Solar PV Analysis of Grand Rapids, United States
Grand Rapids, Michigan is a somewhat decent place for solar energy generation year-round, but it's not the best. The amount of electricity you can get from solar panels changes with each season: they work best in summer and spring when you can expect around 6.39kWh/day and 5.43kWh/day respectively per kW installed. In autumn, that number drops to about half at 3.13kWh/day and in winter it's even lower at just 1.79kWh/day.
To get the most out of your solar panels throughout the year in Grand Rapids, you should tilt them towards the South at an angle of about 37 degrees.
However, there are a few things that could make generating solar energy more difficult here:
1) Michigan has quite a lot of cloudy days which means less sunlight reaching your panels.
2) Snowfall during winter months could cover up your panels and stop them from working altogether until cleared off.
3) Trees or buildings may also block sunlight if they're too close to where you install your panels.
To deal with these issues:
1) You might want to consider getting special equipment or coatings on your panels that help gather more light on cloudy days.
2) Make sure to regularly clear snow off your panels so they can keep working all winter long.
3) Before installing anything, check for any potential obstructions like trees or buildings that could block sunlight from reaching your panel site; if possible choose a location without such obstructions for installation.
Remember though, while these steps will help improve how much energy you generate from solar power in Grand Rapids, this location isn't as ideal as some others due to its climate and weather conditions - especially during fall and winter seasons when daylight hours are shorter and cloud coverage is often higher than other places better suited for solar power generation such as those located closer to the equator.
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 Grand Rapids
Seasonal solar PV output for Latitude: 42.9332, Longitude: -85.6531 (Grand Rapids, 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 37° South in Grand Rapids, United States
To maximize your solar PV system's energy output in Grand Rapids, United States (Lat/Long 42.9332, -85.6531) 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.
Seasonally adjusted solar panel tilt angles for Grand Rapids, 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 Grand Rapids, 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 |
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 Grand Rapids, 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 Grand Rapids, 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 Grand Rapids, United States
Grand Rapids is located in the western part of Michigan, United States. The area is characterized by a mix of flat and gently rolling terrain. It's part of the Great Lakes region, which means it has a significant amount of water bodies around it including Lake Michigan to the west.
The city itself is largely urbanized with buildings, roads and other infrastructures. However, there are also green spaces within and around Grand Rapids such as parks and forests.
For large-scale solar PV installations, open areas with less shade would be ideal. This could include rural or semi-rural areas outside of the city where there may be farmland or other open spaces available for use.
It should also be noted that while Michigan does get quite a bit of cloud cover especially in winter months (which can affect solar energy production), modern solar panels can still produce electricity under these conditions - albeit at lower rates than under full sunlight.
In terms of specific locations near Grand Rapids that might be suitable for large-scale solar PV installations:
1) Areas to the east and south-eastern parts of Kent County where land use is primarily agricultural could potentially provide ample space for such projects.
2) Ottawa County to the west also has substantial amounts of farmland which could potentially host large-scale solar farms.
3) Another potential area could be north towards Muskegon County along I-96 corridor where there are larger tracts of undeveloped land.
However, any decision on location would need to take into account various factors including local zoning laws/regulations regarding renewable energy projects; proximity to existing power grid infrastructure for ease in connecting generated power etc., so detailed feasibility studies would likely need to be conducted before making any definitive decisions on site selection.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 4th of May 2024
Last Updated: Monday 21st of July 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!
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.
