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The Prairie Wolf Solar Project: Things You Need to Know


As one of the major landmarks in the renewable energy industry, the Prairie Wolf Solar Project is quite popular. However, other than the name and the basics, how well do people know about it?

Most likely, not much. However, this article changes that as it leaves no stone unturned regarding this intriguing project. From its site, size, and output to the timeline, expect these details.

There are also the technology used, advantages, and disadvantages. Do the benefits outweigh its drawbacks?

There is a perfect way of learning that, and that’s reading on. Check this article out!

The Prairie Wolf Solar Project Overview

Here’s an overview of the Prairie Wolf Solar Project

Project Site

National Grid Renewables announced that the Prairie Wolf Solar Project in Coles County, Illinois, commenced commercial operations in February 2021. The Prairie Wolf Solar Project comprises about 1,600 acres of a rural agricultural area. Its location was carefully picked because it was close to high-voltage transmission lines.

It makes it easier to distribute the electricity the solar panels produce effectively. Rural site placement minimizes the utilization of available land while minimizing the influence on populous regions.

Swinerton Renewable Energy performed the engineering, construction, and procurement work. In 2020, it was revealed that Prairie Wolf and Cargill have a virtual power purchase agreement (VPPA).

The first VPPA, covering a section of the 200 MW Crocker Wind Farm in South Dakota, was signed by Cargill and National Grid Renewables.

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Project Size

Over 480,000 solar panels have been used in the Prairie Wolf Solar Project, a significant solar energy initiative, to produce electricity. With a total installed capacity of 200 MW, it can generate enough power to sustain approximately 35,000 houses annually.

The project comprises solar panels, inverters, transformers, and other electrical equipment.

Power Output

The Prairie Wolf Solar Project is anticipated to generate about 421,000 MWh of power annually.

Annually, this amounts to a decrease of 285,000 metric tons in CO2 emissions according to the project’s installed capacity and anticipated solar irradiation.

Seasonal variations and other elements influence the project’s output. These elements include the weather, the effectiveness of the panels, and maintenance needs.

Project Timeline

The Prairie Wolf Solar Project schedule included significant building, commissioning, and continuing operations and maintenance dates. It was completely operational by 2022 after construction was underway in 2020.

The project’s ongoing operations and maintenance assure its dependability and performance. It incorporates regular inspections and repairs necessary to enhance power output and efficiency.

The Prairie Wolf Solar Project technology

The technical part comprises the following;

Solar Panel Technology

SOLV Energy, previously known as Swinerton Renewable Energy, constructed the project utilizing First Solar’s latest Series 6 thin-film solar modules. The Series 6 thin film solar modules from First Solar constitute the company’s latest generation. They are renowned for their low cost and excellent low-light performance.

Solar Energy Conversion

Solar panel inverters are responsible for converting the DC power generated by solar panels into AC power. The converted power can be utilized by households and businesses as electricity, effectively converting solar energy into usable power.

This energy conversion process is essential to ensure dependable and effective power distribution.

Solar Energy Storage

The Prairie Wolf Solar Project uses various solar energy storage technologies, including batteries and thermal storage. Let us examine a few of these choices in detail:

Battery storage

Battery storage is a popular way of storing solar energy. The extra electricity solar panels produce during intense sunlight is stored in batteries for later use during low solar generation.

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Small homes and huge, utility-grade battery storage systems are also possible sizes. They typically consist of several batteries connected in series or parallel to increase storage capacity.

Thermal storage

Another way to store solar energy is by thermal storage, which involves keeping the heat produced by solar thermal collectors. Solar thermal collectors use a medium like water or molten salts to store the heat that the sun generates.

The previously stored heat can subsequently be used to create steam. Steam powers a turbine to provide electricity or for heating applications in buildings or businesses, among other things.

The Prairie Wolf Solar Project uses these technologies to store excess solar energy. It goes a long way in providing a dependable and continuous power supply.

Energy storage is essential for solar projects to promote grid stability, integrate renewable energy into the current power system, and produce electricity regularly. It will occur even when solar generation is subpar.

Advantages Of Solar Energy Generated from The Prairie Wolf Solar Project

The Prairie Wolf Solar Project’s solar energy has several advantages, such as:


The sun’s rays constantly replenish solar energy, making it a renewable power source. Solar panels in the Prairie Wolf Solar Project provide electricity as long as the sun is out without consuming natural resources or emitting harmful gases.


The Prairie Wolf Solar Project is a sustainable energy initiative that aids in lowering air pollution, greenhouse gas emissions, and reliance on fossil fuels. Employing solar energy is a commendable strategy to combat climate change and mitigate carbon emissions.

Solar energy is a proven and eco-friendly source of power that does not produce harmful pollutants.


Recent years have seen a rise in the cost-effectiveness of solar energy, making it a competitive alternative to conventional energy sources. The Prairie Wolf Solar Project produces power competitively compared to fossil fuels. In addition, solar energy costs are projected to keep falling in the long run.

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Energy Security

Solar energy provides energy security since it lessens reliance on foreign oil and gas sources. The Prairie Wolf Solar Project reduces the region’s sensitivity to global energy price changes and increases its energy independence.

Creation Of Jobs

The Prairie Wolf Solar Project has generated local solar panel installation, maintenance, and operation employment. It assists regional economies and presents chances for new renewable energy careers.

Disadvantages Of Solar Energy Generated from The Prairie Wolf Solar Project

There are numerous benefits to solar energy produced by The Prairie Wolf Solar Project, but there are also some potential drawbacks, such as:


Sunlight is required to produce solar energy, which might be sporadic. The capacity of solar panels in the Prairie Wolf Solar Project to produce power can be impacted by cloudy days, darkness, and other circumstances.

It would necessitate extra energy storage systems or backup power sources to guarantee a steady power supply. That could raise the cost of the project as a whole.

Land Use

The Prairie Wolf Solar Project needed much space to put up solar panels. It entailed altering agricultural land, displacing wildlife, or removing natural ecosystems. Proper land management and siting considerations are crucial to minimizing potential harm to local ecosystems and land usage.

Upfront Cost

Solar energy has become more affordable recently. Nevertheless, the upfront expense of setting up solar panels and energy storage equipment can still be quite expensive. A barrier for developers at the start of the Prairie Wolf Solar Project was the potential need for a sizable upfront expenditure.

This expenditure covered equipment, installation, and grid connectivity.


Weather factors, such as cloud cover, pollution, and dust buildup on solar panels, impact solar energy production and lower the panels’ efficiency. To guarantee optimum performance, routine upkeep and cleaning may be necessary.

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