TWIA’s 2020 Rate Adequacy Analysis, posted pursuant to Sec. 2210.3511, Texas Insurance Code, consists of the following documents:

• Cover Letter [Cover Letter 2020.pdf]
• Rate Adequacy Presentation to the Actuarial & Underwriting Committee [Actuarial and Underwriting Committee Presentation 2020.pdf]
• A summary of the hurricane model input assumptions [Assumptions 2020.pdf]
• A memorandum describing the TWIA Residential Rate Adequacy Analysis, including a discussion of actuarial methodologies and conclusions [Residential Memo 2020.pdf]
• Residential Rate Indication Exhibits [Residential Exhibit 2020.xlsx]
• A memorandum describing the Commercial Rate Adequacy Analysis, including a discussion of actuarial methodologies and conclusions [Commercial Memo 2020.pdf]
• Commercial Rate Indication Exhibits [Commercial Exhibit 2020.xlsx]
• Model Output provided by modelers:
  • AIR Average Annual Loss by County [County Loss AIR 2020.xlsx] [County Loss AIR 2020.pdf]
  • RMS Average Annual Loss by County [County Loss RMS 2020.xlsx] [County Loss RMS 2020.pdf]
  • AIR Event File [AIR Event File 2020.xlsx]
  • RMS Event File [RMS Event File 2020.xlsx]
  • Comparison of Hurricane Frequency for AIR vs. RMS vs. NOAA [Frequency Comparison.xlsx]
• TWIA Catastrophe Modeling Results on Exposure as of 11/30/2019 [TWIA Hurricane Model Output.pdf]

Originally published on July 21, 2020.