Our activity, respectful of biodiversity and natural capital

1.     Recovery measures for populations of the lesser kestrel in Malaga with reintroduction and follow-up techniques. (Since 2019). Reintroduction of populations of the lesser kestrel and recovery of the population through stable colonies. From 2023, the return of the first individuals born in the colony has been observed. (Andalusia)

2.     Recovery measures for populations of the lesser kestrel in Aragon with reintroduction and follow-up techniques. (Since 2019). Reintroduction of populations of the lesser kestrel and recovery of the population through stable colonies. (Aragon)

3.     Osprey conservation in Cádiz and Huelva. (Since 2018). Installation of nesting and perching structures in the Bay of Cádiz, Huelva, and the Bornos and Arcos de la Frontera reservoirs to secure the local population and encourage expansion. Monitoring of breeding pairs and chick ringing. (Andalusia)

4.     Supplementary Feeding Points (SFPs) for the Black Vulture and other large raptors in the Pyrenees. (Since 2013). Support for the reintroduced Black Vulture population in the Pyrenees, as well as other threatened large raptors such as the Bearded Vulture and Egyptian Vulture, through the provision of specific carrion and monitoring. (Aragon and Catalonia)

5.     Black Vulture monitoring in Tajo Internacional Natural Park (Since 2018). Tagging, monitoring, and threat analysis for this cross-border Black Vulture colony (Portugal/Extremadura).

6.     Conservation strategies for the European roller in protected natural areas of Ampurdán. (Since 2016). Assistance to the nesting population of European roller by installing specific nest boxes in the Aiguamolls de l'Empordà Natural Park and Montgrí, Illes Medes i Baix Ter Natural Park (Girona). Greater understanding of the ecological needs of the species and the condition of the mentioned population. (Catalonia).

7.     Ornithological Yearbook for Baleares. Collaboration on the preparation of the Ornithological Yearbook for Baleares, a highly regarded scientific publication that includes records from wintering bird censuses, observations of rare bird species, and ornithological updates. (Baleares)

8.     LIFE Eurokite project. (Since 2020). Project for the reintroduction and monitoring of the red kite in Huelva and Badajoz for coordinated conservation of the species through a European LIFE project. Retrofitting of distribution lines in the study area (Andalusia and Extremadura).

9.     GPS tagging and tracking of the Little Bustard in the Campillos Region (Málaga) (Since 2022). Behavioural analysis, threat identification, spatial usage study, and individual monitoring of a population that has experienced a marked decline in recent decades. (Andalusia)

10.  Installation of 'colony-style' nest boxes for Lesser Kestrels on distribution grid pylons in Mollet de Peralada (Girona) (Since 2024), with the aim of increasing the availability of nesting cavities to encourage the establishment of Lesser Kestrels in the area. (Catalonia).

11.  Conservation of steppe birds in La Serena (Badajoz): Little Bustard, Great Bustard, and Sandgrouse (Since 2022). Habitat enhancement. Creation of a reserve with wetlands and food sources for steppe birds. (Extremadura).

12.  Monitoring and protection of the Montagu's Harrier (Since 2023). Collaboration with the Montagu's Harrier Protection Programme in Andalusia. Enrichment and enhancement of biodiversity. (Andalusia)

13.   Management of supplementary feeding stations (muladares) in El Espinar (Segovia) (Since 2023) Managing specialised feeding points to conserve and protect scavenging birds and large raptors in El Espinar. (Castilla y León)

14.  Biodiversity enhancement at solar facilities in Seville (Since 2024). Installation of nests, perches, water troughs, insect hotels, and planting to benefit and boost bird populations at the Corchas, Naranjos, San Antonio, Torrepalma, and Casaquemada Solar Photovoltaic Plants. (Andalusia)

15.  Feasibility study for Red Kite reintroduction in Aragon (Since 2022) Identification of threats and spatial usage of juvenile and adult Red Kite populations. Assessing the feasibility of reintroducing the species. (Aragon)

16.  Study on Endesa power lines and birdlife: Action prioritisation model. Creation of a predictive model to prioritise power line adaptation measures, based on factors such as pylon typology, location in relation to migratory routes, proximity to protected areas, climate conditions, topography, etc. (Cataluña)

17.  Birdlife passage permeability study (Since 2024) Research project on rotational speed vs. flight speed to protect birds from potential turbine blade strikes. (various regions, Spain)

18. Bearded Vulture conservation (Since 2025) Collaboration in the LIFE ‘PRO-QUEBRANTAHUESOS’ project for the recovery and conservation of the bearded vulture in the Iberian Peninsula. (Aragón, Castilla y León, Cataluña, and Andalucía)

