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19
Feb
2018
Power Trip: New Technologies From Tesla, Mercedes, Ikea, And Others Could Hold The Key To Widespread Solar Adoption

Power Trip: New Technologies From Tesla, Mercedes, Ikea, And Others Could Hold The Key To Widespread Solar Adoption

19 Feb 2018


Solar energy continues to gain ground on non-renewable energy sources such as coal. However, there are still major technological hurdles holding solar back from becoming a more widespread energy source.

One of those challenges is storage — the ability to save unused solar energy and access it on demand.

Now, several innovative new methods for storing solar energy are gaining traction, from lithium-ion batteries to substances that have high heat-holding capacities, like molten salt.

Lithium-ion batteries

Today, most energy storage projects use lithium-ion batteries, which have seen their price fall to nearly half what they were in 2014. Lithium-ion batteries have a longer lifespan and require less maintenance than conventional lead acid batteries. They also hold up better in colder environments.

TESLA, IKEA, AND AUTO-MAKERS


Tesla’s Powerpack

Large-scale lithium ion solutions include Tesla’s Powerpack battery system. The Powerpack is meant to last ten years while operating daily. It’s a self-contained unit, with battery, controls, cooling, and safety equipment housed inside the Powerpack’s casings.

Tesla Powerpacks are also being used in other renewable energy sources, like wind. The Powerpack already powers a 129 MWh (megawatt-hour) storage system in South Australia. The system connects to a wind farm in Hornsdale, which is owned by French solar and wind company Neoen. The Powerpack helps the state power over 30,000 homes with stored wind energy at any time. The system uses the world’s largest lithium ion battery.

In October 2017, Tesla won a contract to help store solar, wind, and other forms of energy at a hybrid renewable site in North Queensland.

IKEA recently released a lithium-ion personal battery, citing a stat that homes that have solar panels but don’t own storage options use only 40% of the electricity that they’ve gathered from the sun. The IKEA battery pack is powered by Solarcentury, which is considered the UK’s largest solar producer. It’s only available in the United Kingdom.

Similarly, several automakers are also pursuing lithium-ion battery development, partnering with solar companies and combining their lithium-ion battery capabilities with solar installation technology. Vivint Solar has partnered with Mercedes Benz to bring solar energy storage to homes. Its energy capacity is between 2.5kWh and 20kWh.

Source: CBINSIGHTS


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