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Flag of United KingdomSolar PV Analysis of Braintree, United Kingdom

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

Braintree, England, United Kingdom, offers varying potential for solar PV energy generation throughout the year. Located in the Northern Temperate Zone, this location experiences significant seasonal fluctuations in solar electricity production.

Seasonal Solar Production

Solar panels in Braintree perform best during summer months, generating approximately 5.08kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.34kWh/day per kW. Production drops considerably during autumn to 2.22kWh/day per kW, while winter sees the lowest output at just 0.99kWh/day per kW of installed capacity.

This pattern creates a roughly 5:1 ratio between summer and winter production, highlighting the seasonal nature of solar generation at this latitude. Spring and summer (March through August) represent the prime solar harvesting period, accounting for approximately 70% of the annual energy production.

Optimal Panel Installation

For fixed solar panel installations in Braintree, England, the ideal tilt angle to maximize year-round energy production is 44 degrees facing South. This specific angle optimizes the capture of available sunlight across all seasons, balancing between the higher summer sun and lower winter sun positions.

Potential Challenges and Solutions

Several environmental factors could affect solar production in Braintree:

  • Cloud cover and fog: The UK's climate includes frequent overcast conditions, particularly during autumn and winter months, which can reduce solar irradiance.
  • Rainfall and humidity: Braintree experiences regular precipitation throughout the year, which can temporarily decrease panel efficiency.
  • Dust and pollen: Agricultural activities in Essex may contribute to airborne particles that accumulate on panels.
  • Bird droppings: Common in rural/suburban areas and can cause significant localized production losses.

To mitigate these challenges, consider implementing self-cleaning panel technologies, regular maintenance schedules, and potentially installing panels at a slightly steeper angle than the optimal 44 degrees to facilitate natural cleaning during rainfall. Additionally, micro-inverters or power optimizers can help minimize the impact of partial shading from nearby trees or buildings, which is particularly important during winter months when the sun angle is low.

Despite these challenges, Braintree's location still offers viable solar energy potential, particularly when system design accounts for the seasonal variations and local environmental factors.

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 911 locations across United Kingdom. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in United Kingdom by location

Solar output per kW of installed solar PV by season in Braintree

Seasonal solar PV output for Latitude: 51.8812, Longitude: 0.5545 (Braintree, United Kingdom), 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 5.08kWh/day in Summer.
Autumn
Average 2.22kWh/day in Autumn.
Winter
Average 0.99kWh/day in Winter.
Spring
Average 4.34kWh/day in Spring.

 

Ideally tilt fixed solar panels 44° South in Braintree, United Kingdom

To maximize your solar PV system's energy output in Braintree, United Kingdom (Lat/Long 51.8812, 0.5545) throughout the year, you should tilt your panels at an angle of 44° 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: 51.8812, Longitude: 0.5545, the ideal angle to tilt panels is 44° South

Seasonally adjusted solar panel tilt angles for Braintree, United Kingdom

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 Braintree, United Kingdom. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 44° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
35° South in Summer 55° South in Autumn 65° South in Winter 44° 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 Braintree, United Kingdom as follows: In Summer, set the angle of your panels to 35° facing South. In Autumn, tilt panels to 55° facing South for maximum generation. During Winter, adjust your solar panels to a 65° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 44° angle facing South to capture the most solar energy in Braintree, United Kingdom.

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 Braintree, United Kingdom

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 Braintree, United Kingdom.

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 Braintree, United Kingdom

The area surrounding Braintree in Essex, United Kingdom sits within a gently undulating landscape characteristic of the East Anglian region. Located approximately 40 miles northeast of London, Braintree occupies a position on slightly elevated ground in comparison to the surrounding countryside. The topography consists primarily of low, rolling hills and shallow valleys, with elevations typically ranging between 50 to 100 meters above sea level. To the north and east of Braintree, the land gradually transitions into the flatter expanses of the Essex countryside, while to the south and west, the terrain becomes marginally more pronounced with subtle ridges and shallow depressions. The River Brain, from which the town derives its name, flows through the area, creating a minor valley feature that influences the local landscape.

Soil and Land Characteristics

The geological foundation around Braintree consists predominantly of London Clay overlain with glacial deposits, creating moderately fertile soils that have historically supported agricultural activities. The area features a mix of arable farmland, pastures, and scattered woodland copses. This agricultural heritage means that significant portions of the surrounding countryside consist of open fields with minimal tree cover, particularly in areas that have been actively farmed.

Suitable Areas for Solar PV Development

When considering large-scale solar photovoltaic installations near Braintree, several factors make certain areas more favorable than others. The gently sloping south-facing hillsides present in the region offer optimal conditions for solar energy capture. These areas benefit from reduced shadowing effects and favorable sun angles throughout the day. Particularly promising locations include: The agricultural lands to the south and southwest of Braintree, where several relatively flat plateaus with southern aspects exist. These areas typically have good drainage characteristics and minimal flooding risk, which is beneficial for ground-mounted solar arrays. The slightly elevated terrain northeast of Braintree, extending toward Halstead, offers several expanses of open farmland with minimal visual impact on residential areas. These locations combine favorable topography with existing access to transportation infrastructure. The region between Braintree and Great Notley contains several parcels of land with appropriate slope orientation and minimal obstructions from tall vegetation or structures. These areas also benefit from relative proximity to existing electrical infrastructure, potentially reducing connection costs.

Topographical Considerations for Solar Development

The modest nature of the hills around Braintree means that few areas suffer from significant north-facing slopes that would substantially reduce solar gain. However, the shallow valleys can experience localized morning and evening shadowing effects, making the broader, more open plateaus generally preferable for large installations. Drainage is another important consideration in this landscape. While not mountainous, the undulating nature of the terrain creates natural watershed patterns. Solar developments are best situated on gentle slopes rather than in low-lying areas where seasonal waterlogging might occur. The clay-rich soils can retain moisture, making proper site assessment essential. The existing pattern of hedgerows and small woodland blocks throughout the countryside provides natural screening that could help integrate solar developments into the landscape with minimal visual disruption. These natural features also support the ecological networks that would need to be maintained and potentially enhanced as part of any large-scale development. In summary, the topography around Braintree presents favorable conditions for solar PV development, with its combination of gently undulating terrain, predominance of south-facing aspects, and open agricultural character. The most suitable areas tend to be the slightly elevated, well-drained agricultural plateaus with southern aspects, good access to infrastructure, and minimal impact on sensitive landscape features or residential views.

United Kingdom solar PV Stats as a country

United Kingdom ranks 14th in the world for cumulative solar PV capacity, with 13,689 total MW's of solar PV installed. This means that 4.00% of United Kingdom's total energy as a country comes from solar PV (that's 20th in the world). Each year United Kingdom is generating 203 Watts from solar PV per capita (United Kingdom ranks 25th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United Kingdom?

Yes, there are several incentives for businesses wanting to install solar energy in the United Kingdom. The UK government offers a Feed-in Tariff (FiT) scheme which pays businesses for every unit of electricity they generate from their solar panels. Additionally, businesses may be eligible for tax reliefs such as Enhanced Capital Allowances and Renewable Heat Incentives. Finally, some local authorities offer grants or other financial support to help businesses with the cost of installing solar energy systems.

Do you have more up to date information than this on incentives towards solar PV projects in United Kingdom? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Braintree, United Kingdom
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 14th of June 2025
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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