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california

Exide gains permission to reopen Californian lead smelter under condition

Tue, 07/15/2014 - 10:05 -- Laura Varriale
Exide facility in Vernon

California's South Coast Air Quality Management District (AQMD) Hearing Board has given Exide permission to reopen its Vernon lead smelter after the company installed environmental protections.

The protections include air quality control equipment that monitors arsenic emissions and stops lead-contaminated dust from being released during upgrades. Exide is also obliged to submit monthly status reports to the AQMD Hearing Board.

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Stem to participate in California ISO market

Tue, 07/01/2014 - 09:12 -- Laura Varriale
Stem Energy Storage

Energy storage startup Stem is to supply its distributed energy storage devices to the California independent system operator (ISO) market.

Stem combines behind-the-meter energy storage and real-time data analytics for commercial and industrial business. The pilot project between California ISO and Stem provides to bring various distributed storage systems together as one resource and feed it into a demand response system. With aggregating these power resources, the company will be able to dispatch power to the Californian grid in situations of high demand, without impacting customers’ operations, according to Stem.

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EnerSys acquires Quallion for US$30m

Thu, 10/31/2013 - 16:39 -- Ruth Williams
Enersys and its subsidiaries the largest domestic provider of battery technology to the space industry.

Enersys has acquired Quallion LLC, a manufacturer of lithium-ion cells and batteries for high integrity applications, for US$30m.

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GE powers California load shifting project

Thu, 10/31/2013 - 14:40 -- Ruth Williams
Discovery Science Centre in Santa Ana houses the pilot project

GE Energy Storage is providing the storage for a 500 kWh load-shifting project for the Southern California Edison project at the Discovery Science Centre in Santa Ana.

The project aims to shift 10 – 20% of the centre’s daily electrical consumption to off-peak hours by using a 500kWh storage system to provide backup power.

GE is providing a turnkey Durathon battery energy storage system and Princeton Power Systems is providing the invertor control system to integrate with the storage system to load shift to enable the Centre to reduce its peak electricity usage and thus its electrical bill.

Kellee Preston, Vice President of operations at Discovery Science Centre, said: “We are eager to demonstrate technologies that can reduce our energy cost while adding to the reliability of the electric grid. We’ll be able to use the system to increase outreach on energy issues and better explain the benefits that storage can bring to the electric grid system.”

Southern California Edison is managing the project as part of California’s statewide initiative to reduce peak demand on the electrical grid. Along with the Centre, SCE will monitor the performance of the system and use it to assess how remote storage systems can bolster distribution network’s performance.

California becomes first state to introduce energy storage targets

Thu, 09/05/2013 - 16:54 -- Ruth Williams
Welcome to Cali

The California Public Utilities Commission (CPUC) has authored a proposed decision to install 1.325GW of energy storage across the state by 2020. Commissioner Carla Peterman has set out year-by-year procurement targets for Southern California Edison (SCE), San Diego Gas & Electric (SDG&E) and Pacific Gas & Electric (PG&E).

The installed energy storage can come from any type of technology and can be employed for a variety of functions such as capacity, ancillary services and peak shaving.

PG&E and SCE are each required to install 580 MW of capacity and SDG&E must acquire 165 MW in total by 2020. The utilities would be allowed to own some of the energy storage capacity as part of their distribution system planning process.

This is the first time energy storage has been included in a State policy, supporters hope it will create a market for electrical energy storage solutions. There has been opposition to the proposal from stakeholders, including generator set trade representatives, who believe electricity storage suppliers should compete in the capacity market with other technologies rather than being prioritised in such a way.

The first installations of capacity must be no later than December 2014.

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