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Solar Panel Costs in 2024: Understanding the Prices and Trends

Last updated on March 31st, 2024 at 01:02 am

Understanding solar panel costs in 2024 holds immense significance in the context of shaping sustainable energy decisions. We’re in this era where going green is not just a buzzword; it’s a way of life. The financial landscape of solar energy in 2024 influences the feasibility of adoption, the economic impact on consumers, and the broader trajectory of renewable energy integration. 


Knowing the nitty-gritty of solar panel expenses is like holding the key to making smart choices. It’s not just about saving money; it’s about understanding how your choices impact the environment. So, getting the scoop on solar costs in 2024? That’s your ticket to being a eco-warrior while keeping your wallet happy.


Now, why are we putting together this comprehensive guide on solar panel costs in 2024? Well, think of it as your go-to manual for stepping into the world of solar energy. We’re not just throwing numbers at you; we’re breaking down the cost of different types of solar panel, installation cost, price trends and factors influencing the solar panel costs


The idea is simple: we want you to be armed with the knowledge to make decisions that matter. So, when you read through this guide, you’re not just learning about costs; you’re getting a roadmap to being a solar-savvy individual. Let’s make going solar not just a trend but your smartest move yet!


Key Takeways
1. The average cost per watt for solar panels in the United States in 2024 is $2.94.


2. Installation costs depend on both the cost per watt and the wattage of the solar panel, influencing the upfront investment.


3. Solar panel costs have dropped from $7 per watt in 2010 to nearly $3  per watt in 2024, showcasing increased affordability.


4. Monocrystalline solar panels have higher costs per watt due to their superior efficiency and advanced manufacturing.


5. Beyond direct purchase, options include solar loans, leases, and Power Purchase Agreements (PPAs), providing flexibility in adoption.


Solar Panel Cost Per Watt in Every State of the U.S.



Solar panel costs: Price breakdown

Solar panel costs per watt

In the realm of solar panel costs, regional variations play a significant role, with prices influenced by factors such as local incentives, installation demand, and the overall solar market landscape. Examining the data on average solar panel costs per watt across different states provides insights into these geographical disparities.


On a national scale, the average solar panel cost per watt in the United States stands at $2.94. This figure provides a benchmark for assessing the competitiveness of individual state prices.


At the upper end of the spectrum, states like Rhode Island, Michigan, and Indiana command the highest prices for solar panels. Residents in Rhode Island face an average cost of $3.61 per watt, closely followed by Michigan at $3.78 per watt and Indiana at $3.63 per watt.


These elevated costs can be attributed to various factors, including higher installation demand, state-specific policies, and regional market dynamics.


Conversely, at the lower end of the pricing spectrum, states like Kansas, South Dakota, and Kentucky boast some of the lowest solar panel costs per watt. Kansas and South Dakota share a common figure of $2.39 per watt, while Kentucky claims an even lower cost at $2.34 per watt.


These states potentially benefit from favorable local conditions, reduced installation demand, or robust incentive programs, leading to more accessible pricing for solar panel installations.


Moving towards the middle ground are states with solar panel costs that hover around the national average. In this category, Idaho, New Jersey, and Tennessee demonstrate almost average prices, with costs per watt standing at $2.93, $2.95, and $2.97, respectively.


Solar panel costs by type

Monocrystalline Solar Panels

Monocrystalline solar panels, characterized by their high efficiency and sleek design, come with an average cost ranging from $1 to $1.50 per watt. These panels boast a longer lifespan, typically lasting 25 to 30 years.


The initial investment in monocrystalline technology is often justified by their superior energy conversion rates, making them an ideal choice for those with limited installation space and a preference for long-term performance.


Polycrystalline Solar Panels

Polycrystalline solar panels provide a cost-effective alternative, with prices typically falling between $0.9 to $1.00 per watt. Similar to monocrystalline panels, they offer an average lifespan of 25 to 30 years.


While their efficiency may be slightly lower, polycrystalline panels remain a popular choice for residential and commercial installations seeking a balance between performance and affordability.


Thin-Film Solar Panels

Thin-film solar panels are recognized for their flexibility and lower costs, averaging between $0.70 to $1 per watt. While they come with a shorter lifespan of around 20 to 25 years, their lightweight and adaptable nature make them suitable for specific applications.


Thin-film technology is an economical choice, especially in scenarios where space is less constrained, and the focus is on minimizing upfront expenses.


Average cost by solar panel system size

The size of a solar panel system for residential and commercial purposes can vary based on energy needs, available space, and individual requirements.  The formula to calculate the price of a solar panel system is:


Price of a solar panel system= Average cost of solar panel per watt × Size of a solar panel system in kW


The average solar panel costs per watt  in the United States is $2.94. By considering this, here’s a breakdown of the average cost of different sizes of solar panel systems:


1. Small Residential Systems (3 kW – 6 kW):

  • Average Cost: $8,820 – $17,640
  • Small residential solar panel systems, ranging from 3 kW to 6 kW, are suitable for modest energy needs. These systems often cover a portion of a household’s electricity consumption, reducing reliance on the grid.

2. Medium Residential Systems (7 kW – 15 kW):

  • Average Cost: $20,580 – $44,100
  • Medium-sized residential solar panel systems, spanning from 7 kW to 15 kW, are designed for larger homes with higher energy demands. They offer increased energy independence and can potentially offset a significant portion of electricity bills.

3. Large Residential Systems (16 kW – 20 kW):

  • Average Cost: $47,040 – $58,800
  • Large residential solar panel systems, ranging from 16 kW to 20 kW, are suitable for sizable homes with substantial energy consumption. These systems provide a comprehensive solution to meet the electricity needs of larger households.

4. Small to Medium Commercial Systems (25 kW – 100 kW):

  • Average Cost: $73,500 – $294,000
  • Small to medium commercial solar panel systems, spanning from 25 kW to 100 kW, cater to the energy demands of businesses. These systems contribute to reducing operational costs and may qualify for commercial solar incentives.

5. Large Commercial Systems (100 kW – 1 MW+):

  • Average Cost: $294,000 – $2.94 million (or more)
  • Large commercial solar panel systems, exceeding 100 kW and reaching megawatt-scale installations, are designed for industrial and large-scale commercial facilities. The costs vary significantly based on size and complexity, with larger systems often requiring substantial investments.


Solar panel installation cost


Solar panel installation cost

Solar panel installation cost is consists of three parts:

1)  Cost of the solar panels 

2) Cost of hardware such as, wiring, mounting, inverter

3) Labor costs


The formula to calculate cost of solar panels you need= Number of solar panels you need × Wattage of your solar panels × Cost of your solar panels per watt.



Click here to calculate number of solar panels you need.



Hardware price includes wiring, mounting and inverter is about $5000.


Labor cost is the 10-20% of the total solar panel system price.



Suppose you need 20 solar panels 0f 400 watt and cost per watt of the solar panel is $2.50.


 Therefore, the cost of the solar panels needed is= 20×400×2.50=$20,000.


Hardware price is $5000.


Labor cost is 10-20% of the total solar panel system price.


If we take the labor cost as 15% of the total cost, the labor cost would be: Labor Cost=15%×(Cost of Solar Panels + Hardware Price)=15%× ($20,000 + $5,000)=$3,750.


So, the total cost of the solar panel system would be the sum of the cost of solar panels, hardware price, and labor cost:


Total Cost of solar panel installation is=Cost of Solar Panels+ Hardware Price + Labor = $20,000 + $5,000 + $3,750 = $28,750.


If you consider  a Federal Tax Credit of 30%, the discounted cost of the solar panel system would be $20,125.


 If you choose to include a battery for energy storage with your solar panel system, the cost of the battery would be $15,000. In this case, installation cost of the solar panel system is $35,125 before tax credit and $24,587 after tax credit. 


Cost of solar panels


Key factors influencing solar panel costs

Several key factors influence the costs associated with solar panels, reflecting the dynamic nature of the solar energy industry. Here are some key factors influencing solar panel costs:


Technological Advancements

Ongoing innovations in solar technology can impact costs. Improved efficiency, durability, and manufacturing processes may contribute to fluctuations in the overall cost of solar panels.


