Electric Transmission Construction
Park City, Utah, undergrounding project moves forward with conduit installation
Park City’s transmission line undergrounding project is progressing in April 2026, with conduit installation underway along key corridors as part of a multi-phase utility upgrade.
New York PSC opens proceeding on grid upgrades tied to large-load projects
The New York State Public Service Commission (PSC) has opened a formal proceeding to review how large-load projects — including data centers — connect to the electric grid and how associated transmission and distribution upgrades are funded.
Altadena residents rebuilding after fire face new costs from undergrounding plan
Altadena residents say SoCal Edison’s wildfire mitigation plan to bury power lines is leaving homeowners with unexpected bills of up to $40,000, sparking backlash as rebuilding continues after the Eaton Fire.
Riverside, Calif., power reliability project advances with new underground transmission line
Riverside is advancing a major power reliability project that includes new underground transmission lines and substation upgrades to add a second connection to California’s electric grid.
Dominion proposes 186-mile underground HVDC power line across Virginia
Virginia officials have backed Dominion Energy’s proposal for a 186-mile underground HVDC transmission line designed to boost electric capacity into Loudoun County as regional demand continues to surge.
New York approves buried power line for Micron’s $100 billion semiconductor facility
New York has approved a two-mile underground transmission line to connect National Grid’s Clay substation with Micron’s $100 billion semiconductor megafab in Onondaga County — a key step toward powering the largest private investment in state history.
Transmission shortfalls leave India’s renewables underutilized, IEEFA warns
India’s renewable energy boom is stalling as transmission projects fall behind. An IEEFA and JMK Research report warns more than 50 GW remain stranded due to grid delays, underutilized corridors, and slow expansion.
339-mile Quebec-to-NYC hydropower line enters last stage of construction
The Champlain Hudson Power Express, a 339-mile underground and underwater power line designed to deliver Canadian hydropower to New York City, has entered its final installation phase.
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.
- OSHA issues 16 citations following fatal sewer confined space incident
- 27 pipeline safety violations tied to deadly Pa. chocolate factory explosion
- Contractor gas line strike triggers home explosion in Missouri
- LA recovery reports call for $650 million power line burial, major utility upgrades in Pacific Palisades
- Comprehensive microtrenching FAQ: Key insights on the Vermeer MTR516 microtrencher
- T-Mobile to expand fiber broadband infrastructure footprint with $4.9 billion Metronet acquisition
- First tunnel boring machines complete testing for Hudson Tunnel Project
- NWPX grows water infrastructure portfolio with Colorado precast facility
- Cityside launches $100 million fiber build in Corona, Calif.
- FiberLight to build 1,400-mile West Texas dark fiber network in $350 million expansion