- Spanish government plans to expand Torrevieja desalination plant capacity from 80 to 120 hm³.
- Macro solar plant intended to reduce energy costs faces significant legal, environmental, and social challenges.
- Original site proposal on 200 hectares of fertile agricultural land sparked community and political backlash.
- option sites involve large agricultural estates, provoking opposition from local farmers and groups like Asaja Alicante.
- The solar plant aims to cut energy costs, representing 60% of desalinated water production expenses.
- Project delays have pushed potential completion past mid-2027, casting uncertainty on water price reductions.
Spain’s Solar Plant to Lower Desalination Costs Faces Hurdles in Torrevieja
in February 2024, Spanish Prime Minister pedro Sánchez announced two major infrastructure projects crucial for the agricultural sector in Murcia: an expansion of the Torrevieja desalination plant and a large solar power installation aimed at reducing the energy costs of desalinated water. While the desalination plant’s expansion from 80 to 120 hectometers cubed is underway, the accompanying solar plant project is encountering significant obstacles that have stalled its progress.
Background: The Need for More and Cheaper Desalinated Water
The Torrevieja desalination plant is a linchpin for water supply in Murcia, especially for the Campo de Cartagena region and the mar Menor. In 2024, it produced 84 hectometers cubed of desalinated water, 80% of which goes toward agricultural irrigation. Energy costs, mainly for the reverse osmosis process, account for around 60% of the production cost per cubic meter, which currently hovers at about one euro. To reduce these expenses, the government aims to pair the desalination unit wiht a macro solar power plant to supply cheaper, renewable energy.
Project Phases and emerging Conflicts
The solar plant project has advanced through three significant phases, each marked by conflict and setbacks:
- Initial proposal: Acuamed, the state-owned company managing the desalination plant, proposed building the solar facility on 200 hectares of fertile agricultural land near Torrevieja.This met fierce opposition from farmers, local political parties including the local PSOE, agricultural organizations like Asaja Alicante, and the Valencian government due to its impact on productive farmland.
- Negotiation for renewable assets: Acuamed attempted to acquire an existing solar project from Mercia, a renewable energy company that had approval for a similar-scale project nearby. Though, central government legal objections, mainly concerning rental costs versus expropriation, prevented a deal.
- New proposal: Acuamed shifted to a plan involving eight large agricultural parcels across four municipalities in Alicante, away from urban centers but consisting of high-value greenhouses and horticultural enterprises, including land owned by Grupo Lucas, a major Murcia-based vegetable producer.This alternative too has raised serious concerns from agricultural groups.
Opposition from Agriculture Sector
José Vicente Andreu, president of Asaja Alicante, described the ministry for Ecological Transition’s (Miteco) plans as “an outrageous project,” stressing the negative impacts on some of the best agricultural land in Alicante Province.Andreu explained that Miteco appeared to try to avoid social pressure by focusing the project on fewer but larger landowners, yet the opposition remains strong.
Asaja recognizes the need for the solar plant to reduce water costs but insists on finding solutions that protect the ecological, landscape, and environmental values of the impacted zones. The group fears that declaring the project of “public interest” may lead to expropriations despite strong local opposition.
Timeline and Uncertain Future
Currently, delays could extend the solar plant’s completion to mid-2027 or later, hampering efforts to reduce water production costs soon. The government’s goal is to use the solar installation to cut the 60% energy component of desalination expenses, eventually lowering the price that farmers and taxpayers bear.
| Project Aspect | Details |
|---|---|
| Desalination Plant Expansion | From 80 to 120 hectometers cubed capacity |
| Solar Plant Capacity | Approximately 75-85 megawatts |
| Original Solar Site | 200 hectares of fertile, productive land near Torrevieja |
| Current Solar Site Proposal | Eight large agricultural plots in four alicante municipalities |
| Estimated Project Completion | Mid 2027 or later |
Looking Ahead: Balancing Sustainability and Agricultural Needs
the Torrevieja desalination expansion and solar plant are vital to secure sustainable water resources for Murcia’s agriculture and reduce costs amid climate change and water scarcity challenges.Though, the conflicts highlight the delicate balance required between renewable energy advancement and protecting valuable farmland and local communities.
Finding a widely acceptable solution could require more innovative planning and stakeholder dialog, safeguarding economic, environmental, and social interests.
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