Transmission lines/substations and property values
Do transmission lines and substations have an effect on property values? It’s a fair question and one often asked – unfortunately there’s no simple answer. Many factors can affect market prices of real estate including market trends, proximity to existing, new and planned developments, schools transportation and other amenities. The existence of transmission infrastructure is only one factor out of many that would be considered by a prospective buyer – some factors are more or less important to different buyers.
Electric and Magnetic Fields (EMF)
We recognize that people are concerned about EMF, which exist everywhere there is electricity. We treat these concerns very seriously and are guided by EMF research that is compiled and reviewed by national and international health agencies, including Health Canada and the World Health Organization. We provide information to people who have questions to keep them informed about the status of EMF research and typical levels of EMF from various sources.
After more than 40 years of research that includes thousands of studies and numerous reviews by health agencies, Health Canada and the World Health Organization have not concluded that typical exposures to EMF from above-ground power lines have any known health consequences.
Transmission lines carry high voltage electricity across long distances to substations, where the power is then stepped down to lower voltages that can be used in homes and businesses. Transmission lines voltages range from 72 kilovolts (72,000 volts) to 500 kilovolts (500,000 volts).
Once voltages are stepped down (e.g. reduced) at a substation, the electricity cruises along distribution wires. These lines are the ones that leave a substation and make their way to a home or business. Distribution voltages are lower, ranging from 120 volts to 25,000 volts.
Substations are where electricity is stepped down from high voltage electricity to lower voltage that can be used in our homes and businesses. Substations can include equipment such as transformers, circuit breakers, current limiting equipment and communications equipment.
A volt is a unit of electric potential that specifies the amount of electric force carried through a power line.
A kilovolt is a thousand volts.
A circuit breaker is an automatic switch that protects electrical equipment from overloading. A breaker is an electrical switch designed to protect an electrical circuit from damage caused by overload or a short circuit. When a breaker detects a problem, it trips and immediately stops electrical flow.
Utility right-of-ways are designated areas for utilities including power poles, underground powerlines, water, swear, telephone, gas and telecommunication lines. Most utility right-of-ways in Edmonton are located on city property.
Transportation utility corridor (TUC)
A transportation utility corridor is an area designated for uses such as ring road systems, major power lines, pipelines and municipal utilities. The ring road system in Edmonton includes Anthony Henday Drive and Highway 216. For more information regarding Edmonton’s Transportation/Utility Corridors download Alberta Infrastructure’s Information Sheet.