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Northvolt & Vattenfall introduce modular energy storage solution to replace diesel generators

Northvolt and Vattenfall have launched of a new battery energy storage solution, Voltpack Mobile System—a rugged, highly modular lithium-ion battery system envisioned as a zero-emission alternative to replace diesel generators.

Voltpack Mobile System delivers up to 250 kW with a scalable capacity from 245 to 1225 kWh of available energy. The system scales through a central interface hub, which can connect in parallel up to five self-contained Voltpacks, each containing three liquid-cooled, industrial-grade battery Voltpack Cores.

Northvolt_Mobile_Voltpack_1_

The hub also serves as an interface for applications, and houses inverter and auxiliary systems. If further power or storage capacity is needed, this can be fulfilled simply by connecting multiple Voltpack Mobile Systems in parallel.

Voltpacks feature high safety standards, and are designed and built by Northvolt. Leveraging field-proven technologies, Voltpack Mobile System is well-suited to operate under even the harshest conditions with a rugged profile and unique design features engineered for transportation and repeated redeployment.

Voltpack Mobile System will serve as a modular power supply solution which can be configured to meet energy and power requirements of a wide variety of market scenarios.

Prime applications include powering remote electricity grids, reinforcing weak grids, supporting electric vehicle charging and delivering grid services such as balancing power, flexibility, or other ancillary services.

Designed for redeployment, the system can be deployed for operations lasting days, weeks or even longer periods of time. This characteristic opens Voltpack Mobile System up to opportunities of leasing and is expected to significantly expand the system’s utility.

The need for flexible energy solutions such as energy storage is vital for the transition to the new energy system. Energy storage provides fast access to power when customers need to peak-shave or the capacity of the grid connection is insufficient. The battery storage solution will be offered as part of our concept "Power-as-a-service”, which means that we deliver a complete package with ownership of the energy storage and manage it to the specification of the customer. Vattenfall add a long experience of owning and operating different kind of network solutions including energy storage.

—Torbjörn Johansson, head of Vattenfall Network Solutions Sweden

Within the project, Northvolt has led development and production of core technologies, including battery and complementary inverter systems, and the battery management system.

Drawing on the company’s experience of delivering commercial grid solutions to market, Vattenfall has supported Voltpack Mobile System project development to tailor the product to match the needs of the market, through both advising on design and functionality.

Final validation of the system will be undertaken at Vattenfall’s test and certification center in Älvkarleby, Sweden. Vattenfall will be the first to offer the battery unit to the market, and have identified the need for sustainable solutions at industries, for microgrids, construction sites as well as for event organizers.

Comments

Engineer-Poet

"Replace diesel generators"?  Not for very long/much.  245 kWh is barely 10 kW * 24 hr.  Even the 1225 kWh assemblage is not going to run e.g. a hospital for more than an hour or two; if the power outage/deficit lasts longer than that you're looking at blackouts.

Maybe this will work for peak-shaving.

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