Electric Transmission Construction
Sumitomo begins $546 million, 186-mile underground cable in Germany
Sumitomo Electric has started installing a $546 million, 186-mile HVDC underground cable for Germany’s Corridor A-Nord project, boosting renewable integration and grid reliability.
Grain Belt Express awards $1.7 billion contracts for U.S.’s largest transmission line
Grain Belt Express has awarded $1.7 billion in contracts to Quanta and Kiewit for the nation’s largest transmission project—an 800-mile HVDC line spanning four states. Construction is set to begin in 2026, creating thousands of jobs and boosting U.S. grid reliability.
PUC faces pressure to consider underground option in Texas power line fight
A yearslong fight over moving a high-voltage transmission line closer to homes in Driftwood, Texas, has reignited. Landowners say the PUC must step in, but the commission has delayed its decision again amid safety, cost and property rights concerns.
Norwalk, Conn., transmission lines relocated underground for CTDOT bridge upgrade
Eversource has moved two high-voltage transmission lines from Norwalk’s WALK Bridge to underground tunnels beneath the river, enabling the next phase of the bridge replacement and improving grid reliability.
Plan for single Americas energy network gains momentum amid political push
Plans are taking shape to link power grids across the Americas — a project that could span from Alaska to Patagonia and reshape the continent’s energy future. Political leaders are reviving interconnection efforts as renewable power surpluses in Latin America grow.
Pasadena, Calif., undergrounding project could take 500 years to finish
Pasadena, Calif., may need 500 more years to complete its underground utility project, citing cost, complexity, and coordination delays.
Rosemead, Calif., utility to bury power lines in fire-hit Altadena, Malibu rebuild
Southern California Edison plans to underground over 150 circuit miles of power lines in Altadena and Malibu as part of a wildfire recovery effort, aiming to boost resilience and reduce future fire risks.
Worm-like robot burrows underground to cut power line installation costs
The innovation, known as a "peristaltic conduit," mimics the segmented movement of earthworms to propel itself through the soil with minimal disruption to existing infrastructure.
Eversource breaks ground on nation’s largest underground electrical substation in Cambridge, Mass.
Eversource has begun construction on the nation’s largest underground electrical substation in Cambridge, Mass. The 35,000-square-foot facility, located 105 feet below a new public green space, will help meet growing electricity demand and upgrade grid reliability.
Consumers Energy plans $248 million upgrade to Michigan's natural gas system
Consumers Energy has unveiled plans to modernize Michigan's natural gas infrastructure, including replacing up to 10,000 aging service lines and installing remote-control valves on major pipelines to enhance safety and efficiency.
Gigapower’s Arizona fiber rollout linked to infrastructure damage, CWA report says
In Mesa, Arizona, where Gigapower began fiber deployment in early 2023, subcontractors have reportedly caused over 40 underground utility hits, including damages to electric, gas, water, and telecommunications lines, totaling more than $135,000 in repairs.
Energy giants propose new transmission lines across PJM states
Dominion Energy Virginia, American Electric Power and FirstEnergy Corp. have entered into an innovative joint planning agreement to propose several new regional electric transmission projects across multiple states within the PJM footprint.
Virginia’s Loudoun County to weigh in on Dominion Energy’s transmission line plans
The State Corporation Commission (SCC) will hold a public hearing in Loudoun County on Sept. 5, to gather testimony on Dominion Energy Virginia’s proposed Aspen-Golden and Apollo-Twin Creeks electric transmission line projects.
PG&E resumes underground power line work in California’s Plumas County
Pacific Gas and Electric Company (PG&E) has resumed its efforts to bury power lines in Plumas County, California, after work was paused due to the Park Fire.
Utah’s Park City Council greenlights $7 million project to bury power lines in Bonanza Park
Park City is advancing its long-awaited initiative to bury power lines in the Bonanza Park area, paving the way for future development in the district.
Stantec to modernize Los Angeles underground electrical infrastructure in $104 million LADWP contract
Stantec has been awarded a $104 million contract by the Los Angeles Department of Water & Power (LADWP) to modernize underground electrical infrastructure as part of the city's efforts to enhance power reliability and support the transition to clean energy.
