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Sony, Hydro-Québec JV Esstalion to begin testing large scale stationary energy storage system

Esstalion Technologies, the joint venture formed in 2014 by Sony Corporation and Hydro-Québec, will soon begin testing the first prototype of a large-capacity energy storage system. The prototype has a capacity of 1.2 MW and can store 1.2 MWh, equivalent to the daily consumption of 23 Québec homes.

This large-scale energy storage system will meet electricity demand during peak consumption periods and facilitate the integration of renewable energy onto the grid.

The prototype is made up of a container measuring 16.2 meters (53 feet) that consists of 576 battery modules, an inverter to convert the current, a transformer to adjust the storage system voltage to that of the grid, and control and protection equipment. The battery modules are manufactured by Sony and use Hydro-Québec’s lithium iron phosphate technology.

Using a container allows the storage system to be moved by truck for quick on-site deployment.

Tests will be carried out in the summer to analyze storage system performance during charging and power and energy injection onto the grid.

Initially, testing will be done on the low-voltage network of the Esstalion Technologies laboratory, set up at Hydro-Québec's research institute in Varennes, Québec. Trials will then be conducted on a 25-kV distribution test line at the research institute.

Comments

mahonj

It is a bit ironic that this is being done by Hydro-Québec when hydro electricity is the nearest thing you have to stored energy. Maybe it can react faster or something.

I have always felt that if you have a lot of hydro, you should be able to use it to buffer wind and/or solar due to their intermittancy.

Maybe you need some very fast reacting batteries as well.

Anybody know anything about this ?

HarveyD

The current Hydro-Quebec storage requirement (95+% Hydro and 5% Wind) is questionable.

This may have more to do with the promotion of Q-H iron phosphate batteries and further (more) installation of large wind turbines on the current grid.

Could also be useful as (no break) back up power units for hospitals, computer firms, subways, security comm systems etc?

MJ Grieve / AHEAD Energy 501c3

Much of the hydro-electric capacity is in the far North, so I expect the transmission capacity south is sometimes the bottleneck. Storage in and around Montreal may be quite useful for managing the daily swing in demand and improving power quality for hospitals, data centers etc.

Of course developing the larger market for the battery technology in support of renewables is also a motivation.

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