This web service represents the Homeland Infrastructure Foundation Level Database (HIFLD) GIS data: Electric Substations and Electric Transmission Lines, versions 9/19/2019. These data were downloaded from hifld-geoplatform.opendata.arcgis.com by CRSSA, Rutgers University, and prepared for visualization purposes on the MARCO Portal. HIFLD Electric Substations: These data represent electric power substations primarily associated with electric power transmission. In this layer, substations are considered facilities and equipment that switch, transform, or regulate electric power at voltages equal to, or greater than, 69 kilovolts. Substations with a maximum operating voltage less than 69 kilovolts may be included, depending on the availability of authoritative sources, but coverage of these features should not be considered complete. The Substations feature class/shapefile includes taps, a location where power on a transmission line is tapped by another transmission line. HIFLD data version: 9/19/19. Transmission Lines: 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. HIFLD data version: 9/19/19. NOTE: The substations and transmission lines data were clipped by state boundaries from Maine to the Virginia-North Carolina border. The states are as follows: Maine, New Hampshire, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, and Virginia.Link to metadata.Note: This layer is a feature service, which means it can be used for visualization and analysis throughout the ArcGIS Platform. This layer is not editable.

The global Gas Insulated Substations (GIS) market is experiencing robust growth, with a market size of $30.35 billion in 2025 and a projected Compound Annual Growth Rate (CAGR) of 4.2% from 2025 to 2033. This growth is driven by several key factors. The increasing demand for reliable and efficient power transmission and distribution infrastructure, particularly in rapidly developing economies and urban areas, is a major catalyst. Furthermore, the growing adoption of renewable energy sources, necessitating enhanced grid stability and reliability, is significantly boosting market expansion. Stringent environmental regulations aimed at reducing carbon emissions are also influencing the shift toward GIS technology, which offers a smaller footprint and reduced environmental impact compared to traditional air-insulated substations. Technological advancements, such as the development of compact designs and improved insulation materials, are further contributing to market growth. Key players in the market, including ABB, GE Grid Solutions, Siemens, and Mitsubishi Electric, are actively investing in research and development to enhance the efficiency and capabilities of GIS substations, fostering competition and innovation. The market's segmentation is likely diverse, encompassing various voltage levels (e.g., high-voltage, medium-voltage), applications (e.g., transmission, distribution, industrial), and end-user industries (e.g., power utilities, industrial facilities). While specific regional data is unavailable, North America, Europe, and Asia-Pacific are expected to be significant markets, driven by varying factors like grid modernization initiatives, urbanization, and renewable energy integration. However, factors such as high initial investment costs associated with GIS technology and the potential for disruptions in the supply chain of critical components could act as restraints to market growth. Nevertheless, the long-term outlook for the GIS substation market remains positive, with continued growth driven by the ongoing need for a reliable and efficient power grid infrastructure globally.

Abstract The Electrical Infrastructure database presents the spatial locations of Major Power Stations, Electricity Transmission Substations and Electricity Transmission Lines; in point and line format respectively, for known major power stations, transmission substations and transmission lines within Australia.This dataset describes Electricity Transmission Lines; structures in which high voltage electricity supply is converted, controlled or transformed. Currency Date modified: 17 January 2025 Modification frequency: As needed Data extent Spatial extent North: -9.00° South: -44.00° East: 154.00° West: 112.00° Source information In addition to Esri World Imagery, the latest information sources used to identify and attribute the electricity transmission lines were publicly available publications from utility companies, engineering firms and government agencies. Catalog entry: National Electricity Infrastructure Lineage statement The release information for previous and current versions of this dataset is included below: Data download: Mar 2015: Public release of GA’s Electricity Infrastructure Database (separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) – Version 1 Mar 2017: Public release of GA’s Electricity Infrastructure Database (separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) – Version 2 Feb 2021: Public release of GA’s Electricity Infrastructure Database (separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) – Version 3 Nov 2024: Public release of GA’s National Electricity Infrastructure Database – Version 4 Web Service: Feb 2016: Public release as a subset of GA’s Electricity Infrastructure separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) web service – Version 1 July 2017: Public release as a subset of GA’s Electricity Infrastructure separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) web service – Version 2 Feb 2021: Public release as a subset of GA’s Electricity Infrastructure separated into 3 parts: Major Power stations, Electricity Transmission line and Electricity Transmission Substations) web service – Version 3 Jan 2025: Public release as GA’s National Electricity Infrastructure web service – Version 4 Data dictionary All layers

