CSSC is accredited ISO/IEC17025:2008 by Thailand Industrial Standard Institute (TISI) in accreditation no. TESTING 0343 as follows scope.
- PV Module according to IEC61215:2005 (TIS 1843-2553) and IEC61646:2008 (TIS 2210-2555)
- Stationary lead-acid battery: Vented type according to IEC60896-11
- Inverter (Single phase, Grid-connected/Grid-tied) according to IEC61727
As National Standardization Act B.E. 2551 in Measure 20, CSSC has been applied the request of certification to TISI and has been appointed to assessment. The Certification No. 15T127/0330 still available to the accredited scopes.