solar system?

In many states, Solar Access Laws protect against restrictions on solar energy systems. Work with a certified installer like Arrow Solar to navigate local laws and policies.

How does a solar system affect my roof integrity?

With proper design and installation, your roof will maintain its integrity. Many roof types require no additional attachments to the roof facing.

Can I install solar panels myself?

It is not recommended to install solar panels yourself. Proper installation requires qualified electrical and roofing expertise to ensure safety and optimal performance. Manufacturer warranties often require certified installation.

Do I need to mount my solar panels on the roof or is a ground mount an option?

Roof-mounted solar arrays are common but ground mounts are also an option. The best choice depends on your location, local building codes, and site conditions. Arrow Solar can help determine the best mounting system for you.

What direction should my roof face for a solar system?

In the Midwest, south-facing roofs are ideal for solar panels. However, east and west-facing roofs can also capture sunlight effectively. Arrow Solar's design and engineering team will provide energy production designs and reports tailored to your project.

What information is required to obtain a battery estimate for my current solar array?

Arrow Solar needs to understand your goals for battery storage to design an optimal solution. Determine if you want to offset peak rates, have backup power, or keep more renewable energy. Contact us for a detailed assessment.

How can a battery help me reduce peak energy pricing?

Batteries can be programmed to use stored energy during peak pricing periods, avoiding expensive utility power. This reduces overall energy costs by using cheaper, off-peak energy.

Can a battery be added to my existing array at any time?

Yes, but compatibility varies. Some batteries require specific solar equipment. The difficulty and cost of integration depend on whether your system was designed for future battery addition. Contact Arrow Solar for more information.

How long does a battery charge last?

The duration of a battery charge depends on its size, type, and your energy consumption. A fully charged 10-kWh battery can last approximately 10-12 hours for an average home, while a 13.5-kWh battery can last 13.5-16.8 hours.

How much energy does a battery hold?

Battery capacity varies by model, typically ranging from 10-13.5 kWh. Depth of discharge (DoD) also affects how much energy can be used before recharging.

Can I use my battery to charge an electric vehicle?

Yes, a storage battery can charge an electric vehicle, similar to how it powers household devices.

Where should my batter be placed/installed?

Battery placement depends on the battery's chemistry and components. Ideal locations are usually interior spaces like garages or utility rooms to protect from extreme temperatures.

Can a battery power my entire home?

Yes, but typically multiple batteries are required to power an entire home. Most systems are designed to cover critical loads during outages or offset demand during peak pricing hours. The number of batteries needed depends on your energy consumption and the capacity of your solar array.

Does a battery work during a power outage?

Yes, storage batteries are designed to work during power outages. When a grid outage is detected, the system disconnects from the grid and uses the battery and solar array to power critical loads in your home until power is restored.

Can I monitor the energy storage of my battery remotely?

Yes, many battery and inverter manufacturers offer apps to monitor production and storage capacity remotely.

What is the life span of a residential storage battery?

Residential storage batteries typically last between 5-15 years. Longevity depends on battery type, size, and usage. Lithium-ion batteries, for example, have a higher depth of discharge and energy density, allowing for more efficient energy use and longer lifespan compared to lead acid batteries.

What are the typical manufacturer warranties on a storage battery?

Most storage batteries come with a 10-year performance warranty for at least 60% of the usable capacity or 10,000 cycles. Warranties may vary among manufacturers. Contact an Arrow Solar Energy Consultant to learn more about our battery options.

What is solar + storage and how does it work?

Solar + Storage combines a solar array with a compatible battery to provide electricity at night, during outages, or at peak pricing times. Excess energy produced during the day charges the battery, which then powers your home when needed. This setup allows you to use renewable energy at any time, reducing reliance on the grid and saving money on energy costs.

Will I like the look of solar panels on my roof?

Modern solar panels are designed to integrate seamlessly with your roof, becoming part of the overall design. Panels come in various styles, including sleek all-black designs, enhancing the look of your home while providing efficient power.