NV5 awarded $7 million contract for Northern California electrical transmission undergrounding
NV5 Global Inc. has been awarded a one-year, $7 million contract to provide project oversight, testing, and inspection during the construction of a new 230 kilovolt underground transmission line in Northern California.
Xcel Energy updates $1.9 billion wildfire mitigation plan with undergrounding measures
Xcel Energy is making physical investments to reduce the risk of utility-caused wildfires. These measures include targeted undergrounding of power lines, line rebuilds, and non-expulsion upgrades in Tier 2 and Tier 3 risk areas.
Consumers Energy burying power lines near Standish, Mich.
Consumers Energy crews have begun the second week of a project to bury two miles of power lines near Standish, aiming to improve the region’s electric grid by protecting lines from falling trees and severe weather.
Berkeley pushes PG&E to bury power lines to mitigate wildfire risk
Berkeley city officials are pressing Pacific Gas and Electric (PG&E) to include their city in a plan to underground 10,000 miles of power lines in regions with the highest fire danger, The Berkeley Scanner reported.
Wisconsin’s Menominee Tribe secures funding for underground power line project
FEMA's Building Resilient Infrastructure and Communities grant program has allocated $872,894 to support the Menominee Indian Tribe of Wisconsin's underground power line conversion initiative.
Colorado Springs Utilities undertakes underground power line shift post-2021 windstorm
In Colorado Springs, efforts are underway by Colorado Springs Utilities (CSU) to relocate power lines underground after identifying susceptibility during a windstorm in 2021.
California regulators greenlight program to accelerate electric infrastructure undergrounding
The California Public Utilities Commission (CPUC) has introduced a new initiative aimed at accelerating the undergrounding of electric distribution infrastructure across the state. This program, mandated by Senate Bill (SB) 884, targets increased system resilience and climate adaptation.
Consumers Energy to bury electric lines in six Michigan counties
Consumers Energy has announced the approval of a targeted undergrounding pilot program by the Michigan Public Service Commission. With a $3.7 million investment, the company plans to bury 10 miles of overhead power lines within the next year.
I&M commences reconstruction of underground power line in Muncie, Ind.
Indiana Michigan Power (I&M) representatives plan to start construction next week to rebuild an aging underground power line along Tillotson Avenue in Muncie.
Underground electric cable replacement program in Geneva, Ill., to bolster service reliability
The city of Geneva, Illinois, is set to improve the reliability of its electric service by undertaking an underground cable replacement project slated to commence in March.
Austin Energy's distribution system undergoes assessment for underground feasibility
Twin independent studies by engineering firm Burns & McDonnell will begin in March 2024 to assess the underground feasibility and overhead resiliency of Austin Energy’s distribution system.
New York State OKs $57.8 million underground transmission line linking Nanuet to West Nyack
The New York State Public Service Commission has greenlit a $57.8 million project to install a new underground transmission line spanning approximately five-and-one-half miles between the Burns substation and the West Nyack Substation in the town of Clarkstown, New York.
OPALCO invests in underground power lines project in Washington's Doe Bay area
OPALCO has commenced a project to relocate overhead power lines to an underground system, covering the (temporary) Doe Bay bridge to the Eagle Lake intersection in Washington.
DOE awards $34 million for advancing underground power line technologies
The U.S. Department of Energy (DOE) has awarded $34 million for 12 projects across 11 states to strengthen and modernize America’s aging power grid through the development of cost-effective, high-speed, and safe undergrounding technologies.
- 2 workers killed, 1 injured while working on sewer line in Mobile, Ala.
- $5.3 billion, 516-mile pipeline to connect Texas to Arizona through New Mexico
- Tunnel boring continues under Chesapeake Bay for $3.9 billion HRBT Expansion project
- Judge approves construction for key portion of $485 million pipeline in Larimer County, Colo.
- 31 workers rescued after LA tunnel partially collapses
- New products: Latest industry developments
- 31 workers rescued after LA tunnel partially collapses
- Ohio Supreme Court rules sewer line location isn’t a ‘defect’ in property dispute
- Faulconer Construction begins rock blasting for water pipeline project in Charlottesville, Va.
- $5.3 billion, 516-mile pipeline to connect Texas to Arizona through New Mexico