Jeffersonville, Indiana, located in the Northern Temperate Zone, offers a moderate potential for solar energy generation throughout the year. The city's geographical position at latitude 38.3015 and longitude -85.7469 provides varying levels of solar irradiance across different seasons.

Seasonal Solar Production

Solar energy production in Jeffersonville fluctuates significantly between seasons. Summer stands out as the most productive period, with an average daily output of 6.24 kWh per kW of installed solar capacity. Spring follows closely, generating 5.56 kWh/day. Autumn sees a noticeable decrease to 3.91 kWh/day, while winter experiences the lowest production at 2.22 kWh/day.

The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in this location. This pattern suggests that Jeffersonville is most suitable for solar energy production during the warmer months, from late spring through early fall.

Optimal Panel Installation

For those considering a fixed panel installation in Jeffersonville, the ideal tilt angle to maximize year-round solar production is 33 degrees facing South. This angle is calculated based on the location's latitude and accounts for the Earth's elliptical orbit, ensuring optimal exposure to sunlight throughout the year.

Environmental Considerations

While Jeffersonville's climate is generally favorable for solar energy production, there are some environmental factors to consider. The region experiences a humid subtropical climate, which can lead to occasional challenges:

• Cloud cover: Jeffersonville averages about 195 sunny days per year, which is slightly below the US average. Cloudy days can reduce solar panel efficiency.
• Precipitation: The area receives an average of 46 inches of rain annually, which can temporarily decrease solar output.

To mitigate these factors, consider installing high-efficiency panels that perform well in low-light conditions. Additionally, ensuring proper drainage and regular cleaning of panels can help maintain optimal performance during rainy periods.

In conclusion, while Jeffersonville may not be ideal for year-round solar production due to significant seasonal variations, it still offers good potential, especially during summer and spring. With proper installation and maintenance, solar PV systems can be a viable renewable energy option for this Indiana city.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 4253 locations across the United States. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in the United States by location

Solar output per kW of installed solar PV by season in Jeffersonville

Seasonal solar PV output for Latitude: 38.3015, Longitude: -85.7469 (Jeffersonville, United States), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

 

Ideally tilt fixed solar panels 33° South in Jeffersonville, United States

To maximize your solar PV system's energy output in Jeffersonville, United States (Lat/Long 38.3015, -85.7469) throughout the year, you should tilt your panels at an angle of 33° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

Seasonally adjusted solar panel tilt angles for Jeffersonville, United States

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Jeffersonville, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
22° South in Summer	42° South in Autumn	53° South in Winter	31° South in Spring

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Jeffersonville, United States

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Jeffersonville, United States.

Our calculation method

1. Solar Position:
   We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
2. Shadow Projection:
   We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
3. Minimum Spacing:
   We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.

Topography for solar PV around Jeffersonville, United States

Jeffersonville, located in southern Indiana, sits along the north bank of the Ohio River, directly across from Louisville, Kentucky. The topography of the area is characterized by gently rolling hills and flat river plains, typical of the Ohio Valley region. The city itself is primarily situated on relatively flat terrain, with some low-lying areas near the river that are prone to flooding during heavy rainfall or when the river swells. As you move away from the river and into the surrounding countryside, the landscape becomes more varied. To the north and east of Jeffersonville, the terrain gradually rises into a series of low hills and ridges. These areas are part of the larger Southern Indiana Lowlands region, which features a mix of farmland, forests, and scattered residential developments.

Potential for Solar PV Development

When considering areas near Jeffersonville for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be those with ample open space, minimal shading from trees or structures, and relatively flat terrain to reduce installation costs and maximize sun exposure. The rural areas to the north and east of Jeffersonville offer promising potential for solar PV development. These regions feature expansive farmlands and open fields that could be repurposed or dual-used for solar energy production. The gently rolling hills in these areas provide a good balance between flat terrain and slight elevation changes that can help optimize panel placement for maximum sun exposure throughout the day. Another area with potential for solar PV development lies to the northwest of Jeffersonville, in the vicinity of Charlestown State Park. This region features a mix of open spaces and lightly forested areas that could be suitable for solar installations, provided that careful site selection and environmental assessments are conducted. It's important to note that while the immediate vicinity of Jeffersonville may have some limitations due to urban development and the flood-prone areas near the Ohio River, the broader surrounding region offers numerous opportunities for large-scale solar PV projects. The key would be to identify specific sites that balance favorable topography with proximity to existing electrical infrastructure and minimal environmental impact.

United States solar PV Stats as a country

United States ranks 2nd in the world for cumulative solar PV capacity, with 95,209 total MW's of solar PV installed. This means that 3.40% of United States's total energy as a country comes from solar PV (that's 26th in the world). Each year United States is generating 289 Watts from solar PV per capita (United States ranks 15th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United States?

Yes, there are several incentives for businesses wanting to install solar energy in the United States. These include federal tax credits, state and local rebates, net metering policies, and renewable energy certificates (RECs). Additionally, many states have enacted legislation that requires utilities to purchase a certain amount of electricity from renewable sources such as solar.

Do you have more up to date information than this on incentives towards solar PV projects in United States? Please reach out to us and help us keep this information current. Thanks!

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.