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for each potential energy option.
Electrical energy cannot be stored without the help of some kind of technology.
Electrical storage systems allow energy generated at one time to be held for use at another time. There are many types of storage, including compressed air, flywheels, hydrogen cells, and capacitors. Our research indicates battery storage is the most promising for Yukon.
TransGrid Solutions Inc. was hired to do a full review of existing energy storage technologies.
The evaluation focused on the technologies that would be compatible with the Yukon power system. It looked at power quality, grid support, load shifting, and the integration of renewables. It also examined safety, environmental concerns, and cost.
It found that electrochemical batteries were most promising. TransGrid selected lead acid and lithium ion batteries for further study based on safety, overall cost and proven technology.
|Annual Energy||Firm Energy||Installed Capacity||Dependable Capacity||Levelized Cost of Energy||Levelized Cost of Capacity||Project Life||In-service Lead Time|
Takhini Substation 1
Takhini Substation 2
Takhini Substation 3
Takhini Substation 4
|Aquatic environment||Most favourable|
|Terrestrial environment||Most favourable|
|Air quality||Most favourable|
|First Nation lands||Most favourable|
|Traditional lifestyle||Most favourable|
|Heritage resources||Most favourable|
|Tourism/recreation/other land uses||Most favourable|
|Cultural/community well-being||Somewhat favourable|
|Local economic benefits||Least favourable|
|Climate change risk||Most favourable|
Because these batteries are modular, they can be installed in a reasonable timeframe and power capacity can be added in small increments as demand grows. By adding the batteries in increments, Yukon Energy could take advantage of future improvements to the technology.
Modular systems; system can be expanded as needed
Relatively inexpensive capacity
Very expensive energy