From Traditional To Solar Energy: A Step-By-Step Guide To Make The Switch

From Traditional To Solar Energy: A Step-By-Step Guide To Make The Switch

Solar energy offers a clean, renewable, and increasingly affordable alternative to traditional fossil fuels.

Transitioning to solar power effectively reduces your carbon footprint, promotes energy independence, and saves on energy bills. This is substantial when considering the lifetime of your initial solar system investment.

Should you make the switch? In its global report, the World Bank states that in the next five years, off-grid solar will be the most cost-efficient solution to the electrification of 55% of households that aren’t connected.

In 2021, the United States’ new installations accounted for 15% of the solar photovoltaic (PV) capacity worldwide, second only to China. In Billings, Montana, a homeowner switches to solar every 84 seconds. That’s how popular it had become!

Are you considering reducing your monthly bill or cutting off traditional power sources? You can conduct your research and visit reputable sites like

Furthermore, this guide will provide a detailed step-by-step process to transition to solar power, including estimating costs, understanding off-grid and hybrid systems, and planning for installation.

Step 1: Estimate Your Energy Needs

Estimating your energy needs is important for several reasons. It can help you properly size your renewable energy system, ensure that you have enough power, and avoid overspending on equipment that is larger than what you need.

Here are some of the key reasons why estimating your energy needs is important:

Proper system sizing:

Estimating your energy needs can help you determine the size of the renewable energy system that you need.

If you underestimate your energy needs, you may not have enough power to meet your needs, and you may need to supplement your system with additional equipment or rely on grid power.

On the other hand, if you oversize your system, you may end up wasting money on equipment that you don’t need.

Cost savings:

Properly sizing your renewable energy system can help you save money in the long run.

By accurately estimating your energy needs, you can avoid overspending on equipment and ensure that you have enough power to meet your needs. This can help you save money on your energy bills and reduce your reliance on grid power.

Energy efficiency:

Estimating your energy needs can also help you identify opportunities to increase your energy efficiency.

By understanding how much energy you use and when you use it, you can identify areas where you can reduce your energy consumption, such as by using more energy-efficient appliances or adjusting your energy usage habits.

Environmental benefits:

By accurately estimating your energy needs and using renewable energy sources to meet those needs, you can reduce your carbon footprint and help protect the environment.

Renewable energy sources such as solar and wind power produce no greenhouse gas emissions, and using these sources can help reduce your reliance on fossil fuels.

Overall, estimating your energy needs is an important step in designing and implementing a renewable energy system.

By doing so, you can ensure that you have enough power to meet your needs, avoid overspending on equipment, increase your energy efficiency, and reduce your environmental impact.

To determine the size and cost of your solar energy system, follow these steps:

  • Collect your energy bills from the past 12 months to determine your average monthly kilowatt-hours (kWh) consumption.
  • Consider any planned changes to your energy usage, such as purchasing an electric vehicle or adding energy-intensive appliances.
  • Use an online solar calculator to estimate the size of the solar system needed to cover your energy consumption, considering the local climate and solar potential.

Step 2: Choose Your Solar System Type

There are two primary types of solar energy systems: off-grid and grid-tied (or hybrid). Each system type has advantages and disadvantages, and the weight which is best suited for your specific needs.

For instance, you may want to get an estimate for materials, installation, and roofing for your zone.

Below is an overview of off-grid and grid-tied solar systems:

Off-Grid Solar System:

An off-grid solar system is entirely independent of the utility grid. This system is ideal for remote locations or those seeking complete energy independence.

Components needed for an off-grid system include solar panels, a solar charge controller, a battery bank, an inverter, and a backup generator. It has the following advantages:

Energy independence:

Off-grid systems allow you to be completely self-sufficient and independent of utility companies.

No reliance on grid infrastructure:

Ideal for remote or rural locations where grid connection may be unavailable or unreliable.

No electricity bills:

Since you generate and store your electricity, you won’t have to pay for electricity from the utility company.

Off-grid systems require a more considerable upfront investment due to the need for battery banks and backup generators.

If you are used to the power company taking care of the maintenance, be aware that battery banks require regular maintenance and eventual replacement, adding to the overall cost.

The system’s performance depends on the battery capacity, which may be insufficient during periods of low sunlight or high energy demand.

Grid-Tied (Hybrid):

A grid-tied solar system is attached to the utility grid, allowing you to use solar energy when available and draw from the grid during periods of low sunlight or high demand. In a sense, it’s like a hybrid system with power plant-sourced electricity as a backup.

Components needed for a grid-tied system include solar panels, an inverter, a bi-directional meter, and a grid connection to the utility company. This system has the following advantages:

Lower initial costs:

Grid-tied systems generally have lower upfront costs as they don’t require battery banks or backup generators.