Attribute name Description

OBJECTID* Automatically generated system ID

SHAPE* Geometry type (Polyline)

FEATURETYPE A singled feature type “Transmission Line” is the collective name of the different facility subtypes identified in the CLASS field

DESCRIPTION Brief description of the feature type

CLASS The feature type subtypes:OverheadUnderground

GA_GUID A global unique ID

NAME The name of each individual feature

OPERATIONALSTATUS A description of the feature’s status:Operational (functioning as an active transmission line)Non-Operational (no longer operational as an active transmission line)

CAPACITYKV Transmission voltage of the powerline - kilovolts

STATE The state where this feature is located

SPATIALCONFIDENCE Confidence rating of the accuracy of the feature’s spatial location (5 high – 1 low)

REVISED The date the feature was last revised

COMMENT A free text field for adding general comments about this feature to external users

LENGTH_M Length of the line in metres measured along the shortest distance with Earth curvature (geodesic line).

SHAPE_Length Automatically generated length in decimal degrees

Contact Geoscience Australia, clientservices@ga.gov.au

BRADD GIS staff digized the substation layer by following transmission lines. It is not intended to be an authoritative source of data as there are likely substations missing from the dataset.Electric Company offices were digitized by BRADD staff using existing address point information.The transmission line feature layer, utilizing data from Homeland Infrastructure Foundation-Level Data, depicts electric power transmission lines in the United States.DescriptionU.S. Electric Power Transmission LinesThis feature layer, utilizing data from Homeland Infrastructure Foundation-Level Data (HIFLD), depicts electric power transmission lines in the United States. Per HIFLD, "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."138 Kilovolt Transmission LineData currency: This cached Esri service is checked weekly for updates from its federal source (Electric Power Transmission Lines)Data modification: noneFor more information: Electricity ExplainedFor feedback please contact: ArcGIScomNationalMaps@esri.comThe Homeland Infrastructure Foundation-Level DataPer HIFLD, "The Homeland Infrastructure Foundation-Level Data (HIFLD) Subcommittee was established…to address improvements in collection, processing, sharing, and protection of homeland infrastructure geospatial information across multiple levels of government, and to develop a common foundation of homeland infrastructure data to be used for visualization and analysis on all classification domains."

The datasets are sourced from the Ugandan Energy Sector GIS Working Group Open Data Site, developed and maintained by the Ugandan Energy Sector GIS Working Group. The Ugandan Energy Sector GIS Working Group’s mission is to develop a high quality GIS for the Energy Sector of Uganda in order to drive informed decision-making. As such, it brings datasets together in one place, organize them, keep them updated, and make public data available to all stakeholders. Link: http://data-energy-gis.opendata.arcgis.com/ The transmission line geojson and zipped shapefiles contain existing, planned, under construction lines. The source link: http://data-energy-gis.opendata.arcgis.com/datasets/6db06d51b0a34c9b989fc54c0d25c092_0 The substation geojson and zipped shapefiles contain existing, planned, under construction substations. The source link: http://data-energy-gis.opendata.arcgis.com/datasets/a7ef2af5ca9249babc5b20602edaba59_0 The transmission and substation datasets were last updated on March 9 2017.