How long will the system last?

Most solar components have a 25-year warranty but are expected to produce power for 40+ years. With no moving parts and virtually no maintenance, solar panels offer longevity and reliability. Major manufacturers have panels installed over 40 years ago still producing energy today.

Is there a difference in solar panel quality?

Solar panel brands are categorized as Premium (Tier 1), Standard (Tier 2), and Economy (Tier 3). Tier 1 panels offer the best performance and durability, while Tier 3 panels are less durable but more affordable. Arrow Solar is committed to installing only Tier 1 solar panels for the highest quality and energy production.

Can I add more solar panels to my home or business if my electrical consumption increases?

Yes, as long as there is room for additional panels on your roof or ground. Contact Arrow Solar to begin the design and engineering process for expanding your system.

How big of a system do I need?

The size of your solar system should be based on a Solar Analysis created by a licensed solar energy professional. Factors to consider include available space, electrical usage, utility policies, and shading. Working with an experienced solar company ensures your system meets your goals.

How durable are solar panels?

Quality solar panels are designed to withstand extreme weather conditions, including wind, rain, and hail. The glass covering the panels is engineered to resist breakage, even from 1" hailstones impacting at over 200 mph.

Why don't I produce the same number of kW all year long?

Solar production varies with the seasons. During winter, the sun is lower, reducing optimal panel angles. Cold weather and shorter daylight hours can increase energy usage and decrease solar production, making the gap between production and consumption seem larger.

Is it possible to supply all of my electricity needs with a solar system?

The percentage of power your solar system generates depends on available space for panels and inverters. Arrow Solar will analyze your site and energy profile to determine how much of your power can be generated by a solar array and design a system to meet your needs and budget.

Will my system still generate power during a blackout?

Grid-tied solar systems are required to shut down during power outages for safety reasons. If blackouts are frequent in your area, a battery backup could be a good solution. Contact an Arrow Solar Energy Consultant for more information on how a battery can benefit you during power outages.

Will I notice any difference in the performance of my home or facility’s electrical equipment?

A grid-tied solar array is synchronized with the existing utility feed into your building. You use the power generated by the solar system first, and if additional energy is needed, it pulls power from your meter, ensuring uninterrupted power. In most cases, there will be no noticeable difference in the operation of your equipment.

What are solar renewable energy credits (SRECs)?

In Illinois, solar system owners can create SRECs from the energy produced by their solar panels. One SREC equals 1,000 kilowatt-hours (kWh) of solar energy generated. Owners can sell SRECs through a market set up by the Illinois Power Agency (IPA) for a 15-year contract. SRECs are sold separately from the electricity produced, meaning you can use the electricity to lower your electric bill and sell the SRECs to buyers. Payments for SRECs can be lump-sum or spread over seven years, depending on system size. Learn more about the Illinois SREC program at Illinois Shines.

Is solar power less expensive than traditional electricity from my utility company?

Solar power often costs less than traditional electricity from utility companies. As traditional power costs rise, consumers are turning to alternative, clean, and sustainable energy sources like solar. The amount you save will depend on your solar system's size and your household's electricity usage. Arrow Solar’s Free Solar Analysis will provide the financial and environmental information you need to determine if solar is right for you.

How much does a solar energy system cost?

The cost of a solar energy system depends on the size of the system, your location, and available incentives. Solar prices have decreased by as much as 70% in recent years, making it a sound financial investment. Larger systems may benefit from economies of scale, reducing costs per kW. An Arrow Solar Energy Consultant can provide a Free Solar Analysis to help you understand how solar can reduce and manage your electricity costs.

What solar incentives are available?

Solar incentives can vary by state. The most significant incentive is the federal investment tax credit (ITC), which allows you to deduct a percentage of your solar energy system's cost from your taxes. Some states offer additional tax credits, and certain municipalities and utilities provide cash rebates or other incentives. Additionally, commercial solar installations are eligible for a five-year Modified Accelerated Cost Recovery System (MACRS).

