battery

Duke to upgrade pumped-storage station to accommodate renewables

The energy giant is upgrading its Bad Creek pumped hydro storage facility from 1,000 to 1,300 MW.

Musk wants Tesla private – it’s our fault

Elon Musk says he’s secured funding at $420 per share to take Tesla private. His letter to employees points toward short sellers and propaganda peddlers causing stock price volatility.

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Tesla’s mad growth in energy storage

In the first two quarters of 2018 Tesla deployed 40% more energy storage than all of 2017, with 300-400% growth expected for 2019. Solar power deployments grew 11% to 84 MW over a low Q1 value.

Rural electric cooperatives are becoming a gigawatt PV market

A report issued by the National Rural Electric Cooperative Association shows rapid PV growth in less than a decade in co-ops.

Panasonic mulls further investment in Tesla battery gigafactory as shortages loom

The suggestion of additional investments beyond the $1.6 billion follows reports of battery cell shortages as Tesla’s Model 3 picks up production. It is unknown what impacts this will have on Tesla’s stationary storage business.

Elon Musk’s unprecedented solar+storage vision for Puerto Rico moves forward

Puerto Rico is requesting ten 20 MW / 20 MWh batteries to be deployed strategically in the country’s power grid. The RFQ notes that sites should be upgradable to 40 MW / 160 MWh.

Kaua’i to near 70% renewables with massive solar + storage project

The 70 MWh energy storage system accompanying a 19 MW solar project is one of the largest batteries to be deployed in the United States, and is coming in at under 11 cents per kilowatt-hour.

Tesla and Panasonic to kill cobalt curse

Panasonic announced an aim to produce batteries for Tesla without using cobalt, much of which is sourced from the unstable and conflict-ridden Congo.

Panasonic and Pika up the pace

Pika Energy has increased its home battery capacity to 17.1 kWh – about half an average home’s daily usage. The units are powered by Panasonic lithium-ion cells.

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Tesla Powerwall adds time-based control

A software update for the Powerwall 2 home energy storage system adds controls to allow owners to take advantage of time of use electricity rates in California and other states

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