FPC5/6 SEC HIIP Filing Refinements

[softwareengineerprogrammer]

Description

FPC5 refinements derived from https://www.sec.gov/Archives/edgar/data/1853868/000162828026025821/exhibit991-sx1.htm

1. Addresses FPC5 Utilization factor tweak NatLabRockies/GEOPHIRES-X#498
2. Cite 85°C injection temperature
3. Cite/compare 19.5% Heat to Power Conversion Efficiency with 13.9% result
4. FPC HIIP vs. HIP-RA-X Analysis Doc #155

Testing & Verification

1. Unit tests added: N/A
2. Unit tests updated:
   1. Fervo_Project_Cape-5
   2. Fervo_Project_Cape-6
3. Manual testing: Describe any additional manual testing steps that were performed, such as running the change on a pre-existing data set you own.

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Change Checklist:

Observe the following checklist items if your change includes a new version (see versioning notes and version management docs).

Before merging:

1. Add a CHANGELOG entry (example). RST Template:

M.m.P: `TITLE <https://github.com/NREL/GEOPHIRES-X/pull/PR-NUMBER>`__ | `release <https://github.com/NREL/GEOPHIRES-X/releases/tag/vM.m.P>`__

After merging:

1. Push tag(s) to GitHub: git push origin refs/tags/vM.m.P
2. Post a change announcement to the GEOPHIRES Change Announcements Discussion (example). Markdown template:

M.m.p: [TITLE](https://github.com/NREL/GEOPHIRES-X/pull/PR-NUMBER) | [release](https://github.com/NREL/GEOPHIRES-X/releases/tag/vM.m.P)

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Additional metadata such as TODO items or link to your initial self-review (PR into your own fork created prior to submission)