IntelStor, a renewable energy market research and consulting firm, has uncovered that from 1978 through 2020, Denmark has seen a total loss of 7.85 TWh of wind energy production through a combination of curtailments, faults and failures as well as age-related asset performance degradation. Total lost revenue due to these factors has been calculated to be just under DKK 2.1 billion based on known power purchase contract prices as well as average annual settlement rates for any remaining assets not under contract.