The global Gas Insulated Substations (GIS) market, valued at $30.35 billion in 2025, is projected to experience robust growth, driven by the increasing demand for reliable and efficient power transmission and distribution infrastructure. The expanding electricity grids in developing economies, coupled with the need for grid modernization in developed nations, are key growth drivers. Furthermore, the rising adoption of renewable energy sources, requiring efficient integration into existing networks, is fueling market expansion. Stringent environmental regulations promoting cleaner energy solutions further contribute to this positive outlook. Technological advancements, such as the development of compact and more efficient GIS designs, are enhancing market competitiveness and driving adoption. While the initial investment in GIS substations is higher compared to air-insulated substations (AIS), the long-term benefits in terms of reduced maintenance costs, improved reliability, and smaller footprint are outweighing the initial expense, fostering wider adoption across various applications, including industrial settings and power generation plants. The market's Compound Annual Growth Rate (CAGR) of 4.2% from 2025 to 2033 indicates a steady and consistent expansion. Key players like ABB, GE Grid Solutions, Siemens, and others are actively investing in research and development to enhance GIS technology and expand their market share. Competitive pressures are leading to innovation in areas such as advanced monitoring systems, improved gas handling techniques, and the incorporation of smart grid technologies into GIS designs. While factors such as the high initial capital expenditure and potential supply chain disruptions could act as restraints, the overall market outlook remains positive, driven by the long-term benefits and increasing demand for reliable and efficient power transmission solutions across various geographical regions. The market segmentation, while not explicitly provided, likely includes variations in voltage levels, application types (transmission vs. distribution), and geographical regions.

Explore the High Voltage GIS Substation market analysis, detailing its market size, projected CAGR of 7.5%, key drivers like renewable energy integration and grid modernization, dominant applications in electric power and manufacturing, and regional insights for 2025-2033.

The Gas Insulated Substations (GIS) market is booming, projected to reach $41.92 Billion by 2033, driven by renewable energy, urbanization, and grid modernization. Learn about key market trends, top players (ABB, Siemens, GE), and regional growth in this detailed market analysis.

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. This feature class/shapefile is for the Homeland Infrastructure Foundation Level Database (HIFLD) https://gii.dhs.gov/HIFLD as well as the Energy modelling and simulation community. Additional Source Info: https://hifld-geoplatform.opendata.arcgis.com/datasets/geoplatform::electric-power-transmission-lines/aboutView Dataset on the Gateway

The global Gas Insulated Substations (GIS) market is booming, projected to reach [estimated 2033 value based on CAGR] by 2033. Driven by renewable energy adoption and smart grid development, this market analysis explores key trends, drivers, restraints, and leading companies like ABB and Siemens. Discover the regional market share and future growth potential of high-voltage and ultra-high-voltage GIS substations.

The global Hybrid GIS Substation market is experiencing robust growth, driven by the increasing demand for reliable and efficient power transmission and distribution infrastructure. The market's expansion is fueled by the integration of renewable energy sources, smart grid initiatives, and the need for enhanced grid resilience. Stringent environmental regulations and the focus on reducing carbon emissions are also contributing factors. While precise market size data is unavailable, based on industry reports and considering typical CAGR for similar technological advancements in the energy sector, let's conservatively estimate the 2025 market size at $5 billion USD. Assuming a conservative compound annual growth rate (CAGR) of 8% from 2025 to 2033, the market is projected to reach approximately $10 billion by 2033. This growth reflects the increasing adoption of hybrid GIS substations across various regions, particularly in rapidly developing economies. Several factors are influencing market growth. Technological advancements leading to improved efficiency, smaller footprints, and enhanced safety features are key drivers. Furthermore, the rising adoption of digital technologies in substations, facilitating smart grid integration and remote monitoring, is accelerating market expansion. However, high initial investment costs and the need for specialized expertise in installation and maintenance pose challenges to market penetration. The competitive landscape is marked by the presence of major players including Hitachi Energy, China Transpower Electric, GE Grid Solutions, TGOOD, ABB, Mitsubishi Electric, Sieyuan Electric, CHINT, and SGC Company, each vying for market share through innovation and strategic partnerships. Regional variations in market growth are expected, with North America and Europe leading the adoption, followed by the Asia-Pacific region experiencing significant growth driven by robust infrastructure development and increasing energy demands.

Discover the booming Hybrid GIS Substation market! This comprehensive analysis reveals key trends, growth drivers, and regional insights for 2025-2033. Learn about leading companies, market segmentation, and the future of power grid modernization. Explore the potential of Hybrid GIS technology in smart grid initiatives and renewable energy integration.

