Key data
| Regulation | Resolution of July 27, 2026, from the General Directorate of Energy Policy and Mines |
|---|---|
| BOE Publication | August 18, 2026 |
| Entry into force | August 18, 2026 |
| Developer | Naturgy Renovables, SLU |
| Cancelled project | PFVH San Blas — photovoltaic module of 39 MW + storage module of 20 MW |
| Location | Province of Valladolid |
| Associated wind farm | San Blas (39.6 MW, already existing) |
| Withdrawal date | May 8, 2026 |
| Category | Energy |
| Year | 2026 |
A renewable project of 59 MW combined has just disappeared from the energy map of Castilla y León. Naturgy Renovables submitted on May 8, 2026 the formal withdrawal of prior administrative and construction authorizations for the photovoltaic module PFVH San Blas and its storage module, and the General Directorate of Energy Policy and Mines accepted it through a resolution published on August 18, 2026 in the BOE (BOE-A-2026-17910).
The closure of the file is definitive: no interested third party requested its continuation within the allowed period. Naturgy maintains other renewable projects in accumulated processing in the same area, but this one in particular has no way back.
What does this resolution establish?
The resolution accepts Naturgy Renovables' withdrawal from two authorizations that were in processing before the General Directorate of Energy Policy and Mines:
- Prior administrative authorization of the PFVH San Blas photovoltaic module (39 MW installed capacity).
- Administrative construction authorization of the same photovoltaic module and the storage module (20 MW).
- Part of the evacuation infrastructure associated with both modules, also included in the withdrawal.
The project was conceived as a hybridization with the already operational San Blas wind farm (39.6 MW), taking advantage of its connection infrastructure. However, two obstacles blocked progress:
| Obstacle | Detail |
|---|---|
| Insufficient access and connection permits | The existing permits only covered the existing San Blas wind farm. They had not been updated to include the new photovoltaic and storage modules. |
| Ordinary environmental assessment required | The environmental assessment determined that the project required ordinary environmental assessment processing, the most complex and lengthy procedure, rather than simplified assessment. |
The procedure closes without any interested third party requesting its continuation, confirming the definitive nature of the file closure.
Economic and operational impact
For Naturgy, abandoning this file means giving up 59 MW of combined capacity (39 MW solar + 20 MW storage) in a province with good irradiation conditions. However, the company maintains other renewable projects in accumulated processing in the same area, suggesting a strategic reorientation rather than a complete withdrawal from the area.
For the sector in general, this case illustrates two concrete operational risks that can paralyze or increase costs for any photovoltaic project in state-level processing:
- Outdated access and connection permits: in hybrid or expansion projects, the existing permits of the original asset do not automatically transfer to new modules. Each new module requires verification and, if necessary, updating of access and connection permits to the grid.
- Ordinary vs. simplified environmental assessment: derivation to the ordinary procedure can add months or years to the processing timeline, altering the financial viability of the project.
Who does it affect?
- Naturgy Renovables, SLU: direct developer, loses this file but retains other projects in the area.
- Developers of photovoltaic projects in state-level processing: especially those planning hybridizations with existing wind or other assets.
- Developers of projects with storage modules: the solar + storage combination requires verifying that access and connection permits explicitly cover both modules.
- Energy processing advisors and consultants: must incorporate verification of access and connection permits and the type of applicable environmental assessment as critical steps in viability analysis.
- Renewable investors with projects in portfolio: the closure of this file is an indicator of processing risk that can affect valuations and return timelines.
Practical example
Imagine a developer that has an operational 40 MW wind farm in Castilla y León and wants to add a 35 MW photovoltaic module and a 15 MW storage system, taking advantage of the existing wind connection.
The most frequent mistake in this scenario is assuming that the access and connection permits of the wind farm already cover the new modules. As the PFVH San Blas case shows, the existing permits only covered the original wind farm. If the developer does not update the access and connection permits to explicitly include the photovoltaic module and storage module before advancing in processing, it exposes itself to exactly the same blockage that led Naturgy to withdraw.
Furthermore, if the project exceeds the thresholds that trigger ordinary environmental assessment (rather than simplified), the timeline can extend significantly, altering the business plan and project financing.
What should companies do now?
- Audit the access and connection permits of each project in portfolio: verify that they explicitly cover all modules (photovoltaic, storage, evacuation) and not just the original asset. If hybridizations are planned, process the update before advancing in authorizations.
- Review the type of applicable environmental assessment: determine in advance whether the project will require ordinary or simplified environmental assessment. If ordinary, recalculate processing timelines and costs in the business plan.
- Evaluate the viability of hybrid projects with existing assets: hybridization with wind farms or other assets may seem like a competitive advantage, but requires verifying that the permits of the original asset are extensible to new modules.
- Monitor Naturgy's accumulated projects in the area: the company maintains other files in processing in the Valladolid area, which may affect the available grid evacuation capacity for other developers.
- Consult the BOE and the DGPEM file registry: to identify whether any own or competitor project has suffered similar withdrawals that free up network capacity or modify the local competitive environment.
Frequently asked questions
Why did Naturgy withdraw from the PFVH San Blas project?
Two key factors: the existing access and connection permits only covered the existing San Blas wind farm (39.6 MW) and did not include the new photovoltaic (39 MW) and storage (20 MW) modules. Additionally, the environmental assessment determined that the project required ordinary environmental assessment processing, the most complex and lengthy procedure, which significantly increased project timelines and uncertainty.
Does the San Blas wind farm continue operating after this withdrawal?
Yes. The resolution only affects the authorizations of the PFVH San Blas photovoltaic module (39 MW) and the storage module (20 MW), as well as part of its evacuation infrastructure. The existing San Blas wind farm, with 39.6 MW of capacity, is not part of the withdrawal and continues operating normally.
Can another developer resume this cancelled file?
No. The procedure was definitively closed without any interested third party requesting its continuation within the allowed period. The resolution means the definitive cancellation of the PFVH San Blas file. Any developer wishing to develop a similar project in that area will have to start a new file from scratch.
What is the difference between ordinary and simplified environmental assessment for photovoltaic projects?
Ordinary environmental assessment is the most demanding procedure: it requires a complete environmental impact study, broader public information and longer resolution timelines. Simplified assessment is more agile and less costly. In the case of PFVH San Blas, the administration determined that the project required the ordinary one, which increased complexity and was one of the factors that led Naturgy to withdraw.
Does Naturgy completely abandon its renewable projects in Valladolid?
No. According to the resolution, Naturgy Renovables maintains other renewable projects in accumulated processing in the Valladolid area. The withdrawal of PFVH San Blas is a specific decision on this file, not a general withdrawal from the area.
Official source
Consult complete regulation in official source (BOE-A-2026-17910)
Disclaimer: 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-2026-17910