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Flag of United StatesSolar PV Analysis of Lapeer, United States

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

Lapeer, Michigan, located in the Northern Temperate Zone, presents a moderately suitable location for solar energy generation, though it faces significant seasonal variations typical of northern climates.

Seasonal Solar Performance

The solar energy output at this location varies dramatically throughout the year. Summer provides the strongest performance at 6.43 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.32 kWh per day per kW, offering excellent solar production potential. Autumn shows a notable decline to 2.99 kWh per day per kW, while winter presents the most challenging conditions with only 1.88 kWh per day per kW. This represents more than a three-fold difference between peak summer and winter production. For optimal year-round energy capture, solar panels should be installed at a fixed tilt angle of 37 degrees facing south. This angle maximizes total annual production by accounting for the sun's varying position throughout the seasons.

Environmental and Weather Challenges

Several factors in Lapeer's climate can significantly impact solar energy production:
  • Snow accumulation: Michigan winters bring substantial snowfall that can completely block solar panels, eliminating energy production until snow melts or is removed
  • Ice formation: Freezing rain and ice storms can create thick ice layers on panels, reducing efficiency even after the weather clears
  • Cloud cover: The region experiences frequent overcast conditions, particularly during autumn and winter months, which reduces solar irradiance
  • Seasonal storms: Heavy weather systems can bring sustained periods of reduced sunlight

Preventative Installation Measures

To maximize solar production despite these challenges, several installation strategies prove effective: Installing panels at the recommended 37-degree tilt helps snow slide off more easily compared to flatter installations. This steep angle works with gravity to naturally clear light snow accumulations. Ensuring adequate spacing between panel rows prevents shadows from accumulated snow on lower panels affecting higher ones. This spacing also improves air circulation, which helps with ice melting. Using high-quality panels rated for cold weather performance maintains efficiency during Michigan's harsh winters. Cold-weather panels actually perform better in low temperatures once snow and ice are cleared. Installing a monitoring system allows homeowners to track production and identify when panels need cleaning or snow removal. Some systems can detect unusual drops in production that indicate weather-related obstructions. Professional installation should include secure mounting systems designed for Michigan's wind and snow loads, ensuring panels remain properly positioned and undamaged through severe weather events.

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 Lapeer

Seasonal solar PV output for Latitude: 43.0514, Longitude: -83.3188 (Lapeer, 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 6.43kWh/day in Summer.
Autumn
Average 2.99kWh/day in Autumn.
Winter
Average 1.88kWh/day in Winter.
Spring
Average 5.32kWh/day in Spring.

 

Ideally tilt fixed solar panels 37° South in Lapeer, United States

To maximize your solar PV system's energy output in Lapeer, United States (Lat/Long 43.0514, -83.3188) throughout the year, you should tilt your panels at an angle of 37° 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: 43.0514, Longitude: -83.3188, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Lapeer, 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 Lapeer, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
27° South in Summer 46° South in Autumn 57° South in Winter 36° 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 Lapeer, United States as follows: In Summer, set the angle of your panels to 27° facing South. In Autumn, tilt panels to 46° facing South for maximum generation. During Winter, adjust your solar panels to a 57° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 36° angle facing South to capture the most solar energy in Lapeer, 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 Lapeer, 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 Lapeer, 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 Lapeer, United States

Topographical Features Around Lapeer

The topography surrounding Lapeer, Michigan is characterized by gently rolling terrain typical of the southeastern lower peninsula region. This area sits within the Great Lakes Plains physiographic province, where the landscape was shaped by glacial activity during the last ice age. The elevation changes are relatively modest, with the terrain featuring broad, low hills interspersed with shallow valleys and flat to slightly undulating plains. The region displays a mix of agricultural lands, scattered woodlots, and wetland areas. Much of the countryside consists of former glacial till plains that have been cleared for farming over the past century and a half. These agricultural areas typically feature gentle slopes that rarely exceed five to ten degrees, making them relatively accessible for development projects. Several small creeks and streams meander through the area, creating minor valleys and drainage corridors. The Flint River system influences the broader regional drainage patterns, though the immediate vicinity of Lapeer sits on higher ground between major waterways. Small wetland pockets and seasonal marshes dot the landscape, particularly in lower-lying areas where glacial deposits created natural depressions.

Soil Conditions and Land Stability

The underlying geology consists primarily of glacial deposits including clay, sand, gravel, and till materials left behind by retreating ice sheets. These deposits generally provide stable foundations, though some areas may contain softer clay soils that require additional consideration for heavy infrastructure. The relatively well-drained soils in many areas have made this region attractive for agriculture, which also suggests good conditions for other types of land development. Bedrock lies relatively deep beneath the surface in most locations, covered by these thick glacial deposits. This geological stability, combined with the generally level to gently sloping terrain, creates favorable conditions for large-scale construction projects.

Optimal Areas for Solar Development

The most suitable locations for large-scale solar installations would be the extensive agricultural fields that stretch across the gently rolling plains surrounding Lapeer. These areas offer several key advantages including minimal topographical obstacles, existing cleared land, and relatively good access to transportation infrastructure. The broad, open fields that currently support row crops like corn and soybeans provide ideal conditions with minimal shading concerns and consistent sun exposure throughout the day. Particularly promising areas include the agricultural lands extending southwest and southeast of the city, where the terrain is especially level and field sizes are substantial. These locations would minimize grading requirements and allow for efficient panel layout designs. The gentle slopes in these areas, typically facing various directions, provide opportunities to optimize panel orientation for maximum energy capture. Areas to avoid would include the scattered woodlots, wetland zones, and steeper slopes near stream corridors. The wetland areas, while relatively small, would present regulatory challenges and are not suitable for development. Similarly, the more heavily forested sections would require extensive clearing and might face environmental restrictions. The proximity to existing electrical transmission infrastructure along major roads and near the city itself makes the surrounding agricultural belt particularly attractive for solar development. Many of these farm fields are situated within reasonable distances of existing power lines and substations, which would facilitate grid connection for large-scale installations.

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 Lapeer, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 16th of July 2025
Last Updated: Wednesday 6th 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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