The Gas Insulated Substation (GIS) market is experiencing robust growth, projected to reach a substantial size. The market's Compound Annual Growth Rate (CAGR) of 6.7% from 2019 to 2033 indicates a consistent expansion driven by several factors. Increasing urbanization and the consequent need for reliable and efficient power transmission and distribution are key drivers. The growing demand for renewable energy sources, such as solar and wind power, further fuels the adoption of GIS technology due to its superior performance in harsh environments and compact footprint. Furthermore, the ongoing modernization of existing power grids and the expansion of smart grid infrastructure necessitate the installation of advanced GIS solutions. While challenges remain, including high initial investment costs and the need for specialized expertise in installation and maintenance, the long-term benefits of improved reliability, reduced footprint, and enhanced safety outweigh these concerns. The market is characterized by the presence of several major players, including ABB, GE Grid Solutions, Siemens, and others, who are constantly innovating and competing to enhance their product offerings and market share. This competitive landscape fosters innovation and drives down costs over time, making GIS technology increasingly accessible. The forecast period from 2025 to 2033 is expected to witness particularly strong growth, fueled by the expanding global energy demand and continued investments in grid infrastructure upgrades. Regional variations are anticipated, with developed economies likely experiencing steady growth driven by grid modernization, while emerging markets might see more rapid expansion due to increased electricity demand and grid development. Technological advancements such as the integration of digital sensors and improved gas handling techniques will further influence market expansion. However, factors like economic fluctuations and supply chain disruptions could impact the market's trajectory. The overall outlook remains positive, with significant potential for market growth throughout the forecast period.

The global outdoor GIS substation market is experiencing robust growth, driven by the increasing demand for reliable and efficient power transmission and distribution infrastructure. The market, currently valued at approximately $15 billion in 2025, is projected to witness a Compound Annual Growth Rate (CAGR) of 7% from 2025 to 2033, reaching an estimated market size of over $25 billion by 2033. This growth is fueled by several key factors, including the expansion of smart grids, the rising adoption of renewable energy sources requiring efficient integration into the grid, and the increasing need for enhanced grid reliability and resilience in the face of extreme weather events and cyber threats. The high voltage and extra high voltage segments are anticipated to dominate market share due to their crucial role in long-distance power transmission. Geographically, North America and Asia-Pacific are expected to be the leading markets, driven by significant investments in grid modernization and infrastructure development in these regions. Major players like ABB, Siemens, and GE are actively investing in research and development to improve the efficiency, reliability, and safety of their outdoor GIS substation offerings, further propelling market expansion. Despite the positive growth outlook, the market faces some challenges. High initial investment costs associated with outdoor GIS substations can be a barrier to entry for some utilities, especially in developing economies. Furthermore, the complexity of installation and maintenance can also pose a constraint. However, the long-term benefits of improved grid reliability, reduced maintenance costs, and enhanced safety are expected to outweigh these challenges, ensuring sustained market growth throughout the forecast period. The increasing adoption of digital technologies, such as advanced sensors and predictive maintenance solutions, is further expected to optimize the performance and lifecycle management of these substations, contributing to the overall market expansion. This report provides a detailed analysis of the global outdoor gas-insulated switchgear (GIS) substations market, a crucial component of modern power grids. Valued at an estimated $15 billion in 2023, this market is projected for robust growth, driven by factors such as increasing electricity demand and the global push for renewable energy integration. The report leverages extensive market research to deliver actionable insights for industry stakeholders.

The upload consists of 5 different datasets pertaining to the electric transmission grid in the nine counties of the western Florida Panhandle. The area largely coincides with the former operation area of the Gulf Power Company (GPCO) but is not limited to this utility. The five datasets describe the substations, lines, and transmission towers of the grid. The data were created and validated through a variety of datasets from the utility, national data, and state-level information. In total, 195 substations, 1800 miles of transmission lines, and over 18,000 transmission towers were cataloged and described spatially in the data. The spatial files are uploaded as feature classes within a ArcGIS geodatabase. Three metadata files are provided, one each for substations, transmission lines, and transmission towers, which describe the process and sources for creating each data as well as a detailed list of all fields in the files.

