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What exactly Is A Solar Energy Feasibility Study?

As the first essential step in creating a successful renewable energy project, a feasibility study examines if the array is financially and technologically viable. The feasibility study determines if the solar project gets the green light by identifying roadblocks in the beginning of the planning phase.

There are many essential factors to consider, such as location, proximity to utilities, net metering laws, site layout, energy storage potential, and cost, to name a few. It is vital to have a basic understanding of your project’s financing, interconnection challenges, solar equipment compatibility, local regulations, permitting requirements, and the solar radiation. These reports are usually intended for building, business, or landowners and are often used with grant applications. It is one of the first steps in the project development process.

Why Are Feasibility Studies Important For Solar Projects?

The goal is to limit project risk and address issues early. When identified, many critical design constraints can be overcome effectively with planning. Without a thorough feasibility analysis, solar power system installations are more likely to go over budget or get stalled. Unfortunately, such issues can reflect poorly on a solar installation company. Conversely, successful projects are an excellent way to gain positive publicity and reviews. These installations can help boost your reputation as a photovoltaic contractor and encourage word-of-mouth referrals.

What Goes Into A Feasibility Study?

It entails conducting a site inspection (when necessary), selecting the preliminary solar components, and making basic electricity production estimates. For simple residential systems, this process can be relatively simple. For larger or more complex solar PV installations, this process can be more involved and time-consuming, especially when there are numerous solar design constraints and financing options. We’ll touch on the most common things to include in a feasibility study below.

Project Background

It is crucial to understand the context for the project, such as the owner’s goals and desired outcomes. These factors drive the preliminary design process and help inform decisions, like whether or not to add a solar battery bank to an installation.

Site Selection

The potential site has numerous implications on the solar energy system, project viability, system performance, maintenance costs, and installation costs. For ground mounts, the topography will indicate if site work needs to be done and could impact the tilt angle of the PV panels. The site selection dictates if the land needs to be cleared, adding to the cost and environmental impact. Likewise, the location indicates what regulations impact the permitting fees and process, building codes, and utility interconnection.

Recommended Technologies

Feasibility studies include recommendations on solar PV panels, racking, inverters, and battery storage equipment (when applicable). Often, site conditions influence the options for a given solar power project. For example, if a site has low roof load limits, you might install a racking system that evenly distributes the weight and wind load of the system. Solar power generation on white roofs might be improved by using bifacial solar panels. Inverter selection may vary depending on whether the solar photovoltaic system has batteries.

Environmental, Regulatory Considerations and Juridictional Authority Considerations

Solar energy farm regulations vary by  various regulations issued by the Authority Having Jurisdiction (AHJ). Solar farms must comply with federal, National, State, Provincial or Regional, Munucipal environmental policies, and relevant law statutes that may include the Environmental, the Clean Water,  Endangered Species Act, Biodiversity etc. If a solar farm is installed on a capped landfill, the Environmental rules apply etc. For solar systems on historical or cultural sites, there may be additional restrictions etc. There are also ways to mitigate the environmental impact of the project during its operation. For example, planting greenery etc may reduce the irrigation requirements of the site and establish pollinator habitat. Some solar developers are even using sheep grazing instead of gas-powered mowers, reducing carbon emissions and operating expenses.

Economic Analysis

Understanding the financial implications of a solar installation is crucial for calculating the return on investment and reducing financial risk. Often, investors or owners need this information to determine if a project is financially viable. The economic analysis examines the project costs and revenue potential through renewable energy generation. It is vital to consider local and federal financial incentives, such as the investment tax credit, bonus depreciation, and MACRS depreciation. In some cases, local incentives or grants might be available, such as state clean energy rebates or the REAP grant (for agricultural producers or small businesses in rural areas). Some businesses pay demand charges for their energy use and it is crucial to understand how installing a solar PV farm system would impact the cost of energy. If a Power Purchase Agreement (PPA) is involved, it is critical to understand how its terms impact the economics of the project.

Community Impact

Solar photovoltaic installations do not happen in a vacuum. A commercial solar project may boost a company’s reputation by taking actions to mitigate climate change. Large-scale solar farms can have a bigger impact, both financially and environmentally. Such projects can increase tax revenue in a community and compensate landowners with lease payments. Many local governments and communities support reducing their reliance on fossil fuels and promoting energy efficiency. Likewise, taking farmland out of production or destroying wildlife habitat may be concerning to some communities. There is also a concern in some communities about creating local jobs instead of bringing in out-of-state solar installers.

When Are Feasibility Studies Not Needed?

The vast majority of solar installations benefit from a feasibility analysis to ensure that the proposed project realizes the project goals. The depth of the study varies by the project size, potential issues, and stakeholder demands. Even for an off-grid solar project, it’s helpful to determine if the proposed clean energy system will meet the renewable energy needs of the occupants, even if not performing a full analysis.

You Should Think Planning for a Succesful Project

A thorough and accurate feasibility study lays the foundation for a successful solar energy installation project. They are an excellent way for reputable companies to differentiate themselves by ensuring that all key stakeholders are well informed and that critical design constraints have been identified. Pacilo Tar Energy has completed a preliminary feasibility study and if needed will contract a third party consultant to complete a full fledged feasibility study

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