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Flag of United StatesSolar PV Analysis of La Marque, United States

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

La Marque, Texas, located in the Northern Sub Tropics, offers a promising environment for solar energy generation throughout the year. With its geographical position at latitude 29.3643 and longitude -94.971, this location experiences varying levels of solar potential across different seasons.

Seasonal Solar Performance

Solar energy production in La Marque peaks during the summer months, with an impressive average daily output of 6.61 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.44 kWh/day, while autumn sees a slight decrease to 4.85 kWh/day. Winter experiences the lowest production at 3.38 kWh/day, but still maintains a reasonable output.

Optimal Panel Installation

For fixed panel installations in La Marque, the ideal tilt angle to maximize year-round solar production is 26 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.

Best Times for Solar Generation

The most productive period for solar energy in La Marque spans from late spring through early fall. During these months, longer daylight hours and higher sun angles contribute to increased solar output. However, the region's subtropical climate ensures relatively consistent solar potential year-round, making it a suitable location for solar PV systems.

Environmental and Weather Considerations

While La Marque's climate is generally favorable for solar energy production, there are some factors to consider:

  • Hurricanes and tropical storms: The Gulf Coast location makes La Marque susceptible to severe weather events, which could potentially damage solar installations.
  • High humidity: The area's humid climate may lead to increased dust accumulation on panels, slightly reducing efficiency.

To mitigate these risks, solar installations in La Marque should incorporate sturdy mounting systems designed to withstand high winds. Regular cleaning and maintenance of panels can help combat the effects of humidity and dust accumulation. Additionally, investing in high-quality, weather-resistant equipment can ensure better long-term performance and durability in this coastal environment.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° 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 La Marque

Seasonal solar PV output for Latitude: 29.3643, Longitude: -94.971 (La Marque, 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 6.61kWh/day in Summer.
Autumn
Average 4.85kWh/day in Autumn.
Winter
Average 3.38kWh/day in Winter.
Spring
Average 5.44kWh/day in Spring.

 

Ideally tilt fixed solar panels 26° South in La Marque, United States

To maximize your solar PV system's energy output in La Marque, United States (Lat/Long 29.3643, -94.971) throughout the year, you should tilt your panels at an angle of 26° 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: 29.3643, Longitude: -94.971, the ideal angle to tilt panels is 26° South

Seasonally adjusted solar panel tilt angles for La Marque, 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 La Marque, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 26° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
13° South in Summer 34° South in Autumn 45° South in Winter 23° 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 La Marque, United States as follows: In Summer, set the angle of your panels to 13° facing South. In Autumn, tilt panels to 34° facing South for maximum generation. During Winter, adjust your solar panels to a 45° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 23° angle facing South to capture the most solar energy in La Marque, 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 La Marque, 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 La Marque, 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 La Marque, United States

La Marque, located in Galveston County, Texas, is situated in a region characterized by its flat, low-lying topography. The area surrounding La Marque is part of the Gulf Coastal Plain, which is known for its expansive, level terrain with very little elevation change. This landscape is a result of centuries of sediment deposition from rivers and coastal processes. The topography around La Marque is predominantly flat, with elevations generally ranging from sea level to about 20 feet above sea level. The land is punctuated by numerous bayous, creeks, and wetlands, which are typical features of this coastal region. To the east of La Marque, the terrain gradually transitions into coastal marshes and eventually meets the waters of Galveston Bay.

Suitability for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The flat terrain surrounding La Marque offers some advantages for solar development, as it minimizes the need for extensive land grading and preparation. The most suitable areas for large-scale solar PV near La Marque would likely be found in the slightly higher elevation areas to the north and west of the city. These locations, while still relatively flat, are less prone to flooding and have better drainage compared to the low-lying coastal areas. The agricultural lands and open spaces in these directions provide potential sites for solar farms. However, it's important to note that the Gulf Coast region, including the area around La Marque, faces challenges for solar development due to its humid subtropical climate. The region experiences frequent cloud cover and precipitation, which can reduce solar energy potential. Additionally, the risk of hurricanes and tropical storms in this coastal area must be considered when planning large-scale solar installations. Despite these challenges, advancements in solar technology and careful site selection could still make solar PV development feasible in the region. Areas with good road access, proximity to existing electrical infrastructure, and minimal environmental sensitivities would be the most promising for large-scale solar projects near La Marque.

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 La Marque, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 12th of November 2024
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.

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