Transmission_Lines

ISO-19139 Metadata

Metadata Information

Metadata language: eng
Metadata character set: utf8
Last update: 2024-09-30
Metadata contact:
Role: pointOfContact
Organization's name: Oak Ridge National Laboratory
Contact information:
Phone:
Voice: (865) 241-3976
Fax: (865) 241-6261
Address:
Delivery point: One Bethel Valley Rd, MS-6017
City: Oak Ridge
Administrative area: TN
Postal code: 37831
Country: US
Scope of the data described by the metadata: dataset
Scope name: dataset
Name of the metadata standard used: ISO 19139 Geographic Information - Metadata - Implementation Specification
Version of the metadata standard: 2007

Data Identification Information

Resource citation:
Title: Transmission_Lines
Collection title: HIFLD Open and HIFLD Secure
Date:
Reference date - publication: 2024-09-30
Cited responsible party:
Role: originator
Organization's name: Oak Ridge National Laboratory
Descriptive keywords:
Place keywords:
Keywords: Continental United States, USA, Alaska, Hawaii, Puerto Rico, Guam, Northern Mariana Islands, Virgin Islands
Descriptive keywords:
Theme keywords:
Keywords: homeland security, homeland defense, emergency response, electricity, kilovolts, transmission lines, energy infrastructure, power lines, transmission, voltage, owners
Descriptive keywords:
Keyword type not provided
Keywords: Downloadable Data
Keyword thesaurus:
Citation reference: 723f6998-058e-11dc-8314-0800200c9a66
Abstract: This feature class/shapefile represents electric power transmission lines. Transmission Lines are the system of structures, wires, insulators and associated hardware that carry electric energy from one point to another in an electric power system. Lines are operated at relatively high voltages varying from 69 kV up to 765 kV, and are capable of transmitting large quantities of electricity over long distances. Underground transmission lines are included where sources were available.
Purpose: This feature class/shapefile is for the Homeland Infrastructure Foundation Level Database (HIFLD) (https://hifld-geoplatform.hub.arcgis.com/) as well as the Energy modelling and simulation community.
Dataset language:eng
Dataset character set: utf8
Status: completed
Resource maintenance:
Update frequency: continual
Resource constraints:
General constraints:
Limitations of use: None (Public Use). Users are advised to read the data set's metadata thoroughly to understand appropriate use and data limitations.
Resource constraints:
Legal constraints:
Limitations of use: Distributor assumes no liability for misuse of data.
Access constraints: otherRestrictions
Other constraints: None (Public Domain Information)
Aggregated resource information:
Aggregate dataset name:
Title: HIFLD Open and HIFLD Secure
Date:
Cited responsible party:
Role: originator
Organization's name: Homeland Infrastructure Foundation-Level Data (HIFLD) Subcommittee
Association type: largerWorkCitation
Spatial representation type: vector
Processing environment: Esri ArcGIS 10.7.1.11595
Resource extent:
Extent description: Time period date range corresponds to the SOURCEDATE field.
Temporal element:
Temporal extent:
1996-01-012024-09-26
Resource extent:
Geographic element:
Bounding rectangle:
Extent contains the resource: true
West longitude: -159.779336
East longitude: 144.823499
North latitude: 65.01721
South latitude: 13.447581
Supplemental information: None.
Credits: Department of Energy (DOE)
Resource point of contact:
Role: pointOfContact
Organization's name: Oak Ridge National Laboratory
Contact information:
Phone:
Voice: (865) 241-3976
Fax: (865) 241-6261
Address:
Delivery point: One Bethel Valley Rd, MS-6017
City: Oak Ridge
Administrative area: TN
Postal code: 37831
Country: US

Spatial Representation

Vector Data

Level of topology for this dataset: geometryOnly
Geometric objects:
Object type: composite
Object count: 94619

Reference System Information

Reference system identifier:
Value: 4326
Code space: EPSG
Version: 6.2(3.0.1)

Data Quality

Scope of quality information:
Level of the data:dataset
Resource lineage:
Process step:
Description: Authoritative data sources are identified through open source research. That data is then acquired and transformed into a usable data format. The properly formatted data then goes through preprocessing steps that includes a georeferencing or spatial adjustment operation to give spatial context to the data. In the absence of authoritative sources, feature geometry is created based on interpretation of the best available imagery. After preprocessing, records go through a review process in an effort to meet the goal of placing each feature on a facility based on-entity location based on interpretation of the best available imagery and open source information. The VAL_DATE field indicates the date in which the review step took place. VOLTAGE and/or VOLT_CLASS information for some records was populated via inference from an indirect source. This process involved identifying substation bus connectivity from best available imagery, analyzing the characterisitics of substation/transmission structures via algorithm, and/or applying expert and/or regional knowledge of transmission infrastructure. The INFERRED field indicates whether or not VOLTAGE and/or VOLT_CLASS information was inferred.
Source:
Source citation:
Title: see SOURCE field
Alternate title: see SOURCE field
Date:
Cited responsible party:
Role: originator
Organization's name: see SOURCE field
Cited responsible party:
Role: publisher
Organization's name: see SOURCE field
Contact information:
Address:
Delivery point: see SOURCE field
Data quality report:
Conceptual consistency:
Measure produced by the test: Data were extracted from sources (identified in the SOURCE field) and other open source websites to populate the attribute fields. For string and date data types, NOT AVAILABLE values denote missing data that was not present in the source data. For numeric data types, -999999 denote missing data that was not present in the source data. During quality control, attributes were checked to ensure that they fell within the expected ranges or had expected/valid values. Text attribute values were checked for spelling and usage consistency. No topology tests were conducted. All records were verified to occur within the spatial domain of the feature class/shapefile.
Data quality result:
Data quality report:
Completeness omission:
Measure produced by the test: Data is complete as of the most recent date indicated in the Time Period section and given available sources.
Data quality result:

Distribution Information

Distributor:
Distributor contact:
Role: distributor
Organization's name: HIFLD Subcommittee
Contact information:
Address:
e-mail address: hifld@hq.dhs.gov
Distributor format:
Format name: Vector Digital Data Set (Polyline)
Format version:
Distribution order process:
Terms and fees: None. No fees are applicable for obtaining the data set.
Distribution format:
Format name: File Geodatabase Feature Class
Format version:
Transfer options: