Quick question for the group - JEA (Jacksonville Electric Authority) interval data files include quality codes like "V", "E", "S" next to some of the 15-minute readings. Their customer service couldn't explain what these codes mean. Has anyone worked with JEA interval data and know what their quality code system represents? I'm seeing several "E" codes during peak demand periods for a Schedule CILM customer and want to make sure those readings are accurate for billing purposes.
JEA interval data quality codes - what do they mean?
Beth, I think "E" usually means estimated data in most utility interval systems. "V" is probably validated/verified readings, and "S" might be substitute or suspect. Alabama Power uses similar codes and "E" readings are definitely estimates that replace missing or invalid meter data. You should question any peak demand billing that's based on estimated interval readings, especially for large industrial customers where the financial impact is significant.
Zach's right about the "E" codes being estimates. TVA uses a similar system where estimated readings get flagged in the interval data files. The problem is that utility billing systems often treat estimated readings the same as actual meter readings for demand charges. If JEA is billing peak demand based on estimated 15-minute intervals, you have grounds to challenge the bill and demand actual meter readings or corrected data. Most tariffs specify that billing should be based on actual usage, not estimates.