How will weather affect my solar array?

Weather influences solar energy production. Bright sunlight is ideal, but panels still generate power on overcast days. Overall energy production peaks in summer due to longer daylight hours. Cold, sunny winter days also enhance efficiency. Solar panels continue producing power unless completely covered.

How does snow/ice affect my solar system's performance?

While snow or ice can temporarily reduce energy output by covering panels, this is offset by long, sunny summer days. Solar panels are designed to shed snow quickly due to their angle and the heat they produce. Arrow Solar designs systems to optimize performance based on local weather data, minimizing the impact of winter conditions on annual production.

How do solar systems perform in extreme weather conditions?

Solar panels are designed to withstand extreme weather, including hail, strong winds, and snow. They are tested to endure impacts from 1” hailstones at over 50 mph and remain securely mounted in winds exceeding 140 mph.

What is an off grid system?

An off-grid system is not connected to the power grid. Solar panels charge a battery, and the property draws power from the battery. The size of the battery bank determines how frequently it needs to be recharged by the solar array to ensure an uninterrupted power supply.

What is a grid-tied system?

A grid-tied system uses solar-generated power first, with any excess flowing back to the utility grid. The utility compensates you for this excess through net metering or avoided cost payments. Contact Arrow Solar for details on your local utility’s policy.

How does net metering work?

Net metering gives you full retail credit for excess energy your solar array produces and sends back to the utility. However, this benefit is changing for Illinois residents effective December 31, 2024. If your utility doesn’t offer net metering, they may provide a lower avoided cost payment instead. Understanding your utility’s policy is crucial for evaluating the financial impact of your solar project.

Do I need insurance on my solar system?

While equipment comes with workmanship and production warranties, they don't cover theft or damage from external sources. Most homeowner insurance policies do cover solar systems. Check with your provider for more details.

How does a photovoltaic (PV) system work?

Solar panels contain individual cells made of two layers of silicon. An electronic imbalance between the layers causes electrons to move when struck by sunlight, generating electricity. This direct current (DC) is converted to alternating current (AC) by an inverter, allowing it to power your home.

How will switching to solar power benefit my home or business?

From day one, solar power offsets your electricity purchases, reducing your electric bills. With minimal ongoing costs, you lock in the solar portion of your electricity expenses, protecting against inflation and simplifying budgeting. You'll recoup the cost of your solar system well before the end of its lifespan. Most components are warranted for up to 25 years and last 40+ years, providing decades of financial and environmental benefits. Additionally, demonstrating a commitment to a healthier planet can enhance your reputation within the community.

What is the process Arrow Solar will follow from the sales visit to final commission?

Arrow Solar provides a comprehensive, turn-key solar energy solution that takes your system from concept to commissioning. We make it fast and easy to obtain a cost-saving, environmentally friendly solar energy system for your home or business.

How will solar panels affect the value of my home or real estate?

Solar panels can significantly lower your electric bill and begin paying for themselves immediately. Even if you move before your investment is fully paid off, studies show the remaining value is likely to be recouped upon sale. Additionally, a solar system can make your property more appealing by offering a guaranteed lower electric bill. Warranties are transferable to a new owner one time.

What are the environmental benefits of using solar energy?

Harnessing solar energy helps reduce greenhouse gas emissions, contributing to climate change mitigation. It also decreases air pollutants like sulfur dioxide and particulate matter, promoting better health outcomes.

What happens when you receive authorization for permission to operate (PTO) on your Arrow solar array?

Once the utility grants authorization, they will notify both the client and Arrow Solar. We will then reach out to guide you on how to turn on your array or arrange for a staff member to assist with activation. Arrow Solar will continuously monitor your array to ensure optimal performance and set up online monitoring access for you.

Get your solar system approved, installed, and operational by December 31, 2024 and lock in the full net metering benefits!