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Flag of United StatesSolar PV Analysis of Havre De Grace, United States

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

Havre de Grace, Maryland offers a moderately favorable location for year-round solar energy generation, though like most locations in the Northern Temperate Zone, it experiences significant seasonal variation in solar production capacity.

Seasonal Solar Performance

The solar energy output at this location shows typical patterns for the mid-Atlantic region. Summer provides the strongest performance at 6.40 kWh per day per kW of installed capacity, making it the prime season for solar generation. Spring follows as the second-best performing season at 5.60 kWh per day per kW, offering excellent conditions as the sun angle increases and before summer heat potentially affects panel efficiency. Autumn production drops to 3.70 kWh per day per kW as daylight decreases and sun angles become less favorable. Winter presents the most challenging conditions with only 2.20 kWh per day per kW, representing about one-third of summer production levels.

Optimal Panel Configuration

For fixed solar panel installations at Havre de Grace, the ideal tilt angle is 34 degrees facing south to maximize total year-round energy production. This angle represents the optimal compromise between capturing high summer sun and lower winter sun angles throughout the annual cycle.

Local Environmental Challenges

Several environmental and weather factors in the Havre de Grace area can impact solar energy production:
  • Chesapeake Bay humidity and maritime climate can increase atmospheric moisture, reducing solar irradiance
  • Frequent cloud cover and overcast conditions, particularly during winter months
  • Snow accumulation during winter can temporarily block panels
  • Salt air from the nearby Chesapeake Bay can accelerate corrosion of mounting hardware
  • Occasional severe weather including thunderstorms and nor'easters

Preventative Installation Measures

To maximize solar production despite these challenges, several installation strategies prove beneficial. Using marine-grade mounting hardware and regular cleaning schedules help combat salt air corrosion and atmospheric deposits. Installing panels at the recommended 34-degree tilt naturally helps snow slide off more easily than flatter installations. Selecting high-quality inverters with robust weather protection ensures reliable operation during humid conditions. Regular maintenance including panel cleaning and vegetation management around the installation site helps maintain optimal performance year-round. While Havre de Grace isn't among the nation's most ideal solar locations, proper system design and maintenance can achieve reliable renewable energy production, with particularly strong performance from spring through early autumn.

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 Havre De Grace

Seasonal solar PV output for Latitude: 39.5509, Longitude: -76.0757 (Havre De Grace, 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 6.40kWh/day in Summer.
Autumn
Average 3.70kWh/day in Autumn.
Winter
Average 2.20kWh/day in Winter.
Spring
Average 5.60kWh/day in Spring.

 

Ideally tilt fixed solar panels 34° South in Havre De Grace, United States

To maximize your solar PV system's energy output in Havre De Grace, United States (Lat/Long 39.5509, -76.0757) throughout the year, you should tilt your panels at an angle of 34° 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: 39.5509, Longitude: -76.0757, the ideal angle to tilt panels is 34° South

Seasonally adjusted solar panel tilt angles for Havre De Grace, 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 Havre De Grace, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 34° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
23° South in Summer 44° South in Autumn 55° South in Winter 32° 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 Havre De Grace, United States as follows: In Summer, set the angle of your panels to 23° facing South. In Autumn, tilt panels to 44° facing South for maximum generation. During Winter, adjust your solar panels to a 55° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 32° angle facing South to capture the most solar energy in Havre De Grace, 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 Havre De Grace, 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 Havre De Grace, 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 Havre De Grace, United States

Topographical Features of Havre de Grace

Havre de Grace sits at the confluence of the Susquehanna River and the Chesapeake Bay in northeastern Maryland, creating a distinctive landscape shaped by water and gentle terrain. The city occupies a strategic position where the broad Susquehanna River meets the expansive waters of the Chesapeake Bay, resulting in a topography characterized by low-lying areas, modest hills, and extensive waterfront features.

The immediate terrain around Havre de Grace consists primarily of rolling hills and coastal plains typical of the Mid-Atlantic region. Elevations in the area range from sea level along the waterfront to approximately 200 feet above sea level on the higher ground inland. The landscape is generally gentle, with gradual slopes rather than steep inclines, making much of the surrounding area relatively accessible for development and land use activities.

The Susquehanna River creates a significant geographical feature as it widens dramatically before entering the Chesapeake Bay. This river system has carved out floodplains and deposited sediments over thousands of years, creating relatively flat areas along the water's edge. Moving away from the water, the terrain gradually rises through a series of terraces and gentle ridges that extend inland toward the Pennsylvania border.

Regional Landscape Characteristics

The broader region around Havre de Grace is part of the Piedmont Plateau transitioning to the Atlantic Coastal Plain. This geological transition creates a varied landscape with both forested areas and open agricultural land. The soil composition includes a mix of clay, loam, and sandy soils, with drainage patterns influenced by the numerous streams and creeks that flow toward the Susquehanna River and Chesapeake Bay.

Wetlands and marshes are common features near the waterfront areas, particularly along the bay shoreline and in the river delta regions. These areas support diverse ecosystems but also present challenges for certain types of development. Moving inland, the landscape becomes more suitable for various land uses, with forests, farmland, and residential developments occupying the higher and better-drained areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Havre de Grace would be found on the gently sloping upland areas located west and northwest of the city. These areas offer several advantages including stable, well-drained soils, minimal flood risk, and relatively open terrain that would require less clearing and grading for solar panel installation.

The agricultural areas extending into Cecil County to the north and Harford County to the west present excellent opportunities for solar development. These locations typically feature large, relatively flat parcels with good access to existing electrical infrastructure. The gentle south-facing slopes in these areas would be particularly well-suited for solar installations, as they provide optimal panel orientation while maintaining good drainage characteristics.

Areas to avoid for large-scale solar development include the immediate floodplains along the Susquehanna River and Chesapeake Bay, wetland areas, and the steeper slopes found in some of the more heavily forested regions. The low-lying areas near the water are subject to flooding and have environmental sensitivities that would complicate large-scale development projects.

The transportation corridor along Interstate 95, which passes west of Havre de Grace, offers additional advantages for solar development in terms of access for construction and maintenance activities. The relatively flat terrain in this corridor, combined with existing utility infrastructure, makes it an attractive area for utility-scale solar projects that could serve the broader Baltimore-Washington metropolitan region.

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 Havre De Grace, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 17th 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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