In 2017, EIS, the Energy Information Administration, changed its reporting requirements, for renewable energy projects. Many of Maine’s wind projects that previously provided monthly reports are now only required to file an annual report. The final (revised) 2016 data was made available On March 9. 2018. Here are the regs provided to me by EIA when I inquired about the change:
https://www.eia.gov/survey/form/eia_923/instructions.pdf (schedule 3 part D of EIA reporting instructions)
https://www.eia.gov/electricity/data/eia923/ (Section 2 of worksheet 6)
If you would like to see how these changes in reporting requirements affect Maine wind project reporting, take a look here:
It appears that only Bingham and Hancock wind projects are required to report monthly. It is also interesting to note that data collection is contracted out to a company named JBS International.
My cynical side is telling me this is a great way to cover up the failure of wind energy, especially in Maine!