Manufacturing Costs

The expenses incurred in producing solar panels, including raw materials, labor, and facility costs, significantly influence their overall price. Economies of scale and technological advancements can play a role in mitigating or exacerbating these manufacturing costs.


Type of Mount

The type of mount chosen for solar panels is a crucial factor in determining both the efficiency and cost-effectiveness of a solar installation. Fixed-tilt systems are stationary and less expensive but may not optimize energy capture throughout the day.


Tracking systems, which follow the sun’s movement, can enhance energy production but are typically more expensive due to their advanced mechanics and increased complexity. Additionally, specialized mounting structures, such as those designed for challenging terrains, may involve higher engineering and construction costs.



Solar panel efficiency refers to the percentage of sunlight that a panel can convert into electricity. Higher efficiency panels generally cost more upfront but can be a wise long-term investment.


They occupy less space, allowing for more flexibility in installation, and may be more suitable for installations with limited space. The increased energy production over the lifetime of the panels can offset the initial higher costs.


Size and Capacity

The physical size and electrical capacity of a solar installation impact costs in various ways. Larger installations require more materials, including solar panels, mounting structures, wiring, and inverters.


The increased capacity of the system also affects the selection of additional components, such as inverters and energy storage solutions. System size is a critical factor in determining overall costs, both in terms of equipment and labor.


Number of Panels

The total number of solar panels directly impacts costs in terms of materials, labor, and installation. Larger installations with more panels necessitate additional planning and coordination.


This includes considerations such as proper spacing, electrical wiring, and system integration. The quantity of panels is a fundamental aspect of project scalability, influencing costs at every stage of the installation process.


Solar Companies and Brands

The choice of solar company and panel brand can have significant cost implications. Reputable companies and well-established brands often command higher prices due to factors such as product quality, reliability, and customer support.


While choosing recognized brands may involve higher upfront costs, the investment may offer long-term benefits in terms of panel performance, warranties, and overall system reliability.


Warranty and Longevity

The warranty offered by solar panel manufacturers is an important consideration in cost analysis. Panels with longer warranties and favorable terms may have higher upfront costs but can provide added value and peace of mind over the system’s operational life. The lifespan of solar panels, often reflected in warranty periods, is a crucial factor in assessing the overall cost-effectiveness of the installation.


Installation Complexity

The complexity of the installation process is a multifaceted factor that influences costs. Factors such as roof type, terrain, shading, and accessibility contribute to installation complexity.


Complex installations may require specialized equipment, additional labor, and more intricate planning, all of which can result in higher overall costs. Conversely, straightforward installations on flat roofs with easy accessibility tend to incur lower expenses.


Local Regulations and Permitting

Complying with local regulations and obtaining the necessary permits is a crucial but often overlooked aspect of solar installations. The costs associated with navigating regulatory requirements, obtaining permits, and ensuring compliance with local building codes can vary significantly from one location to another. Understanding and budgeting for these costs are essential for accurate project planning.


Government Incentives and Subsidies

The availability of government incentives, tax credits, and subsidies can impact the upfront costs of installing solar panels. Changes in government policies and support programs may influence the overall affordability of solar energy systems.


Market Demand and Supply

Fluctuations in market demand for solar panels and the availability of raw materials can influence pricing. Supply chain disruptions or surges in demand may lead to variations in solar panel costs.


Additional or hidden cost of solar panels

In addition to the upfront costs associated with purchasing and installing solar panels, there are several additional or hidden costs that individuals should be aware of when considering a solar energy system.


Understanding these costs is essential for making an informed decision and planning for the long-term maintenance and efficiency of the solar panel system. Here are some additional or hidden costs:


Permitting and Inspection Fees

Investing in solar panels involves more than just the upfront costs of purchasing and installing the system. Permitting and inspection fees, often overlooked, can present an initial financial hurdle.


Before solar panels can be installed, obtaining necessary permits and undergoing inspections are essential steps. These fees vary by location and should be factored into the overall budget.


