2N duplicates the full power path and can materially increase capex and TCO; quantify the project-specific premium from the actual bill of materials and do not conflate 2N with N+1
Project-specific BOM/TCO premiumrecommendation
| Value kind | recommendation — Recommendations are design guidance, not measured facts; validate them against the project boundary conditions. |
|---|---|
| As of | 2026-08-24 |
| Source | Schneider Electric, White Paper 122 Rev. 2 · pp. 2-3, illustrative 1N and 2N ten-year TCO comparison |
| Derivation | No portable percentage is retained. Price the named topology, common scope, capacity basis, maintenance states and lifecycle assumptions. |
| Review | checking…review by 2026-09-23 · fast cadence |
| Recorded changes | last 2026-08-24 · 2 revisions tracked |
| Claim id | mep-construction-cost-swing-of-2n-over-n-1-2n |
Where the guide uses it
Not quoted in a chapter yet; it is kept in the curated register.
← Full numbers register — every date-stamped figure in the guide, with revision history.