Solar Campos del Condado VI: Arena Power Solar Withdraws Due to Seville-Huelva High-Speed Rail

Key data

A photovoltaic project of 57.535 MW that started in 2021, obtained a favorable environmental impact declaration in 2023 and achieved prior administrative authorization, is canceled in August 2026 due to a transport infrastructure that arrived too late to the table: the Seville-Huelva high-speed rail. The Resolution of August 5, 2026 from the Directorate General for Energy Policy and Mines accepts the withdrawal of Arena Power Solar 35, SLU and permanently archives file PFot-545.

This case illustrates a real risk for renewable energy promoters in Spain: the late approval of linear infrastructure—railway, road or energy transport—can invalidate substations and evacuation points already planned, even when the project has passed the most costly phases of the administrative procedure.

What does this resolution establish?

The resolution formally records and accepts the withdrawal submitted by Arena Power Solar 35, SLU of its request for administrative authorization for construction of the photovoltaic plant Campos del Condado VI, located in the municipalities of Beas, Trigueros and Gibraleón (Huelva).

The project timeline is as follows:

The resolution also partially records the promoter's request for return of economic guarantees deposited for the access and connection procedure to the transmission network.

Economic and operational impact

The withdrawal of Campos del Condado VI represents the loss of a 57.535 MW photovoltaic capacity installation in the province of Huelva. From an economic and operational perspective, the most relevant effects are:

• Economic guarantees at risk: The promoter had deposited guarantees for the access and connection procedure to the transmission network. The resolution partially records their return, which implies that part of them may not be recovered.
• Irrecoverable processing costs: Five years of administrative procedure (2021-2026), including environmental impact studies, detailed engineering and fees, represent a significant investment that generates no return.
• Expiration of network permits: Access and connection permits expired in January 2025, even before the formal withdrawal. Any replacement project in the area will have to start this procedure from scratch.
• Network capacity blockage: The power reserved in the transmission network is released, which may open opportunities for other promoters in the area, although subject to the same constraints as the high-speed rail.

Who does it affect?

• Renewable energy promoters with projects in the Huelva-Seville corridor: The approval of the Seville-Huelva high-speed rail informative study may affect other planned installations in the area with substations or evacuation infrastructure near the route.
• Photovoltaic sector companies with access and connection permits in processing: They should verify whether their planned connection points may be affected by linear infrastructure under approval.
• Investors and funds with participation in solar projects in Huelva: The case illustrates the risk of loss of value of assets under development due to changes in public infrastructure planning.
• Energy advisors and consultants: They need to incorporate the analysis of linear infrastructure (railway, road) in the due diligence of renewable projects.
• Local administrations of Beas, Trigueros and Gibraleón: The cancellation eliminates the economic and tax activity associated with the construction and operation of the plant.

Practical example

A photovoltaic promoter with a project with characteristics similar to Campos del Condado VI—57.535 MW, 220 kV collective substation, access and connection permits obtained—that has planned installations in the area of influence of the Seville-Huelva high-speed rail route must act immediately.

If the planned collective substation falls within the railway corridor approved in December 2024, the project faces exactly the same scenario as Campos del Condado VI: technical unfeasibility of the evacuation infrastructure. In that case, access and connection permits—which expire if progress is not made in the procedure—may expire before finding an alternative solution, as happened in January 2025 with this file.

The operational lesson is clear: verifying the compatibility of the evacuation point with the final route of the high-speed rail is not a secondary formality, but a condition of project viability.

What should companies do now?

1. Review the proximity of projects to the Seville-Huelva high-speed rail route: If you have photovoltaic projects in Huelva or in the Seville-Huelva corridor, verify whether the route approved in December 2024 affects your planned substations or evacuation infrastructure.
2. Check the status of access and connection permits: Permits expire if progress is not made in the procedure. Review the validity dates of your permits and act before they expire.
3. Request the return of guarantees if withdrawal is appropriate: If your project is unfeasible, submit the formal withdrawal and expressly include the request for return of economic guarantees deposited for access and connection, as Arena Power Solar 35, SLU did.
4. Incorporate the analysis of linear infrastructure in due diligence: Before starting new projects in the area, review the informative studies of railway and road infrastructure under processing that may affect evacuation points.
5. Consult with the Directorate General for Energy Policy and Mines: If you have doubts about the compatibility of your project with approved public infrastructure, request formal clarification before incurring further processing costs.

Official source

Consult complete regulation in official source (BOE-A-2026-18010)

Notice: This article is for informational purposes only and does not constitute legal advice. For specific decisions, consult a qualified professional. Source: https://www.boe.es/diario_boe/txt.php?id=BOE-A-2026-18010