Rooftop Evaluation and Reinforcement

Another hidden cost to consider is the rooftop evaluation and potential reinforcement. Before installation, an assessment of the roof’s structural integrity is necessary to ensure it can support the weight of the solar panels. Depending on the evaluation, reinforcement work may be required, adding to the overall installation cost.


Electrical Upgrades

Electrical upgrades are often necessary to accommodate the solar panel system seamlessly into the existing electrical infrastructure. Changes to the electrical panel, wiring, or the installation of a dedicated circuit may be required, and these upgrades should be factored into the budget.


Landscaping or Tree Removal

Shading issues from trees or nearby structures can impact the efficiency of solar panels. Landscaping adjustments or the removal of trees may be necessary to optimize sunlight exposure. The associated costs for landscaping alterations or tree removal should be considered, especially if shading issues are identified during the initial site assessment.


Monitoring and Maintenance Tools

While not significant in cost, monitoring and maintenance tools are considerations for proactive system management. These tools, such as performance meters or cleaning supplies, contribute to the overall efficiency and maintenance of the system.


Homeowner Association (HOA) Restrictions

Homeowner Association (HOA) restrictions can introduce additional costs and considerations. Some associations may have architectural guidelines or restrictions on solar panel installations, requiring homeowners to navigate approval processes or potential legal costs.


Insurance Premiums

Adding a solar panel system may affect homeowner insurance premiums. Notifying the insurance provider is crucial to ensuring adequate coverage, and homeowners should be aware of any adjustments to their policy and associated costs.


Removal and Reinstallation Costs

Removal and reinstallation costs are considerations for scenarios where solar panels need to be temporarily removed, such as for roof repairs. Understanding the potential costs involved in these processes is prudent for long-term planning.


System Performance Guarantees

While not direct costs, system performance guarantees should be considered. Some solar panel systems come with performance guarantees, and understanding the terms of these guarantees ensures clarity on potential costs in case of system underperformance.


Cleaning and Maintenance

Lastly, ongoing cleaning and maintenance are essential for the system’s efficiency and longevity. Regular cleaning to remove dust and debris, as well as occasional maintenance checks, contribute to the overall operational costs of the solar panel system.


Solar panel price trends: Is the price of solar panel declining?

The solar panel market has undergone significant changes over the years, particularly in terms of pricing. To understand the trend, let’s delve into the historical and recent data available. In 1977, the price of solar panels was a staggering $76.67 per watt.


However, according to the Solar Energy Industries Association (SEIA), by 2010, substantial progress had been made in reducing costs. The price of residential solar panels dropped to nearly $7 per watt, commercial panels to $6 per watt, and utility-scale panels to $4.50 per watt.


Fast forward to 2019, and the solar panel prices have continued to experience a downward trend. Currently, the cost per watt stands at approximately $3 for residential panels, $1.5 for commercial panels, and $1 for utility-scale panels.


This substantial reduction in prices over the years reflects the remarkable advancements and increased efficiency in solar technology, manufacturing processes, and economies of scale.

Several key factors contribute to the declining prices of solar panels


Technological Advancements

Significant strides in solar technology have led to improved efficiency and reduced manufacturing costs. Breakthroughs in materials and design have allowed for the production of more efficient solar cells at a lower cost.


Economies of Scale

As the solar industry has grown, economies of scale have come into play. Larger production volumes and increased demand have led to cost reductions in manufacturing and installation, contributing to lower overall prices.


Increased Competition

The solar energy market has become more competitive, with numerous manufacturers and installers vying for market share. This competition has driven companies to innovate and find ways to reduce costs to stay competitive.


Government Incentives

 Many governments worldwide have implemented incentives and subsidies to promote the adoption of solar energy. These incentives, such as tax credits and rebates, can significantly reduce the overall cost of installing solar panels, making them more accessible to a broader range of consumers.


Supply Chain Improvements

 The solar industry has experienced improvements in the supply chain, leading to more efficient production and distribution processes. Streamlining the supply chain helps reduce costs and contributes to lower solar panel prices.


