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Flag of United StatesSolar PV Analysis of Ossian, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Ossian, United States (by season)

Ossian, Indiana, located in the Northern Temperate Zone at coordinates 40.878, -85.1576, offers varying potential for solar PV energy generation throughout the year. The location experiences significant seasonal fluctuations in solar energy production, which is typical for this latitude in the continental United States.

Seasonal Solar Production

Solar panels in Ossian produce their highest output during summer months, generating approximately 6.36kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 5.48kWh/day per kW. Production decreases substantially during autumn (3.54kWh/day) and reaches its lowest point in winter, with just 2.21kWh/day per kW of installed capacity.

This seasonal variation means that Ossian residents can expect nearly three times more solar energy production in summer compared to winter months. The substantial difference highlights the importance of proper system sizing to ensure adequate year-round energy supply, particularly if aiming for significant energy independence.

Optimal Panel Installation

For fixed panel installations in Ossian, the ideal angle to maximize year-round solar production is 35 degrees tilted toward the South. This specific angle optimizes the total annual energy harvest by balancing seasonal variations in sun position and intensity throughout the year.

This calculated angle takes into account Ossian's northern hemisphere location and factors in the Earth's elliptical orbit to determine the most efficient fixed position for solar panels at this specific latitude.

Environmental and Weather Considerations

Several environmental factors in Ossian may impact solar production. Indiana experiences relatively frequent cloud cover, particularly during winter months, which can reduce solar panel efficiency. The region also receives moderate snowfall, which can temporarily cover panels and halt production until the snow melts or is removed.

To mitigate these challenges, solar installations in Ossian should consider these preventative measures:

  • Install panels at the recommended 35-degree tilt, which not only optimizes production but also helps snow slide off more easily
  • Implement a regular panel cleaning schedule, especially after snowfall events
  • Consider snow guards if the roof below panels is accessible to prevent dangerous snow slides
  • Size the system appropriately, accounting for the significant winter production decrease
  • Ensure panels are positioned to avoid shade from nearby trees, especially those that retain leaves year-round

With proper installation and maintenance practices, solar PV systems in Ossian can provide reliable renewable energy, particularly during the highly productive spring and summer months when electricity demand for cooling may also be higher.

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 Ossian

Seasonal solar PV output for Latitude: 40.878, Longitude: -85.1576 (Ossian, 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:

Summer
Average 6.36kWh/day in Summer.
Autumn
Average 3.54kWh/day in Autumn.
Winter
Average 2.21kWh/day in Winter.
Spring
Average 5.48kWh/day in Spring.

 

Ideally tilt fixed solar panels 35° South in Ossian, United States

To maximize your solar PV system's energy output in Ossian, United States (Lat/Long 40.878, -85.1576) throughout the year, you should tilt your panels at an angle of 35° 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.

The sun
At Latitude: 40.878, Longitude: -85.1576, the ideal angle to tilt panels is 35° South

Seasonally adjusted solar panel tilt angles for Ossian, 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 Ossian, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 35° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
25° South in Summer 45° South in Autumn 55° South in Winter 34° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Ossian, United States as follows: In Summer, set the angle of your panels to 25° facing South. In Autumn, tilt panels to 45° facing South for maximum generation. During Winter, adjust your solar panels to a 55° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 34° angle facing South to capture the most solar energy in Ossian, United States.

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 Ossian, 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 Ossian, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Ossian, United States

The landscape around Ossian, Indiana, is characterized by a gentle, rolling topography typical of the Midwestern United States. Located in Wells County, this area sits within what geographers call the Eastern Corn Belt Plains ecoregion. The terrain features subtle elevation changes with broad, flat plains interrupted by modest hills and shallow valleys. Elevation in this region generally ranges between 800 and 900 feet above sea level, with minimal dramatic relief features.

Local Waterways and Drainage

The area is part of the Wabash River watershed, with several small tributaries and streams flowing through the region. The Wabash River itself passes approximately 15 miles to the southwest of Ossian. These waterways have, over millennia, contributed to the gentle sculpting of the landscape, creating shallow valleys and subtle drainage patterns across otherwise level terrain.

Glacial Influence

The topography around Ossian bears the unmistakable imprint of glacial activity from the last ice age. When continental glaciers retreated northward thousands of years ago, they deposited till (unsorted glacial sediment) that formed the slightly undulating landscape visible today. This glacial history has resulted in fertile soils that support extensive agricultural use throughout the region.

Land Use Patterns

The land surrounding Ossian is predominantly agricultural, with vast expanses of cultivated fields dedicated to corn, soybeans, and other row crops. This agricultural dominance means large, open tracts of land with minimal tree cover outside of windbreaks, riparian corridors along streams, and small woodlots. Residential and commercial development is concentrated in and immediately around Ossian and neighboring communities.

Solar PV Suitability

For large-scale solar photovoltaic development, the areas most suitable near Ossian would be the extensive agricultural lands that feature:

Flat or Gently Sloping Terrain

The level to slightly rolling farmland that dominates the landscape provides ideal conditions for solar array installation. Areas with southern exposure on gentle slopes (2-5%) would be particularly advantageous for solar energy collection. These subtle south-facing inclines can be found throughout the agricultural belt surrounding Ossian.

Agricultural Land with Minimal Tree Cover

The expansive farm fields, particularly those currently used for row crops, represent prime opportunities for solar development. These areas already experience full sun exposure and have minimal shading concerns. The open agricultural land between Ossian and neighboring communities like Bluffton to the south and Decatur to the east contains numerous suitable parcels.

Proximity to Transmission Infrastructure

Areas near existing electrical transmission corridors would minimize interconnection costs. Several major transmission lines traverse the region, particularly running north-south and east-west connecting the various communities. Land parcels adjacent to these existing utility corridors would offer advantages for grid connection.

Areas with Limited Flooding Risk

While much of the region has good drainage, some low-lying areas near streams and drainage ways experience periodic flooding. The slightly elevated terrain between drainage basins would provide more reliable conditions for solar infrastructure. These higher elevation areas can be found throughout the agricultural landscape, typically between the shallow stream valleys. The combination of flat terrain, extensive open agricultural land, and existing grid infrastructure makes the rural areas surrounding Ossian potentially suitable for large-scale solar PV development, particularly in the agricultural corridors extending outward from the community in all directions.

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!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Ossian, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 22nd of May 2025
Last Updated: Sunday 30th of November 2025

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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.

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