19. Northern Bald Ibis in Cataluña. (Since 2025). Reintroduction of a species that became extinct in Cataluña more than 300 years ago, in the Aiguamolls de l’Empordà area, reinforcing the population in this territory with a stable and self-sustaining population. Endesa contributes to the project by protecting around 40 pylons with bird protection devices installed on structures located in Peralada and Pau, within the natural park. (Cataluña)

20. European Roller recovery in the Osona region. (Since 2025) Installation of species-specific nest boxes on Endesa distribution network pylons, with the aim of supporting the breeding and presence of the species (Coracias garrulus) in the Osona region. The stabilisation of a colony in this area could serve as a link between existing European roller populations in the Plana de Lleida and the Empordà, in Girona. (Catalonia).

21. Red Kite recovery in Mallorca. (Since 2025) This project is part of the red kite protection plan in Mallorca. Monitoring of specimens and analysis of causes of mortality. The project is carried out in collaboration with the Ministry of environment of the Government of the Illes Balears. (Baleares)

22. Enrichment of biodiversity in bear areas in the Lleida Pyrenees regions. (Since 2016). Habitat enhancement through the planting of native fruit-bearing trees and shrubs to support the reintroduced Brown Bear population in the Lleida Pyrenees Focus on harmonising conservation efforts with local human activities. (Catalonia).

23. Recovery of the Hermann's tortoise. (Since 2015). Establishment and maintenance of a breeding nucleus for the Hermann's tortoise, an endangered species whose only wild populations on the Iberian Peninsula are found in Catalonia. The project involves annual releases of approximately 30 recovered adults, followed by monitoring of individual specimens to assess habitat adaptation and reproductive success. (Catalonia).

24. Endesabats: study and monitoring of bats at Endesa hydroelectric facilities. (Since 2013). Expanding knowledge of chiropteran (bat) species inhabiting the tunnels and galleries of hydroelectric plants. The project involves testing new survey and tracking technologies, alongside the identification and prioritisation of conservation measures. (Catalonia, Andalusia, Extremadura, and Galicia)

25. Adaptation of anti-climbing structures in the Sierra de Aracena y Picos de Aroche Natural Park (since 2024). Conservation of bats and nocturnal raptors through the modification of anti-climbing devices on distribution grid pylons, to serve as roosting sites for target species. (Andalucía)

26. Camera trapping of mammals in wind farms (since 2023). Utilising camera-trap techniques for the detection, recording, and monitoring of mammal populations (Galicia, Castilla y León).

27. Conservation measures at the Calatrava cluster and Totana solar photovoltaic plant (since 2023). Environmental enhancements including the provision of nesting sites and water troughs, alongside biodiversity studies within the Calatrava cluster. (Castilla–La Mancha, Murcia)

28. 'The bee's corner': monitoring of physicochemical parameters in Endesa apiaries (since 2023). Monitoring of four hives across two apiaries located at the Las Corchas (Seville) and Minglanilla II (Cuenca) solar photovoltaic plants. The study examines the relationship between colony health parameters and both internal conditions (temperature, humidity) and external factors (food availability). (Andalucía, Castilla–La Mancha)

29. Biodiversity study at the Minglanilla I and II solar photovoltaic plants (since 2023). Monitoring of 15 sampling points using camera traps, bioacoustic recordings, transects, and sticky colour traps to identify local flora and fauna and determine key biodiversity indicators (Castilla–La Mancha)

30, 31, 32, 33. 'Endesa Forest' initiative (La Atalaya, Madrid, since 2016; Teruel, since 2021; Doñana, since 2019 and Baleares, since 2021). Reforestation of burned lands through direct seeding and planting of native tree species, followed by registration with the Spanish Climate Change Office (OECC) of the MITERD, as a CO₂ sequestering project, offering direct and tangible returns in the form of carbon credits. The initiative is an example of sustainability as it contributes to both the mitigation and adaptation to Climate Change, the restoration of natural capital in a fire-ravaged environment, and the social and economic development of the rural areas where it takes place.

34. Agri-environmental measures for the conservation of steppe birds at the Valdecaballeros Solar Photovoltaic Plant (since 2021). Sowing of cereals and legumes to create new habitats for steppe birds. Cereal crops provide an ideal mosaic for the shelter, breeding, and foraging of these species. (Extremadura)

35. Minglanilla insect hotel project (since 2023). Hydroseeding and planting of native flora to encourage the establishment and colonisation of various insect species. (Castilla-La Mancha)