Driivz will transform an energy storage solution using EV batteries

Some types of alternative energy sources present a difficult problem: what to do when the source stops supplying energy? Solar power is not available at night and wind power is not there when the wind stops blowing, but the demand for power does not stop. The solution is to draw power from storage of some type, but storing the power can be problematic.

The immediate answer is to use batteries, but supplying power to a power grid would require a lot of batteries, and batteries are expensive. Fortunately, Driivz, a subsidiary of Vontier Corporation, found plenty of batteries, and they spend a lot of time connected to the grid.

These batteries are installed in an increasing number of electric cars and trucks. According to Driivz, the vast majority of these cars and trucks spend a lot of time connected to the grid while they are charged for the next time they are needed. In the case of electric cars, they recharge at home, at night, when the sun is not shining.

EV batteries as storage

“The most significant advances for climate change may come from using electric vehicle batteries as storage resources that can be used to balance peaks in demand for generation capacity and address renewable energy availability issues,” said Doron Frenkel, CEO of Driivz.

“A world full of EV batteries changes everything,” Frenkel explained. “The question for both balancing production and expanding the use of renewables is how to store that energy for later use. EV batteries, combined with smart energy management, are the answer.

“Then they can return excess power when it’s most needed and most expensive, reducing peak generation demands, as well as CO2 emissions,” he said.

All of this would require fundamental changes in how electric vehicle charging works. For example, the current pricing practice is a one-way street. Electric vehicles get electricity from the grid, but there is no way to send it back.

What’s needed, Frenkel said, are changes to charging station design and vehicle charging circuitry, to allow electricity to be drawn from the electric vehicle’s batteries and returned to the grid. , but he says that the owners of these electric vehicles would be compensated for the electricity used, which would encourage participation in such a program.

Owners can enjoy

Frenkel pointed out that if managed properly, electric vehicles can be charged when electricity is cheapest for owners. “They can profit from storing electricity for the grid: buy low and sell high.”

Driivz is already one of the largest electric vehicle charging software companies in the world, and the management needed for what the company calls Climate Recharge is an extension of its energy management software platform, operations and invoicing already used worldwide.

Frenkel said that as the use of electric vehicles increases, this will lead to more charging stations, which in turn will lead to more opportunities to use these charging stations to put energy back into the network.

“With intelligent energy management, it will be possible to capture and store excess generation during periods of low demand, distributing the stored energy to chargers or returning it to the grid to help meet the peak demand,” Frenkel explained. “These capacities are designed to flatten the demand curve and bridge the gap between demand and supply for electricity.”

While Frenkel did not provide a timeline for this conversion to using EV batteries to provide energy storage to the grid, he did say it could begin soon enough if new charging stations are designed to handle bidirectional energy transfers. He said this is already being done with household electricity generation, such as rooftop solar panels, which can already send electricity back to the grid.

“Moving forward, it will be necessary to ensure that vehicles, charging stations as well as the grid and micro-grid are designed and built to support two-way charging,” he said. declared.

About Troy McMiller

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