Beatrice Lang
Burying electrical lines can increase property value for homeowners. The cost to convert electric service from overhead to underground starts at $2,500 and can vary depending on terrain and property conditions. Burying electrical lines can enhance the aesthetic quality of the landscape, reduce the risk of wildfires, and increase electric reliability. The process of burying electrical lines involves trenching, laying power lines into the trench, and covering them. This method improves safety by reducing accidents and the vulnerability of power lines to severe weather conditions.
| Characteristics | Values |
|---|---|
| Cost of burying existing power lines | $2,000 to $6,000 on average, or $4 to $10 per foot plus a one-time $300 to $650 service fee |
| Cost of burying new power lines | $5,000 to $12,500 for 500' of new electrical lines |
| Cost of burying power lines by MGE | Starts at $2,500 |
| Cost of burying power lines by Dakota Energy | $11,570 per mile |
| Cost of burying power lines by Public Service Commission of Wisconsin | $1.5 million per mile |
| Benefits | Increase in property value, enhanced safety, reliability, and aesthetics |
| Disadvantages | Higher capital cost, longer restoration times, safety issues associated with explosions and fires in underground vaults |
| Installation methods | Trench, duct bank, air cables |
| Requirements | Call local building inspection department, follow National Electrical Code, trench depth of 6-24 inches |
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What You'll Learn
Burying electrical lines can increase property value
Secondly, burying electrical lines can enhance safety and reliability, which are crucial factors in determining property values. Overhead power lines can pose safety hazards, such as vehicles crashing into poles or vegetation igniting fires when contacting the conductors. Undergrounding eliminates these risks and also reduces the vulnerability to high winds, severe weather conditions, and natural disasters like tornadoes, hurricanes, and ice storms, which can cause power outages and damage to overhead infrastructure.
Additionally, burying electrical lines can free up space on sidewalks, allowing for the presence of more large trees and contributing to environmental benefits. This can make an area more desirable and potentially increase property values. Furthermore, undergrounding can reduce urban and industrial blight and make wildfire-prone areas safer, further enhancing the value of properties in these regions.
While the process of burying electrical lines can be costly, with prices varying depending on terrain and property conditions, it may be partially or fully funded by utility companies, customers, or property owners through various programs and tariff rules. Burying electrical lines can also reduce operating costs over the lifetime of the cables, potentially offsetting some of the initial capital costs.
Overall, burying electrical lines can bring numerous benefits, including enhanced aesthetics, improved safety and reliability, environmental advantages, and reduced blight, all of which can contribute to increasing property values in the affected communities.
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Underground lines are safer and more reliable
Burying electrical lines can increase property value and make the area more aesthetically pleasing. The process involves burying electrical lines underground, which can be done for new connections or by converting existing overhead lines. The cost of converting electric service from overhead to underground typically starts at $2,500, but this can vary depending on terrain and property conditions.
However, it is important to note that underground lines are vulnerable to earthquakes and flooding. They are also more expensive to build and maintain, with construction costs being approximately 3-5 times higher per foot compared to overhead lines. Additionally, underground lines can be susceptible to water and excavation damage, and repairs can take longer due to the difficulty in locating the fault.
To ensure the safety and reliability of underground electrical lines, there are specific code requirements and safety precautions in place. The National Electrical Code specifies the required burial depth of wiring and other safety considerations. It is recommended to use galvanized rigid metal electrical conduit with individual insulated wires installed at a depth of six inches. GFCI-protected direct-buried Type UF cable should be installed at a depth of 12 inches, while PVC conduit with individual insulated wires should be installed at a depth of 18 inches. Type UF cable can also be installed for the entire run at a depth of 24 inches.
Overall, burying electrical lines can provide safer and more reliable electrical infrastructure, but it comes at a higher cost and has some vulnerabilities to consider.
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Burying costs vary depending on terrain and conditions
Burying electrical lines can increase property values. The costs of burying electrical lines vary depending on terrain and conditions. The cost to convert electric service from overhead to underground typically starts at $2,500, but this cost may vary depending on the terrain and conditions of the property. The estimation includes services such as burying the electric wire from the overhead line to the house. The cost of services from an electrician is not included in this estimate. These additional services may include the installation of a new meter socket on the outside of the house and wiring from the new meter to the electric panel inside the home.
