Yecla, Murcia, Spain presents a good location for year-round solar PV energy generation, though with significant seasonal variation typical of Mediterranean climates in the Northern Temperate Zone.

Seasonal Solar Performance

The solar energy output at Yecla shows strong seasonal patterns. Summer delivers the highest production at 7.92 kWh per day per kW of installed capacity, making it the peak generation period. Spring follows as the second-best season with 6.02 kWh per day per kW, offering excellent solar conditions as daylight hours increase and temperatures remain moderate. Autumn production drops to 4.29 kWh per day per kW as the sun angle decreases and weather patterns change. Winter presents the most challenging period with only 2.91 kWh per day per kW, representing less than 37% of summer output levels. For fixed panel installations at this location, the optimal tilt angle is 33 degrees facing south to maximize total year-round production. This angle balances the sun's varying elevation throughout the seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Yecla region can impact solar panel performance:

• Dust accumulation from the semi-arid Mediterranean climate and agricultural activities
• Occasional hailstorms during spring and autumn transition periods
• Hot summer temperatures that can reduce panel efficiency
• Seasonal cloud cover and precipitation patterns

Preventative Measures for Optimal Performance

To maximize energy production despite these challenges, several installation strategies prove effective. Regular cleaning schedules become essential, particularly during dry periods when dust accumulation peaks. Installing panels with adequate ventilation spacing helps combat efficiency losses from high summer temperatures. Protective measures against hail damage include selecting panels with strengthened glass and robust mounting systems. Proper drainage design prevents water pooling during the wetter months, while strategic positioning away from agricultural dust sources where possible helps maintain panel cleanliness. Overall, Yecla offers favorable conditions for solar PV installation, with strong summer and spring performance offsetting the lower winter output typical of temperate Mediterranean locations.

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

Link: Solar PV potential in Spain by location

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

Seasonal solar PV output for Latitude: 38.6146, Longitude: -1.106 (Yecla, Spain), 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 33° South in Yecla, Spain

To maximize your solar PV system's energy output in Yecla, Spain (Lat/Long 38.6146, -1.106) throughout the year, you should tilt your panels at an angle of 33° 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 Yecla, Spain

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 Yecla, Spain. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 33° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
22° South in Summer	43° South in Autumn	54° South in Winter	31° 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 Yecla, Spain

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 Yecla, Spain.

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 Yecla, Spain

Topographical Features of Yecla

Yecla sits in the interior of southeastern Spain within the Murcia region, positioned on elevated terrain at approximately 600 meters above sea level. The landscape around this historic wine-producing town is characterized by rolling hills and gentle slopes that form part of the broader Meseta Central plateau system. The terrain consists primarily of limestone and clay soils, with scattered rocky outcrops that create a semi-arid Mediterranean landscape.

The topography immediately surrounding Yecla features a series of low mountain ranges and hills, including the Sierra de Salinas to the northwest and smaller elevated areas that create natural boundaries between agricultural valleys. These formations are generally modest in height, rarely exceeding 1,000 meters, which means they don't create significant shadowing effects across the broader landscape. The terrain slopes gradually toward the southeast, creating natural drainage patterns that have shaped the local geography over millennia.

The area experiences a continental Mediterranean climate with minimal cloud cover throughout much of the year, making it well-suited for solar energy applications. The relatively flat to gently undulating terrain between the hill systems provides extensive areas of open land that receive consistent solar exposure without significant topographical obstructions.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations around Yecla lie in the broad valleys and gentle slopes that extend primarily to the south and southeast of the town. These areas combine favorable topographical conditions with practical considerations for solar farm development. The terrain in these zones is sufficiently flat to minimize grading costs while maintaining enough gradient for natural drainage and cleaning runoff.

The agricultural plains extending toward the municipalities of Jumilla and Villena offer particularly attractive conditions for solar development. These areas feature minimal elevation changes, good accessibility via existing road networks, and are situated away from the more densely populated residential zones. The soil composition in these areas, while suitable for traditional agriculture, also provides stable foundations for solar mounting systems.

Areas to the west and southwest of Yecla present additional opportunities, where the landscape opens into broader valleys with southern exposure. These locations benefit from being positioned on the leeward side of the local hill systems, which helps reduce wind loading on solar installations while maintaining excellent solar access throughout the day.

The elevated plains to the north of Yecla, while slightly higher in elevation, offer advantages in terms of atmospheric clarity and reduced dust accumulation. These areas feature good southern exposure and are generally free from the shadowing effects that might be created by the more prominent topographical features in the region. The slightly higher elevation also provides natural cooling benefits that can improve photovoltaic panel efficiency during warmer months.

Spain solar PV Stats as a country

Spain ranks 10th in the world for cumulative solar PV capacity, with 15,952 total MW's of solar PV installed. This means that 9.00% of Spain's total energy as a country comes from solar PV (that's 6th in the world). Each year Spain is generating 237 Watts from solar PV per capita (Spain ranks 20th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Spain?

Yes, there are several incentives for businesses wanting to install solar energy in Spain. These include the following:



1. The Spanish government offers a feed-in tariff (FIT) for businesses that install solar energy systems. This FIT guarantees a fixed price per kWh of electricity generated by the system over a period of 20 years.



2. Businesses can also benefit from tax deductions and other financial incentives when installing solar energy systems in Spain.



3. Companies may be eligible for grants or subsidies from regional governments or local authorities to help cover the cost of installation and maintenance of their solar energy systems.



4. Businesses may also be able to take advantage of net metering, which allows them to sell excess electricity generated by their solar energy system back into the grid at market prices, thus reducing their overall electricity costs even further.

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

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.