Solar panel payment options

When considering the installation of solar panels, there are various payment options available to individuals and businesses. The most suitable option often depends on factors such as financial goals, budget, and the desire for ownership or flexibility. Here are common solar panel payment options:


Outright Purchase


    • Description: Customers can choose to purchase solar panels outright, paying the full cost upfront. This option provides immediate ownership and the potential for long-term savings.
    • Pros: Immediate ownership, long-term cost savings, eligibility for incentives.
    • Cons: Requires a substantial upfront investment.


Solar Loans


    • Description: Financing options, such as solar loans, allow customers to spread the cost of solar panel installation over a predetermined period. The loan can be secured or unsecured.
    • Pros: Spreads the cost over time, ownership benefits, potential for tax incentives.
    • Cons: Interest payments, approval process.


Solar Leases


    • Description: In a solar lease, a third-party owns and maintains the solar panels, and the customer pays a monthly fee for the use of the system. Leasing is common in residential settings.
    • Pros: Little to no upfront cost, maintenance often covered, potential for immediate energy savings.
    • Cons: No ownership, lease terms and conditions, may not fully capture financial benefits.


Power Purchase Agreements (PPAs)


    • Description: Similar to leases, a power purchase agreement involves a third party owning and maintaining the solar panels. However, the customer pays for the actual electricity generated rather than the use of the system.
    • Pros: Minimal upfront cost, payment based on energy produced, potential for immediate savings.
    • Cons: No ownership, PPA terms, may not fully capture financial benefits.


Solar Subscription or Community Solar


    • Description: Some regions offer community solar programs or solar subscriptions where customers can buy a share of a larger solar installation. The energy generated is credited to their utility bill.
    • Pros: Low or no upfront cost, access to solar without installation, potential savings.
    • Cons: Limited control, subscription terms, availability by location.


PACE Financing (Property Assessed Clean Energy)


    • Description: PACE financing is a type of financing where the cost of solar installation is repaid through an assessment on the property tax bill.
    • Pros: Repayment through property taxes, potential for energy savings.
    • Cons: Limited availability, qualification criteria, interest payments.


Green Energy Certificates (RECs)


    • Description: Some utilities or organizations offer green energy certificates, allowing individuals to support renewable energy projects without installing solar panels on their property. These certificates represent the environmental attributes of renewable energy.
    • Pros: No installation required, support for renewable energy projects.
    • Cons: No direct ownership or financial benefits.


Wrapping up!

 The U.S. solar panel market exhibits a promising landscape with an average cost per watt at $2.94, making solar energy increasingly accessible.


It’s noteworthy that monocrystalline panels, while offering higher efficiency, come at a higher price, emphasizing the importance of selecting a type that aligns with both energy needs and budget considerations.


The installation cost of a 5 kW solar panel system, averaging around $15,000, represents a significant upfront investment. However, this cost is offset by the long-term benefits of reduced energy bills and environmental impact.


Notably, the declining trend in solar panel prices since 2010 is a positive indicator, showcasing the industry’s commitment to cost reduction and improved accessibility.


Furthermore, the availability of various payment options, such as outright purchase, solar loans, leases, and power purchase agreements, provides consumers with flexibility and choice. This diversity in payment structures ensures that individuals and businesses can tailor their approach to solar adoption based on financial preferences and goals.


Frequently Asked Questions (FAQs)

What is the average cost of solar panels in the U.S.?
The average cost per watt for solar panels in the U.S. is approximately $2.94. This figure represents the current affordability of solar energy solutions.
What payment options are available for purchasing solar panels?
Various payment options include outright purchase, solar loans, leasing, and power purchase agreements (PPAs). This diversity allows consumers to choose a financing option that aligns with their financial goals.
How can I determine the right type of solar panels for my needs and budget?
The choice of solar panels depends on factors such as energy requirements, available space, and budget constraints. Consulting with a reputable solar installer can help tailor the selection to individual needs.
Are there government incentives or rebates available to offset solar panel costs?
Yes, many regions offer government incentives, tax credits, and rebates to encourage solar adoption. It’s advisable to research and take advantage of available programs to maximize savings.
Is it possible to finance solar panel installation through a loan?
Yes, solar loans are a common financing option. They allow individuals to spread the cost of solar panel installation over a specified period, making solar energy more accessible.

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