Utility-Scale Solar Monitoring

Utility-Scale Solar Monitoring, Analytics & Reporting for the Largest Solar PV plant in Europe

CESTAS Project, the Largest Solar Plant in Europe

Type of Plant

Solar PV


300 MWp

Number of Panels




Client Activity

Developer & IPP

CESTAS Project, the Largest Solar Plant in Europe

NEOEN trusts QOS Energy’s Monitoring Platform for the Largest Solar PV Plant in Europe

NEOEN trusts QOS Energy to provide the data management platform for utility-scale solar PV plant, located in Cestas near Bordeaux (France). Made up of almost 1,000,000 solar panels, the CESTAS plant has a capacity of 300 MWp and has been commissioned in October 2015.

The largest solar plant in Europe produces annually 350 GWh, the equivalent to the residential electricity consumption of Bordeaux (249,000 inhabitants).



About Neoen

Neoen is an independent power producer, generating electricity from renewable sources (solar, wind or biomass). Neoen develops, finances, builds and operates plants and is active in France, Portugal, Australia, Mexico, Egypt, Mozambique, Jamaica, Zambia, Jordan and El Salvador. With a current operating base of 1GW, Neoen seeks to achieve installed power of over 3,000MW by 2020. Founded in 2008, the company is a subsidiary of Impala SAS, a diversified investment group with over 6,000 employees and a global presence, of Bpifrance, the French public investment bank, and of private equity firm Omnes Capital.

More info about NEOEN

“QOS Energy offers a real advantage given that their energy monitoring solution is multi-energy (solar, wind, biomass,etc. ) and compatible with any type of equipment. It is fully configurable allowing us to align it to our business needs. “

Carole Descroix

Operations Manager at NEOEN

Download the full client case