The global Indoor GIS Substations market is poised for significant expansion, projected to reach an estimated market size of $XX billion by 2033, exhibiting a robust Compound Annual Growth Rate (CAGR) of XX% during the forecast period of 2025-2033. This growth is primarily fueled by the increasing demand for compact, reliable, and safe electrical infrastructure solutions, particularly in densely populated urban areas and regions undergoing rapid industrialization. The inherent advantages of Gas Insulated Substations (GIS), such as reduced footprint, enhanced safety due to superior insulation properties, and minimized environmental impact compared to traditional air-insulated substations, are key drivers propelling market adoption. Furthermore, the ongoing modernization of aging power grids, coupled with the integration of renewable energy sources that often require distributed and flexible substation solutions, is creating substantial opportunities for GIS technology. The drive towards digitalization and smart grid initiatives also plays a crucial role, as GIS substations are more amenable to advanced monitoring, control, and automation systems. The market is characterized by a segmentation across various voltage levels, with High Voltage (72.5 kV – 220 kV) and Extra High Voltage (220 kV – 765 kV) segments expected to witness the most substantial growth due to the increasing need for efficient power transmission and distribution across vast networks. Power transmission and distribution utilities are the primary application segments, reflecting the critical role of GIS substations in ensuring the seamless flow of electricity from generation to end-users. Key market restraints, such as the high initial capital expenditure and the specialized maintenance requirements, are being gradually mitigated by technological advancements and the long-term operational cost benefits. Geographically, the Asia Pacific region, driven by countries like China and India, is anticipated to be the largest and fastest-growing market, owing to its burgeoning energy demands and extensive infrastructure development projects. North America and Europe also represent mature yet consistently growing markets, with a focus on grid modernization and the adoption of advanced technologies. This report provides an in-depth analysis of the global Indoor Gas Insulated Switchgear (GIS) substations market, projecting its growth trajectory from 2024 to 2030. With a robust focus on market dynamics, technological advancements, and key player strategies, this report offers invaluable insights for stakeholders navigating this evolving sector. The market is expected to reach an estimated value of $25,000 million by 2030, driven by increasing demand for compact, reliable, and environmentally friendly substation solutions.

Substations: This feature class/shapefile represents electric power substations primarily associated with electric power transmission subset to the Greater Chattanooga area. In this layer, substations are considered facilities and equipment that switch, transform, or regulate electric power at voltages equal to, or greater than, 69 kilovolts. Substations with a maximum operating voltage less than 69 kilovolts may be included, depending on the availability of authoritative sources, but coverage of these features should not be considered complete. The Substations feature class/shapefile includes taps, a location where power on a transmission line is tapped by another transmission line. No update available in 2024. Power Lines: 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. Updated 2024

The global electrical substation market, valued at $118.69 billion in 2025, is projected to experience steady growth, driven by increasing electricity demand, expanding power grids, and the integration of renewable energy sources. The compound annual growth rate (CAGR) of 3.4% from 2025 to 2033 indicates a robust market expansion, with significant contributions from both the power transmission and distribution, and manufacturing and processing application segments. The rising adoption of smart grids and the need for reliable power infrastructure in developing economies are key drivers. Growth within the GIS substation type is expected to outpace that of AIS substations due to their superior reliability, compactness, and reduced land requirements. However, the high initial investment cost associated with GIS substations remains a restraint, particularly for smaller projects. Competition among established players like ABB, Siemens, and GE Grid Solutions is intense, with emerging players from Asia, such as Chint Group and Xi’an XD High Voltage, gaining market share through competitive pricing and technological advancements. Regional growth will vary, with Asia-Pacific expected to dominate due to rapid industrialization and urbanization, followed by North America and Europe. Continued growth in the electrical substation market will be influenced by government regulations promoting grid modernization and energy efficiency, as well as technological advancements in substation automation and digitalization. The increasing adoption of renewable energy sources such as solar and wind necessitates the upgrade and expansion of existing substations to accommodate intermittent power generation. Furthermore, the growing focus on improving grid resilience and cybersecurity in the face of increasing cyber threats presents lucrative opportunities for vendors offering advanced protection and control systems. While fluctuating raw material prices and economic downturns may pose challenges, the long-term outlook for the electrical substation market remains positive, driven by the fundamental need for reliable and efficient electricity delivery.