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| Date | Hour count |
|---|---|
| 2017-12-10 | 1.6 |
| 2017-12-17 | 11.5 |
| 2018-12-17 | 488.9 100W installed 20181222 |
| 2019-12-16 | 1026.3 |
| 2020-12-19 | 1441.1 |
| 2021-03-20 | 1515.6 SPT-TR130W tube installed |
| 2021-05-15 | 1554.1 |
| 2021-06-19 | 1581.1 |
| 2021-07-17 | 1598.5 |
| 2021-08-21 | 1617.8 |
| 2021-10-20 | 1657.2 |
| 2021-12-01 | 1696.8 |