CINXE.COM
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<div class="nist-section-header__main grid-container"> <div class="grid-row"> <div class="nist-section-header__title"> <h1 class="nist-page__title">Energy</h1> </div> </div> </div> </div> </div> <section class="nist-page__content usa-section clearfix" > <a id="main-content" tabindex="-1"></a> <div class="grid-container margin-top-4"> <div class="grid-row grid-gap-6"> <aside class="nist-page__region nist-page__region--sidebar-first tablet-lg:grid-col-4 desktop-lg:grid-col-3"> <div> <!-- nist-index-ignore-start --> <div class="views-element-container nist-block nist-block--topic" data-elastic-exclude="" > <div><div class="js-view-dom-id-6e60eee62a153683aab17c7816c05ea5ab62217b665fa71ffba158715eb776a2"> <div class="link-list"> <h2 class="nist-block__title">Energy Topics</h2> <ul> <li><div class="views-field views-field-field-shared-section"><div class="field-content"><a href="/alternative-energy" hreflang="en">Alternative energy</a></div></div></li> <li><div class="views-field 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paragraph--type--topic-research paragraph--view-mode--default"> <div class="nist-region-heading"> <h2>The Research</h2> </div> <div class="grid-row"> <div class="tablet:grid-col-8 padding-right-5 margin-y-2"> <h2 class="nist-block__title">Projects & Programs</h2> <article about="/programs-projects/measuring-performance-net-zero-energy-homes" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/programs-projects/measuring-performance-net-zero-energy-homes" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/el/building_environment/heattrans/netzerohouse_1.jpg?itok=nIj-soPX" width="100" height="59" alt="Drawing of NIST Net-Zero Energy Residential Test Facility. " typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/programs-projects/measuring-performance-net-zero-energy-homes"><span>Measuring the Performance of Net-Zero Energy Homes</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--green boolean">Completed</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> Objective: Develop the measurement science necessary to evaluate various technological approaches to achieve net-zero energy residential buildings, including innovative monitoring techniques, methods of test, performance metrics and high quality experimental data for the validation and improvement </div> </div> </div> </article> <article about="/programs-projects/reference-fluid-thermodynamic-and-transport-properties-database-refprop" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/programs-projects/reference-fluid-thermodynamic-and-transport-properties-database-refprop" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2016/11/15/refpropcollage.png?itok=cbXtRbYW" width="100" height="75" alt="A collage of REFPROP screens" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/programs-projects/reference-fluid-thermodynamic-and-transport-properties-database-refprop"><span>Reference Fluid Thermodynamic and Transport Properties Database (REFPROP)</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> REFPROP is a computer program, distributed through the Standard Reference Data program of NIST, that provides thermophysical properties of pure fluids and mixtures over a wide range of fluid conditions including liquid, gas, and supercritical phases. It contains critically evaluated mathematical </div> </div> </div> </article> <article about="/programs-projects/standard-reference-measurements" class="nist-teaser" > <div class="nist-teaser__image"> <div class="entity-reference"> <a href="/programs-projects/standard-reference-measurements" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2016/09/09/oil-drop-lwxxxq-clipart.jpg?itok=hoETDl4-" width="68" height="100" alt="drop" typeof="foaf:Image" /> </a> </div> </div> <div class="nist-teaser__content-wrapper"> <header> <h3 class="nist-teaser__title"><a href="/programs-projects/standard-reference-measurements"><span>Standard Reference Measurements</span> </a></h3> <div class="nist-teaser__type"> <div class="nist-badge display-inline-block margin-y-1 nist-badge--blue boolean">Ongoing</div> </div> </header> <div class="nist-teaser__content"> <div class="text-with-summary"> State-of-the art property measurements have been the hallmark of the Fluid Properties Group for more than four decades. Many of these measurements have been carried out on one-of-a-kind instruments developed at NIST. In some cases the older instruments are still among the very best of their kind </div> </div> </div> </article> <div class="link-list"><a href="/laboratories/projects-programs/topic/248531">View All Projects/Programs</a></div> </div> <div class="tablet:grid-col-4 margin-y-2"> <h2 class="nist-block__title">Additional Resources Links</h2> <div class="nist-field nist-field--label-hidden nist-field--link-list link nist-field--link-list font-sans-sm"> <div class="nist-field__items"> <div class="nist-field__item"><a href="/publications/search?k=&d%5Bmin%5D=&d%5Bmax%5D=&t=&a=&s=All&ta%5B0%5D=248531&n=">Publications</a></div> <div