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Stylized Text: Approved Modules.

1SolTech Inc.
671 N Plano Rd, Suite 202
Richardson, TX, 75081, USA


PV module registration is not a substitute for FSEC PV System Certification. The presence of a PV module on this list does not constitute certification for a PV system designed using that module. FSEC PV System Certification is a separate process that requires the use of registered modules.

For more information about FSEC PV System Certification including a list of certified systems, please visit this link.

1SolTech Inc.

Module Number Nameplate Rating
OS10-NT90-0101 1STH-235-WH 235
OS10-NT90-0102 1STH-240-WH 240
OS10-NT90-0103 1STH-245-WH 245
OS10-NT90-0104 1STH-250-WH 250


The following four character designations are used in the FSEC PV Module Registration number to indicate:

  • FSEC - Performance tested at FSEC
  • ACTL - Performance tested at another accredited testing laboratory
  • NT90 - Not tested at FSEC; certified at 90% of nominal nameplate power in accordance with the minimum power output requirements of UL 1703
  • NTAC - Not tested at FSEC; AC PV module
"-P" Indicates a provisional registration.