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Portfolio Manager Technical Reference: ENERGY STAR Score

Last Updated: 08-24-2018

EPA’s 1 - 100 ENERGY STAR score is an external benchmark for assessing the performance of commercial buildings. The ENERGY STAR score, expressed as a number on a simple 1 - 100 scale, rates performance on a percentile basis: buildings with a score of 50 perform better than 50% of their peers; buildings earning a score of 75 or higher are in the top quartile of energy performance. First introduced in 1999, the score has been adopted by leading organizations across the United States because it offers a simple way to evaluate measured energy use, prioritize investments, and communicate relative performance across a portfolio of buildings. In July of 2013, the Environmental Protection Agency (EPA) and Natural Resources Canada (NRCan) together released the first 1 - 100 ENERGY STAR score for Canadian buildings, which applies the same methodology to assess measured performance relative to Canadian building stock. Within each section of this document, distinctions between the U.S. and Canadian methodologies are noted.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Worship Facilities

Last Updated: 08-24-2018

The ENERGY STAR Score for Worship Facilities applies to churches, temples, mosques, synagogues, meetinghouses, or any other buildings that primarily function as a place of religious worship. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Warehouses

Last Updated: 08-24-2018

The ENERGY STAR Score for Warehouses applies to buildings that are used to store goods, manufactured products, merchandise, or raw materials, including non-refrigerated warehouses, refrigerated warehouses, and distribution centers. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Swimming Pools

Last Updated: 08-24-2018

The ENERGY STAR score provides a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. Stand-alone swimming pools are not eligible to earn the ENERGY STAR score. However, because swimming pools are a common energy-intensive amenity at other commercial building types (i.e., hotels and schools), the ENERGY STAR score does make adjustments to accommodate for the presence of swimming pools. The goal of the ENERGY STAR score is to rate the energy performance of the primary use of the building, not the swimming pool.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Retail Stores and Supermarkets

Last Updated: 08-24-2018

The ENERGY STAR Score for Retail Stores and Supermarkets applies to retail stores, supermarkets/grocery stores, and wholesale clubs/supercenters. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Retail Stores and Supermarkets

Last Updated: 08-24-2018

The ENERGY STAR Score for Retail Stores and Supermarkets applies to retail stores, supermarkets/grocery stores, and wholesale clubs/supercenters. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Parking

Last Updated: 08-24-2018

The ENERGY STAR score provides a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. Parking areas are not eligible to earn the ENERGY STAR score. However, because parking is a common amenity at other commercial building types (i.e., office and hotels), the ENERGY STAR score does make adjustments to accommodate for the presence of parking. The goal of the ENERGY STAR score is to rate the energy performance of the primary use of the building, not the parking.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for K-12 Schools

Last Updated: 08-24-2018

The ENERGY STAR Score for K-12 Schools applies to buildings or campuses used as a school for kindergarten through 12th grade students. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Hotels

Last Updated: 08-24-2018

The ENERGY STAR Score for Hotels applies to properties renting overnight accommodations on a room/suite and nightly basis. The objective of the ENERGY STAR score is to provide a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. To identify the aspects of building activity that are significant drivers of energy use and then normalize for those factors, a statistical analysis of the peer building population is performed. The result of this analysis is an equation that will predict the energy use of a property, based on its experienced business activities. The energy use prediction for a building is compared to its actual energy use to yield a 1 to 100 percentile ranking of performance, relative to the national population.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation
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ENERGY STAR Score for Data Center Estimates (U.S. and Canada)

Last Updated: 08-24-2018

The ENERGY STAR score provides a fair assessment of the energy performance of a property relative to its peers, taking into account the climate, weather, and business activities at the property. In the United States, data centers are able to earn the ENERGY STAR score using an energy intensity metric that takes into consideration the IT Energy used by the data center (see the Technical Reference for the ENERGY STAR Score for Data Centers for more details). For data centers within a larger property, it can sometimes be difficult for property managers to obtain IT Energy. For this reason, the ENERGY STAR score can also be computed using estimates to adjust for the presence of data centers. In Canada, data centers are not eligible to earn the ENERGY STAR score, but estimates can be used for data centers located within larger properties. The goal of the ENERGY STAR score, when the data center estimates are used, is to rate the energy performance of the primary use of the building, not the data center.

Topic: Portfolio Manager, ENERGY STAR score calculation details, Technical reference
Resource Type: Technical documentation