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Flag of United StatesSolar PV Analysis of Coloma, United States

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

Coloma, Michigan experiences significant seasonal variation in solar energy production, making it a moderately suitable location for year-round solar PV generation in the Northern Temperate Zone.

Seasonal Solar Performance

The location shows strong summer performance at 6.51 kWh per day per kW of installed capacity, followed by decent spring output of 5.33 kWh per day. However, production drops considerably during autumn (3.13 kWh per day) and reaches its lowest point in winter at just 1.71 kWh per day. Summer represents the peak solar generation period, producing nearly four times more energy than winter months. Spring emerges as the second-best season for solar production, while autumn and winter show substantially reduced output due to shorter days and lower sun angles typical of Michigan's northern latitude.

Optimal Installation Setup

For maximum year-round energy production at this Coloma location, solar panels should be installed at a fixed tilt angle of 36 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighing daily solar potential against actual irradiance data.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Coloma area can significantly impact solar energy generation:
  • Heavy snow accumulation during winter months can block panels completely
  • Lake-effect snow from nearby Lake Michigan creates frequent winter storms
  • High humidity and frequent cloud cover reduce solar irradiance
  • Ice formation on panels during freeze-thaw cycles
  • Strong winds from Lake Michigan can damage improperly secured installations

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove effective:
  • Install panels at steeper angles (40-45 degrees) to promote natural snow shedding
  • Use anti-reflective, textured panel surfaces that shed snow more easily
  • Ensure adequate spacing between panel rows to prevent snow buildup
  • Install robust mounting systems rated for high wind and snow loads
  • Consider heated panel edges or snow removal systems for critical applications
  • Position installations away from areas prone to ice dam formation
Regular maintenance becomes particularly important during winter months, though the steep recommended tilt angle of 36 degrees helps naturally clear snow and debris. The location's proximity to Lake Michigan requires extra attention to corrosion-resistant materials and secure mounting to withstand lake-effect weather patterns.

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 Coloma

Seasonal solar PV output for Latitude: 42.1861, Longitude: -86.3084 (Coloma, 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 6.51kWh/day in Summer.
Autumn
Average 3.13kWh/day in Autumn.
Winter
Average 1.71kWh/day in Winter.
Spring
Average 5.33kWh/day in Spring.

 

Ideally tilt fixed solar panels 36° South in Coloma, United States

To maximize your solar PV system's energy output in Coloma, United States (Lat/Long 42.1861, -86.3084) throughout the year, you should tilt your panels at an angle of 36° 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: 42.1861, Longitude: -86.3084, the ideal angle to tilt panels is 36° South

Seasonally adjusted solar panel tilt angles for Coloma, 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 Coloma, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 36° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
26° South in Summer 45° South in Autumn 56° South in Winter 35° 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 Coloma, United States as follows: In Summer, set the angle of your panels to 26° facing South. In Autumn, tilt panels to 45° facing South for maximum generation. During Winter, adjust your solar panels to a 56° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 35° angle facing South to capture the most solar energy in Coloma, 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 Coloma, 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 Coloma, 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 Coloma, United States

Topographical Features Around Coloma

The area surrounding Coloma, Michigan is characterized by gently rolling terrain typical of the southwestern Michigan landscape. This region sits within the Great Lakes Plain, where the topography has been shaped by ancient glacial activity that left behind a relatively flat to moderately undulating surface. The elevation changes are generally gradual, with most areas ranging from approximately 600 to 800 feet above sea level. The landscape features a mix of agricultural fields, scattered woodlands, and occasional wetland areas. The terrain includes gentle slopes and broad, open valleys that were carved by glacial meltwater thousands of years ago. Small creeks and seasonal waterways meander through the area, creating subtle depressions in the otherwise gently rolling countryside.

Soil and Drainage Characteristics

The underlying geology consists primarily of glacial till and outwash deposits, creating well-drained soils in most areas. Sandy loam soils dominate much of the region, though there are pockets of heavier clay soils in lower-lying areas. The generally good drainage means that most locations do not experience prolonged water accumulation, which is beneficial for ground-mounted installations. Some areas near small waterways may have seasonal moisture retention, but the majority of the surrounding landscape maintains stable ground conditions throughout the year. The soil composition and drainage patterns contribute to relatively stable foundation conditions for large installations.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations would be the broad, gently sloping agricultural fields that extend in several directions from Coloma. These areas offer the ideal combination of minimal topographical obstacles, good drainage, and open exposure. The southeastern and southwestern portions of the surrounding area are particularly well-suited, as they feature extensive flat to gently rolling farmland with few trees or structures that could create shading issues. Fields that slope gently toward the south or southwest would be especially advantageous, as they naturally orient solar panels toward optimal sun exposure angles. The agricultural areas also typically have existing road access, which would facilitate construction and maintenance activities. Areas to avoid would include the more heavily wooded sections, particularly those with mature tree cover that would require extensive clearing. Additionally, the immediate vicinity of creeks and wetland areas should be avoided due to potential environmental restrictions and less stable ground conditions. The rolling hills with steeper slopes, while not extremely challenging, would be less cost-effective compared to the flatter agricultural parcels that dominate the region.

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 Coloma, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 1st of August 2025
Last Updated: Friday 8th of August 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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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.

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