The cost of burying electrical lines also depends on the location, trench length, and whether the power company shares the cost. The power company may cover part of the installation cost based on the estimated revenue from the customer, or they may run the line for free up to a certain distance. The cost to bury existing power lines is $2,000 to $6,000 on average, or $4 to $10 per foot, plus a one-time service fee of $300 to $650. The cost of running power underground is $10 to $25 per foot, or $5,000 to $12,500 for 500' of new electrical lines.
The terrain and soil type can impact the cost of burying electrical lines. If the soil is rocky or heavy clay, or if there are many tree roots, it may be necessary to use metal or plastic conduit to protect the buried wiring. This can increase the cost of the project. In some cases, trenching machines may be needed to dig down to the required depth, which can also add to the expense.
The method used for burying the electrical lines can also affect the cost. For example, the trench method involves digging trenches, laying power lines into the trench, and covering them back up. The duct bank method uses parallel conduits held by spacers with sand or concrete filled in between. The choice of method depends on various factors, including the specific requirements and conditions of the project.
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Burying lines requires following safety precautions
Burying electrical lines can elevate property value and enhance safety and reliability. Before embarking on such a project, it is important to be aware of the safety precautions to ensure the work is carried out safely and complies with regulations.
Firstly, it is essential to contact your local building inspection department to determine if an electrical permit and inspections are required. The electrical inspector will verify the depth of the trench and inspect the wiring before it is covered. This will cost a few dollars in inspection fees, but it ensures your work is safe and can facilitate a smoother sale of your home in the future.
Secondly, the National Electrical Code (NEC) outlines specific safety requirements for burying electrical lines. It is imperative to follow these guidelines for safety and compliance. The NEC states that direct-bury cables must be buried at least 24 inches deep, or 18 inches if they are in PVC conduit. If you are using low-voltage wires, they must be at least 12-24V and cannot share the same conduit as 120/240V circuits, but they can share a trench if in separate conduits. All outdoor outlets must be protected by a GFCI (Ground-Fault Circuit Interrupter) and be weather-resistant.
Thirdly, the type of soil will determine the method and materials used for burying electrical lines. If the soil is granular and easy to dig, you may not need to install metal or plastic conduit to protect the wiring. However, if the soil is rocky or heavy clay, or there are tree roots, it is advisable to use metal or plastic conduit to protect the wiring.
Finally, it is important to seal everything against moisture and protect it from physical damage. Place warning tape above the trench to prevent future accidents, and ensure you map out the wiring route. Before digging, call 811 to have existing utility lines marked to avoid any problems.
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Underground lines have a lower risk of damage
Burying electrical lines can increase property values, but it is a costly endeavour. The cost of burying electrical lines typically starts at $2,500 and can vary depending on terrain and property conditions. The cost of burying cables at transmission voltages is several times greater than that of overhead power lines, and the life-cycle cost of an underground cable is two to four times that of an overhead line.
However, underground lines are not without their vulnerabilities. They are more susceptible to damage from ground movement, such as earthquakes. Underground repair and check-ups can be more difficult and time-consuming, requiring street digging that can create potholes and increase traffic congestion. Additionally, underground cables are at risk of damage from equipment dig-ins, water intrusion, and even rodent damage.
Despite the higher initial cost and potential repair challenges, burying electrical lines can be a good investment, especially in areas prone to severe weather. The reduced risk of damage and disruptions, coupled with lower maintenance expenses, can make underground lines a more reliable option in the long run.
To bury electrical lines, one must follow specific safety precautions and obtain the necessary permits and inspections. The depth of the trench and wiring must adhere to the National Electrical Code to ensure safe and reliable service. The choice of wiring method and materials also depends on the type of soil, with rocky or clay soil requiring protective conduit for the wiring.
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Frequently asked questions
The average cost of burying electrical lines is $2,000 to $6,000, or $4 to $10 per foot, plus a one-time service fee of $300 to $650. The cost varies depending on the terrain and conditions of the property.
Burying electrical lines can increase property values, enhance safety and reliability, and reduce the risk of wildfires and power outages caused by severe weather conditions. It also improves the aesthetic quality of the landscape.
The process involves trenching, where trenches are dug, power lines are laid, and then covered back up. Another method is to use parallel conduits held by spacers with sand or concrete filled in between.
Yes, it is important to follow the National Electrical Code and local building codes. A building permit and inspections may be required, and the electrical inspector will verify the depth of the trench and inspect the wiring.
Yes, aerial cables or air cables are an alternative to burying electrical lines. These are insulated cables spun between poles and are often used in coastal or flood-prone areas as underground lines are susceptible to subsurface flooding.
