---
kind: "section"
citation: "10 C.F.R. § 436.23"
title: "10"
number: "436.23"
heading: "Estimated simple payback time."
url: "https://uscodex.org/cfr/10/436.23"
---

# §436.23. Estimated simple payback time.


The estimated simple payback time is the number of years required for the cumulative value of energy or water cost savings less future non-fuel or non-water costs to equal the investment costs of the building energy or water system, without consideration of discount rates.


## Notes

### Amendments

[61 FR 32651, June 25, 1996]

### Source

Source: 55 FR 48220, Nov. 20, 1990, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7101 et seq.; 42 U.S.C. 8254; 42 U.S.C. 8258; 42 U.S.C. 8259b; 42 U.S.C. 8287, et seq.

### Source

Source: 44 FR 60669, Oct. 19, 1979, unless otherwise noted.

### Amendments

[61 FR 32651, June 25, 1996]