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Flag of United StatesSolar PV Analysis of Glendive, United States

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

Glendive, Montana presents a mixed picture for year-round solar energy generation, with significant seasonal variations that potential solar installers should carefully consider.

Seasonal Solar Performance

The location shows strong summer performance, generating 6.89 kWh per day per kW of installed solar capacity during the peak season. Spring also offers good production at 5.42 kWh per day per kW. However, the location faces considerable challenges during colder months, with autumn dropping to 3.24 kWh per day per kW and winter reaching a low of just 1.80 kWh per day per kW. This dramatic seasonal swing means that while Glendive can be quite productive during warmer months, winter solar generation drops to roughly a quarter of summer output. For maximum year-round energy production, solar panels should be installed at a fixed tilt angle of 40 degrees facing south.

Local Environmental and Weather Challenges

Several factors in Glendive can significantly impact solar panel performance and require specific preventative measures: **Snow and Ice Accumulation**: Montana's harsh winters bring heavy snowfall that can completely block solar panels for extended periods. Snow buildup reduces or eliminates energy production until panels are cleared. **Extreme Temperature Fluctuations**: The region experiences severe temperature swings between summer heat and bitter winter cold, which can stress panel materials and reduce efficiency over time. **High Winds and Severe Weather**: Montana's open terrain exposes solar installations to powerful winds, hailstorms, and severe weather events that can damage panels or mounting systems. **Dust and Agricultural Debris**: The rural, agricultural setting means panels can accumulate dust, pollen, and crop debris, reducing their efficiency.

Recommended Preventative Measures

  • Install panels at steeper angles (like the recommended 40-degree tilt) to help snow slide off naturally
  • Use robust mounting systems engineered for high wind loads and extreme weather conditions
  • Select panels rated for wide temperature ranges and thermal cycling
  • Implement regular cleaning schedules, particularly during growing seasons
  • Consider panels with anti-soiling coatings to reduce debris accumulation
  • Install adequate drainage around ground-mounted systems to prevent ice damming
While Glendive offers decent solar potential during spring and summer months, the significant winter production decline and harsh environmental conditions make it a moderately challenging location for year-round solar energy generation. Proper system design and maintenance protocols are essential for optimal performance.

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 Glendive

Seasonal solar PV output for Latitude: 47.0984, Longitude: -104.7275 (Glendive, 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 6.89kWh/day in Summer.
Autumn
Average 3.24kWh/day in Autumn.
Winter
Average 1.80kWh/day in Winter.
Spring
Average 5.42kWh/day in Spring.

 

Ideally tilt fixed solar panels 40° South in Glendive, United States

To maximize your solar PV system's energy output in Glendive, United States (Lat/Long 47.0984, -104.7275) throughout the year, you should tilt your panels at an angle of 40° 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: 47.0984, Longitude: -104.7275, the ideal angle to tilt panels is 40° South

Seasonally adjusted solar panel tilt angles for Glendive, 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 Glendive, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 40° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
30° South in Summer 51° South in Autumn 61° South in Winter 40° 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 Glendive, United States as follows: In Summer, set the angle of your panels to 30° facing South. In Autumn, tilt panels to 51° facing South for maximum generation. During Winter, adjust your solar panels to a 61° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 40° angle facing South to capture the most solar energy in Glendive, 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 Glendive, 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 Glendive, 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 Glendive, United States

Topography Around Glendive

Glendive sits in the heart of eastern Montana's badlands region, where the landscape is characterized by rolling hills, deep coulees, and dramatic rock formations carved by millennia of erosion. The city is positioned along the Yellowstone River valley, which creates a natural corridor through the otherwise rugged terrain. The elevation around Glendive ranges from approximately 2,000 to 2,400 feet above sea level, with the river valley representing the lowest elevations and the surrounding hills and ridges reaching the higher points. The terrain immediately surrounding Glendive features a mix of river bottomland and upland prairie. To the north and south of the city, the landscape rises into characteristic badlands topography, with steep-sided buttes, narrow valleys, and exposed sedimentary rock layers creating a complex pattern of ridges and ravines. These formations are part of the larger Hell Creek Formation, which extends throughout much of eastern Montana and western North Dakota. The Yellowstone River meanders through this landscape from southwest to northeast, creating fertile bottomland that contrasts sharply with the more arid uplands. Along the river corridor, cottonwood groves and agricultural fields occupy the flatter, more protected areas, while the higher elevations support native grasslands and sagebrush communities adapted to the semi-arid climate.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Glendive would be the broad, gently sloping upland areas that extend to the east and southeast of the city. These areas offer relatively flat terrain with minimal topographic shading, making them ideal for solar panel arrays. The high plains in this direction provide extensive open spaces with consistent elevations that would allow for efficient installation and maintenance of solar infrastructure. The river bottomlands, while flat, present challenges for solar development due to their agricultural value and potential flooding concerns during spring runoff periods. The steep-sided badlands formations to the north and south, though dramatic and iconic, are poorly suited for large-scale solar installations due to their irregular topography, difficult access, and the shading effects created by the numerous ridges and valleys. Areas with southern-facing slopes on the more gentle hills surrounding Glendive could also be considered for solar development, particularly those with gradual gradients that would not require extensive site preparation. The key factors favoring the eastern and southeastern areas include their relatively stable geology, good access to existing transportation infrastructure, and the absence of the deep coulees and dramatic elevation changes that characterize other parts of the regional landscape. The proximity to existing electrical transmission infrastructure along major transportation corridors would also be an important consideration, as these areas typically offer better access for both construction and ongoing maintenance operations while minimizing the environmental impact on the more sensitive badlands ecosystems.

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 Glendive, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 15th of August 2025
Last Updated: Saturday 16th 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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