U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Energy

Alternative energy

News and Updates

Projects and Programs

Cityscape in the background. Solar panels in the foreground.

Smart Grid Program

Ongoing
The Smart Grid Program develops and demonstrates smart grid measurement science advances to improve the efficiency, reliability, resilience, and sustainability

Fundamental Chemical Metrology

Ongoing
The Chemical Sciences Division serves as the Nation's reference laboratory for chemical compositional measurements and standards to enhance U.S. industry's

Publications

Software

AFUEBF

AFUEBF Program

CALCULATION OF ANNUAL FUEL UTILIZATION EFFICIENCY OF RESIDENTIAL CENTRAL FURNACES AND BOILERSThe AFUEBF program available at this website can be used to

LoopDA

LoopDA is a natural ventilation design tool developed by the National Institute of Standards and Technology. Version 3.0 is an update to the original version 1

Tools and Instruments