# \[iEMS/ECOWatch\]How to delete data and re-calculate energy usage

**URL:** <https://forum.wise-paas.advantech.com/t/iems-ecowatch-how-to-delete-data-and-re-calculate-energy-usage/1623>\
**Category:** ECOWatch/HVAC\
**Tags:** InsightAPM, ECOWatch\
**Created:** [September 10, 2025, 9:33am UTC](https://forum.wise-paas.advantech.com/t/iems-ecowatch-how-to-delete-data-and-re-calculate-energy-usage/1623 "2025-09-10T09:33:27Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Simon\_Chiu](https://avatars.discourse-cdn.com/v4/letter/s/54ee81/32.png) [@Simon\_Chiu](https://forum.wise-paas.advantech.com/u/Simon_Chiu)\
**Post date:** [September 10, 2025, 9:33am UTC](https://forum.wise-paas.advantech.com/t/iems-ecowatch-how-to-delete-data-and-re-calculate-energy-usage/1623/1 "2025-09-10T09:33:27Z")

</div>

This SOP aim to delete energy consumption in ECOWatch by deleting original data and re-calculate energy usage in InsightAPM. We are going to deete 19/Aug/2025 data for example.

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/141ccb61e6d7c4ac151a8742d904ef424e90b845.png)

1. Before deleting data, please make sure your account is Super Admin.
2. Please go to InsightAPM and find the tag which bind to energy usage. Click data repair

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/9608362704f3f4574411841965f79e1b52a4e7a4.png)

1. Search data in 19/Aug/2025

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/e68469a3e67bd57b29e6195482718ef370036644.png)

1. Select “Current point of the current device” and correct time range then click “DELETE”

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/ad793916767b90e80dc634b974b4aff287b721c2.png)

1. Type tag name to ensure the tag you are going to delete data

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/c5793d4ca4a033ece4f15d94be8ec57637494b21.png)

1. Please go to System Monitoring –\> click ！ symbol in the right hand side of Usage Analysis

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/1bf25a74b32f739663822332d3ce22bd6df1b146.png)

1. Select correct Meter Asset → Query → Calculate

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/7498eb0709bea7b7029ad414ee447c222504dcb2.png)

1. Select correct time range then save

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/7e20c5643668fa30ed69255d23e1a403e0a05388.png)

1. System is rollbacking. You need to keep on pressing Query until status becomes finish

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/3ed5bbbf34a69d7d903ae0070893af128770eb08.png)

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/d35c2756ea432b947473765472eb37683911e765.png)

Result:

 ![image](https://canada1.discourse-cdn.com/flex032/uploads/wisepaasforum/original/1X/142da069261f8c3746ae63c2b3dff3b68a68f5c0.png)