What is the percentage of O&M compared to project costs? We think we could estimate less than 10% per year, in comparison to initial capex (depending on the system). By Saskia Peters|2021-03-22T16:58:06+01:00March 22nd, 2021|Comments Off on What is the percentage of O&M compared to project costs? Teilen Sie diesen Artikel! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: Saskia Peters