Mexico’s Hidalgo state government said the withdrawal of the Tulancingo solar project’s environmental review process does not affect three other PV-plus-storage developments in the state with planned battery capacity totaling 117.78 MW/358.45 MWh.
The projects – Delfín Solar, FV Tecozautla, and Alten Hidalgo 100 MW – have combined generation permits for up to 408.47 MW, according to federal records. The three projects represent one of the larger permitted solar-plus-storage clusters currently advancing in Mexico.
The clarification follows the decision by Desarrollos Fotovoltaicos de México del Centro to withdraw the environmental assessment process for the 118.88 MW Tulancingo solar project in Singuilucan, which included battery storage infrastructure and a 230 kV transmission line.
Hidalgo’s Economic Development Secretariat said Tulancingo was separate from the three solar-plus-storage projects promoted with state support in Singuilucan, Nopala de Villagrán, and Tecozautla.
Delfín Solar has a permit for 55 MW/172.27 MWh of battery storage alongside up to 172.8 MW of generation capacity. FV Tecozautla includes 31.39 MW/96.09 MWh of storage and up to 122.37 MW of generation capacity, while Alten Hidalgo 100 MW includes 31.39 MW/90.09 MWh of storage and up to 113.3 MW of generation capacity.
The three projects received permits in December 2025 under Mexico’s federal process for priority generation and interconnection requests aligned with national energy planning. The permits require developers to obtain final environmental, social, and interconnection approvals before construction.
Hidalgo officials said FV Tecozautla’s progress will also depend on the outcome of a legal challenge and community consultation process in the area.
From pv magazine Mexico
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