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irec index platform provides energy indexes for the monitoring of operating wind farms worldwide. These indicators, designed by Eoltech, are available in an easy-to-use format and constitute essential insights for asset managers to check the actual production capacity of their wind farm portfolio. Indeed, they allow to quantify the wind resource actually available and compare it to the production of their assets, month after month or over elapsed periods.

For a first level of analysis, January-to-date wind energy indexes are available for free on this platform for 300 regions over 40 countries (see Cumul irec).

	Databases        France (windfarms) France (national report) Europe (windfarms) World (windfarms) All databases

	PDF Summary

	Main windfarms in operation Fécamp Offshore (497,0 MW) Saint-Brieuc (496,0 MW) Noirmoutier (496,0 MW) Saint-Nazaire (480,0 MW) Sud Marne (126,0 MW) Richebourg 1 (92,4 MW) Sud Marne (75,4 MW) Germinon-Velye (75,0 MW) Champagne Picarde (72,6 MW) Forêt de Lanouée (64,6 MW) Levézou Salles-Curan (60,0 MW) Douiche (60,0 MW) Sambrès (53,3 MW) Langres Sud (53,3 MW) Le Moulin d’Emanville (51,0 MW)

	Recent windfarms Cent Mencaudées (18,5 MW) Chambon-Puyravault (33,6 MW) Eole Saint-Quentin Nord (16,0 MW) Les Terrages (9,0 MW) Groies de Parançay (8,4 MW) Les Terrages (3,0 MW) Saint-Jean-de-Liversay (18,0 MW) Romazières (6,0 MW) Saint-Bon (12,6 MW) Wanchy-Capval (29,4 MW)

	Legend #ND: no data (*): according to The Wind Power database

	Update for this sheet 15 February 2026