class="nist-field__item"><a href="/services-resources/software?k=&d%5Bmin%5D=&d%5Bmax%5D=&a%5B0%5D=248531&tag=">Software</a></div> </div> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--topic-featured paragraph--view-mode--default nist-content-row--width-full bg-base-lightest margin-y-5"> <div class="grid-container"> <div class="nist-card nist-card--horizontal nist-card--horizontal-full nist-card--base-lightest"> <div class="nist-card__inner"> <div class="nist-card__image"> <a href="https://shop.nist.gov/ccrz__ProductDetails?sku=39400C&cclcl=en_US"> <div class="entity-reference"> <figure class="nist-image"> <img src="/sites/default/files/styles/800w_x_400h/public/images/2021/12/09/reference%20cell%204_A.jpg.webp?itok=nYhXEg4K" width="800" height="400" alt="black box that looks like an old VCR tape. Clear space in middle. Blue square in middle of clear space." loading="lazy" typeof="foaf:Image" /> <figcaption class="nist-image__caption"> <div data-caption-editable="true" class="nist-image__caption-content"> </div> </figcaption> </figure> </div> </a> </div> <div class="nist-card__title"> <h3> NIST Calibrations for Reference PV Cells </h3> </div> <div class="nist-card__content"> <div class="text-long"><p>Reference solar cells are devices used for characterizing and calibrating light sources and other solar devices. Their performance hinges on their ability to consistently measure specific types of light with high accuracy. A new NIST calibration service, the quality of which is reinforced by traceability to SI units, can help ensure that reference cells provide accurate readings under a variety of scenarios, such as outdoors, indoors or in space.</p></div> </div> <div class="nist-card__links"> <div class="nist-card__button"> <a href="https://shop.nist.gov/ccrz__ProductDetails?sku=39400C&cclcl=en_US" class="usa-button ">Learn more</a> </div> </div> </div> </div> </div> </div> <div class="margin-y-4"> <h2 class="nist-block__title">News</h2> <div class="margin-bottom-5"> <div class="entity-reference"> <div class="nist-card nist-card--horizontal nist-card--horizontal-full"> <div class="nist-card__inner"> <div class="nist-card__image"> <a href="/blogs/taking-measure/house-hill-bringing-measurement-science-home"> <div class="entity-reference"> <img loading="lazy" src="/sites/default/files/styles/600w_x_360h/public/images/2018/03/09/net_zero_energy_residential_test_facility.jpg.webp?itok=N0LUtAGO" width="600" height="360" alt="photo of a house. Solar panels on the roof." typeof="foaf:Image" /> </div> </a> </div> <div class="nist-card__title"> <h3><span>That House on the Hill: Bringing Measurement Science Home</span> </h3> </div> <div class="nist-card__content"> <div class="text-with-summary"> When people ask NIST employees what they do, we often rely on the somewhat nebulous term “measurement science.” To many in the technical community, NIST’s role in measurement science is clear because they are often surrounded by instruments that bear some sort of NIST-traceable calibration certificate. NIST staff may be able to explain the painstaking work we do to realize basic measurement units </div> </div> <div class="nist-card__links"> <div class="nist-card__button"> <a href="/blogs/taking-measure/house-hill-bringing-measurement-science-home" class="usa-button ">Read more</a> </div> </div> </div> </div> </div> </div> <div class="paragraph paragraph--type--dynamic-news-list-topic paragraph--view-mode--default"> <div class="views-element-container"><div class="js-view-dom-id-d9a143ae3124dac6ad3e8d1521233fa729a9d0f774380d8dfd16f36b1a3246a2"> <div class="grid-row grid-gap-2"> <div class="nist-card tablet:grid-col-4 "> <div class="nist-card__inner"> <div class="nist-card__image"> <a href="/feature-stories/house-ahead-its-time"> <div class="entity-reference"> <a href="/feature-stories/house-ahead-its-time" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/400_x_250_focal_point/public/images/2024/10/30/15EL001_NIST_Net_Zero_House_pic_HR.jpg?h=4a132072&itok=lS7hMeRM" width="400" height="250" alt="A newly built two-story home with an attached garage has solar panels on the roof." typeof="foaf:Image" /> </a> </div> </a> </div> <div class="nist-card__title padding-y-5"> <h3><span>A House Ahead of Its Time</span> </h3> </div> <div class="nist-card__links"> <div class="nist-card__button"> <a href="/feature-stories/house-ahead-its-time" class="usa-button ">Read more</a> </div> </div> </div> </div> <div class="nist-card tablet:grid-col-4 nist-card--topic "> <div class="nist-card__inner"> <div class="nist-card__image"> <a href="/news-events/news/2024/10/nist-awards-15-million-astm-international-establish-standardization-center"> <div class="entity-reference"> <img loading="lazy" src="/sites/default/files/styles/400_x_250_focal_point/public/images/2023/09/06/shutterstock_2118695234-burn-extend-aug23-CROP-web.jpg?itok=-Nn6hXLt" width="400" height="250" alt="Illustration shows a shiny robot hand pointing at icons including a molecule, a heart and an atom." 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