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I see from other posts by @shorowit that BEOpt v3 is pending a release by 2023 (mid-Dec, by some recent posts). I agree, it's due and welcomed! It is touted to be compatible with EnergyPlus 22.2, but will not be suitable for calibrated energy modeling using ANSI/BPI-2400 standards, and therefore not compliant with Inflation Reduction Act (IRA) requirements. I consider this lack of compliance as significant, as calibrated energy modeling with historical utility bill consumption is essentially required to provide meaningful projections.

See references posts re: HPXML here, re: EER/COP here, and your other post here