Operations financed by the European Regional Development Fund (ERDF)
| Financing | Description | Contracting |
| Scientific Infrastructure Operational Programme (1994-1999) | Parts of the construction project of GTC | |
| REGIS II Community Initiative (1994-1999) | Parts of the construction project of GTC | |
| Programa Operativo de Infraestructura Científica (2000-06) | Parts of the construction project of GTC | |
| Technology Fund Operational Programme (2007-2013) | Folded Cassegrain | |
| Programa Operativo de Canarias (2007-2013) | Project for the construction of two multi-object spectrographs | |
| Technology Fund Operational Programme (2007-2013) | Improvements of the GTC Dome Shutters | |
| Programa Operativo de Canarias (2007-2013) | Extension of the GTC equipment. Phase 1 (2013-2015) | |
| Programa Operativo de Canarias (2007-2013) | Adaptive Optics System for the GTC | |
| Programa Operativo de Canarias (2014-2020) | Extension of the GTC equipment. Phase 2 (2014-2019) | |
| Programa Operativo Plurirregional de España 2014-2020 | Mejora de la ICTS Gran Telescopio Canarias (2016-2020) | Associated tenders and minor contracts |
| Programa Operativo FEDER Canarias 2014-2020 | Optimización de las observaciones infrarrojas del Gran Telescopio Canarias (IR_GTC) | Associated tenders and minor contracts |
| Programa Operativo Plurirregional de España 2014-2020 | Mejora y consolidación del Gran Telescopio Canarias (MECON_GTC) | Associated tenders and minor contracts |
Last modified: 21 February 2022
