SLT Solar files environmental impact for 214.4 MWp solar plant Alianza Derramadero in Coahuila, Mexico
Type: Development · Technology: Solar · Country: Mexico · Capacity: 214.4142 MWp · Value: $117.71M · Announced: 2026-09-14
SLT Solar has filed a Manifestación de Impacto Ambiental Regional (MIA-R) with Mexico's DGIRA for the 214.4142 MWp Alianza Derramadero photovoltaic project in San José de la Joya, Saltillo, Coahuila. The 117.7 million USD project will feature 324,870 TSM-660DEG21C.20 modules with 21.20% efficiency and 21.20% efficiency, utilizing 23 Power Electronics HEMK FS4390-690V inverters and 23 transformation centers across two photovoltaic polygons totaling 262.524 hectares. The facility will include a 115 kV high-voltage transmission line of 2.2 km to evacuate electricity to a CFE substation, plus battery storage infrastructure, internal roads, perimeter fencing, three access kiosks, and a control center. The project was selected based on solar radiation conditions and proximity to the interconnection point, and is positioned outside protected areas and priority hydrological zones.
Analysis
SLT Solar filed a Manifestación de Impacto Ambiental Regional with Mexico's DGIRA for the 214.4142 MWp Alianza Derramadero photovoltaic project in San José de la Joya, Saltillo, Coahuila, valued at approximately USD 117.7 million. The project will sell its output to the state‑owned utility Comisión Federal de Electricidad (CFE). The plant will comprise 324,870 TSM‑660DEG21C.20 modules, 23 HEMK FS4390‑690V inverters, and a 2.2 km, 115 kV transmission line to a CFE substation, along with battery storage and ancillary infrastructure. The development was announced on 2026-09-14 and is positioned outside protected areas and priority hydrological zones.
Key points
- SLT Solar filed MIA‑R with DGIRA for 214.4142 MWp Alianza Derramadero project
- Project cost is USD 117.7 million
- Plant will use 324,870 TSM‑660DEG21C.20 modules and 23 HEMK FS4390‑690V inverters
- Includes 2.2 km, 115 kV transmission line to CFE substation
- Announced on 2026-09-14
Counterparties
- SLT Solar (Developer)
- Comisión Federal de Electricidad (CFE) (Offtaker)
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