Prescott Valley, Arizona, located in the Northern Sub Tropics, offers a promising environment for solar energy generation throughout the year. The location's solar potential varies across seasons, with significant output even during less favorable periods.

Seasonal Solar Performance

Solar energy production in Prescott Valley peaks during the spring and summer months. In spring, panels can generate an impressive 7.90 kWh per day for each kilowatt of installed capacity. Summer follows closely with 7.67 kWh/day. These seasons provide optimal conditions for solar energy harvesting, with long daylight hours and typically clear skies. Autumn sees a moderate decrease in production, yielding 5.30 kWh/day. While lower than spring and summer, this output still represents significant energy generation potential. Winter experiences the lowest production at 3.76 kWh/day. However, it's worth noting that even during this less favorable season, solar panels continue to generate a substantial amount of electricity.

Optimal Panel Installation

To maximize year-round solar energy production in Prescott Valley, fixed solar panels should be installed at a 30-degree tilt angle facing south. This orientation allows for optimal sunlight capture throughout the year, balancing the varying sun angles across seasons.

Environmental Considerations

While Prescott Valley generally provides excellent conditions for solar energy production, there are a few environmental factors to consider: 1. Dust and pollen: The arid climate can lead to dust accumulation on panels, potentially reducing efficiency. Regular cleaning and maintenance can mitigate this issue. 2. Monsoon season: Arizona experiences a monsoon season from June to September, which can bring sudden rainstorms and increased cloud cover. However, these events are typically short-lived and do not significantly impact overall annual production. 3. Extreme heat: Summer temperatures in Prescott Valley can be very high. While solar panels operate efficiently in heat, extremely high temperatures can slightly reduce their efficiency. Ensuring proper ventilation during installation can help mitigate this effect. Despite these minor challenges, Prescott Valley remains an ideal location for solar energy production. With its abundance of sunny days and high solar irradiance levels, the area offers excellent potential for both residential and commercial solar installations throughout the year.

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 Prescott Valley

Seasonal solar PV output for Latitude: 34.6011, Longitude: -112.3259 (Prescott Valley, 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 30° South in Prescott Valley, United States

To maximize your solar PV system's energy output in Prescott Valley, United States (Lat/Long 34.6011, -112.3259) throughout the year, you should tilt your panels at an angle of 30° 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 Prescott Valley, 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 Prescott Valley, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
18° South in Summer	39° South in Autumn	49° South in Winter	27° 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 Prescott Valley, 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 Prescott Valley, 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.

Topography for solar PV around Prescott Valley, United States

Prescott Valley, located in central Arizona, is situated in a diverse and picturesque landscape characterized by rolling hills, expansive grasslands, and scattered pine forests. The town itself sits at an elevation of approximately 5,100 feet above sea level, nestled within a broad valley surrounded by mountains and mesas. To the west of Prescott Valley, the terrain becomes more rugged as it transitions into the Bradshaw Mountains. These mountains feature steep slopes, rocky outcrops, and dense pine forests. The elevation increases significantly in this direction, with some peaks reaching over 7,000 feet. To the east and northeast, the landscape opens up into a vast expanse of high desert plateau. This area is characterized by gently rolling hills, scattered juniper and pinyon pine trees, and stretches of open grassland. The terrain here is generally flatter and more uniform compared to the western side of the valley.

Solar PV Potential

When considering areas nearby that would be most suited for large-scale solar PV installations, the eastern and northeastern regions of Prescott Valley hold the most promise. These areas offer several advantages for solar energy development: Firstly, the relatively flat terrain of the high desert plateau provides ample space for large solar arrays without the need for extensive land grading or modification. This reduces construction costs and environmental impact. Secondly, the open nature of the landscape means there are fewer obstacles that could cast shadows on solar panels, maximizing their exposure to sunlight throughout the day. The scattered vegetation in this area is generally low-growing and sparse, further reducing potential shading issues. Thirdly, the higher elevation of the region, combined with its typically clear skies, results in excellent solar insolation levels. This means that solar panels in this area can capture a significant amount of solar energy year-round. However, it's important to note that any large-scale solar PV development would need to carefully consider environmental factors, such as wildlife habitats and plant ecosystems, as well as local zoning regulations and land use policies. Additionally, the proximity to existing power infrastructure and the capacity of the local grid to accommodate large-scale solar input would need to be evaluated. While the areas to the east and northeast of Prescott Valley appear most suitable for solar PV development, a comprehensive site assessment would be necessary to determine the optimal locations for such projects.

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!

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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.

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.