Solar PV Analysis of Roseville, Michigan, United States
Roseville, Michigan, United States is a moderately suitable location for solar PV energy generation, with significant seasonal variations in electricity output. Located in the Northern Temperate Zone, this site experiences substantial fluctuations in solar production throughout the year.
Seasonal Solar Production
The solar energy potential in Roseville varies dramatically across seasons. Summer stands out as the most productive period, generating 6.34kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 5.49kWh/day. Production drops considerably in autumn to 3.22kWh/day, while winter experiences the lowest output at just 1.67kWh/day per kilowatt installed.
This pattern creates a nearly 4:1 ratio between summer and winter production, indicating that residents would need significantly more panels to maintain consistent energy generation during winter months compared to summer.
Optimal Installation Angle
For fixed panel installations in Roseville, the ideal tilt angle to maximize year-round solar production is 36 degrees facing South. This specific angle optimizes the annual solar harvest by balancing seasonal variations in the sun's position throughout the year.
Environmental and Weather Considerations
Several environmental factors can impact solar production in Roseville:
- Snow accumulation in winter months can significantly reduce output by blocking panels, requiring regular clearing or snow-shedding installation designs
- Cloud cover is relatively frequent in the Great Lakes region, particularly during late fall and winter
- Potential tree shading from the area's mature tree canopy
- Occasional hail storms that could damage panels
To mitigate these challenges, installations should incorporate durable panels rated for hail impact, mounting systems that facilitate snow shedding (often achieved with the 36-degree tilt), and careful site assessment to minimize tree shading. Additionally, microinverters or power optimizers can help reduce the impact of partial shading on overall system performance.
While Roseville isn't ideal for year-round solar production compared to sunnier regions, a properly sized system with seasonal expectations can still provide significant energy benefits, particularly from late spring through early fall.
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 Roseville, Michigan
Seasonal solar PV output for Latitude: 42.4973, Longitude: -82.9371 (Roseville, Michigan, 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 36° South in Roseville, Michigan, United States
To maximize your solar PV system's energy output in Roseville, Michigan, United States (Lat/Long 42.4973, -82.9371) 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.
Seasonally adjusted solar panel tilt angles for Roseville, Michigan, 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 Roseville, Michigan, 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 | 46° South in Autumn | 57° South in Winter | 35° 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 Roseville, Michigan, 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 Roseville, Michigan, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Roseville, Michigan, United States
The topography of Roseville, Michigan is characterized by its relatively flat terrain, which is a common feature of the southeastern Michigan landscape. Roseville is located in Macomb County, which is part of the broader Detroit metropolitan area. The city sits on what was once the bottom of ancient glacial Lake St. Clair, resulting in predominantly level ground with minimal elevation changes throughout the region.
The area around Roseville has an average elevation of approximately 600 feet (183 meters) above sea level, with very gentle slopes. This flat terrain is part of the larger Great Lakes Plain physiographic region. The nearby Clinton River and its watershed influence some minor topographical variations in the broader region, but these are modest compared to other parts of Michigan.
Surrounding Landscape Features
To the east of Roseville lies Lake St. Clair, which affects local weather patterns and creates a slight maritime influence on the immediate shoreline areas. The western portions of Macomb County gradually transition into slightly more rolling terrain, but still remain predominantly flat. This general flatness extends throughout much of the tri-county Detroit metropolitan region.
The soil composition in and around Roseville consists primarily of clay-rich glacial till and lacustrine (lake-formed) deposits, reflecting its geological history as part of a glacial lakebed. These soils tend to have moderate drainage capabilities, though some areas may experience seasonal wetness due to the high clay content and flat topography limiting natural drainage.
Solar PV Suitability in the Region
For large-scale solar photovoltaic (PV) installations, several areas near Roseville offer potential advantages. The most suitable locations would be found in the more rural portions of northern and western Macomb County, where larger tracts of open land are available. These areas maintain the advantageous flat topography while providing the necessary space for commercial-scale solar development.
Specifically, the agricultural and less developed lands in communities like Ray Township, Lenox Township, and northern Clinton Township present opportunities for solar development. These areas combine several favorable characteristics: minimal topographical barriers, limited tree cover compared to more northern parts of Michigan, and sufficient open space to accommodate large arrays.
The flat terrain throughout the region is particularly beneficial for solar PV installation as it minimizes grading requirements and simplifies construction, reducing overall project costs. Additionally, the absence of significant hills or mountains means there are fewer issues with shading from natural features, allowing for more optimal panel placement and orientation.
Former industrial or brownfield sites in the broader metropolitan area also merit consideration for solar development. These locations often have existing grid connections and represent an opportunity to repurpose previously developed land rather than converting agricultural or natural areas.
While the immediate vicinity of Roseville is heavily urbanized, limiting opportunities for truly large-scale solar development, the broader regional context offers numerous viable locations within a reasonable distance where the combination of flat topography, available land, and proximity to transmission infrastructure creates favorable conditions for utility-scale solar projects.
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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 7th of May 2025
Last Updated: Monday 21st of July 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.
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.