Net metering:

Many utility companies offer net metering programs, allowing you to sell excess energy back to the grid and offset your energy costs.

Reliable power supply:

With a grid-tied system, you can always rely on the grid for electricity during periods of low sunlight or high energy demand.

Grid-tied systems rely on the utility grid for power during periods of low sunlight, which may be better for those seeking complete energy independence.

Grid-tied systems are susceptible to power outages in the utility grid, which could leave you without electricity. A grid-tied system may not be the best option if you want complete energy independence or live in an area with frequent power outages.

Step 3: Research Incentives And Financing Options

Before purchasing and installing a solar energy system, research local, state, and federal incentives. Some of these are the following and may vary depending on the location:

The Federal Solar Investment Tax Credit (ITC) enables you to deduct 26% of the cost of solar system installation from federal taxes through 2022. In 2023, the ITC will decrease to 22%.

If you live in Montana, this location offers a State Tax Credit of up to USD$500 per taxpayer for installing a solar energy system.
Some utility companies (e.g., Colorado Springs Utilities, Holy Cross Energy) incentivize solar installations.

Montana’s net metering policy allows you to sell excess solar energy back to the grid, helping you offset your energy costs.

Additionally, explore financing options like solar loans and power purchase agreements (PPAs) to reduce upfront costs so it is more affordable at the onset.

Here are two options that can make solar power feasible for you:

Solar Loans:

Solar loans are a popular financing option for homeowners and businesses looking to install solar panels.

These loans allow individuals to borrow the money needed for the solar system, which can be repaid over time, typically with fixed monthly payments. Solar loans can be secured or unsecured, depending on the lender’s policies and the borrower’s credit history.

There are two main types of solar loans:

Home Equity Loans:

These loans are secured by the borrower’s home equity, and the interest paid on them is usually tax-deductible. Though interest rates are lower than unsecured loans, they also come with the risk of losing your home if you default.

Unsecured Solar Loans:

These loans do not require any collateral and are based solely on the borrower’s creditworthiness. They are offered at higher rates but they do not put the borrower’s home at risk.

Power Purchase Agreements (PPAs):

A Power Purchase Agreement (PPA) is a financial arrangement where a third-party developer owns, operates, and maintains the solar energy system installed on a homeowner’s or business’s property.

The property owner agrees to host the system and purchases the solar-generated electricity from the developer at a predetermined rate, usually lower than the local utilities.

PPAs typically last for 20 years, after which the property owner can buy the solar energy system at a reduced price, extend the PPA, or remove the system.

This option allows property owners to benefit from solar energy without the upfront costs and maintenance responsibilities of owning a solar system.

Step 4: Select A Solar Installer

Selecting a reputable solar installer is crucial to ensure that your solar energy system is installed correctly and efficiently. Here are some benefits of selecting a solar installer:

Quality installation:

A professional solar installer has the knowledge and experience to install solar panels correctly and efficiently, ensuring that your system is installed to code and operates at peak efficiency.

Warranties and maintenance:

A reputable solar installer provides warranties and ongoing maintenance services, ensuring that your system remains functional and efficient over its lifespan.

Safety and compliance:

Solar installation involves working with high-voltage electrical systems, and a professional installer understands the safety requirements and compliance regulations necessary to complete the installation safely.

Permitting and inspections:

A professional installer handles the permitting and inspection process for your solar energy system, ensuring that your system meets all local building and electrical codes.

Here are some tips on how to find a reputable solar installer:

Do your research and look for reviews and ratings of solar installers in your area. Check their credentials, certifications, and experience in the industry.

Get multiple quotes from different installers to compare pricing, warranties, and services offered.

Ask the installer for references from previous customers and follow up with them to learn about their experience with the installer.

Look for installers who are certified by the North American Board of Certified Energy Practitioners (NABCEP), which is the most widely recognized certification for solar installers in the industry.

Choose an installer who you feel comfortable working with and who takes the time to address your questions and concerns.

By doing your research and selecting a reputable solar installer, you can ensure that your solar energy system is installed correctly and efficiently, providing you with clean, renewable energy for years to come.

Step 5: Install The Maintain System

Once you’ve selected a solar installer, they will help you plan and execute your solar energy system installation. After the installation, ensure that you perform regular maintenance on your system to optimize performance and longevity.

This may include cleaning the solar panels, monitoring system performance, and replacing components. Some solar installers offer maintenance and monitoring services to help keep your system running efficiently.


Transitioning from traditional to solar energy is now more accessible and affordable. Choosing between an off-grid and grid-tied solar system depends on your needs, priorities, and location.

Getting rough estimates that factor in your needs to determine the proper capacity and costs is available online from trusted sites.

You can avail yourself of loans and incentives to lessen costs and decide whether to go DIY or have a professional install and maintain your solar system. Consider the steps above and start making your home more energy-efficient.

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