Via Engadget
Powerwall, Tesla's new battery solution for homes has just been announced, and is bound to open a new market. Tesla Energy is the new business unit that will sell the compact 10 kWh battery for $3500.
In my opinion, Powerwall has clearly one advantage for the following consumers:
- Homes powered by any kind of renewable energy: the batteries can store the surplus that can be later used, without drawing extra power from the grid,
- Homes without a renewable energy supply, but in areas prone to power outages: batteries may power basic appliances (fridges, heating) for the first few minutes of an outage.
- Homes without a renewable energy supply, but in areas with demand response/power shortages: batteries may cover the house energy needs for the duration of the demand response event, typically during peak hours. The battery is recharged during off-peak hours.
Tesla's Powerwall battery units addresses specific needs. Besides outage and demand response management, we expect to see the value of the batteries in conjunction with harvesting renewable energy.
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