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Battery projects lined up to replace gas in California

Wed, 07/11/2018 - 14:06 -- Xuan Zhong
Battery projects lined up to replace gas in California

Energy regulators in California are being asked to approve installation of four battery storage facilities to replace reliance on gas peaker plants for grid reliability.

The Pacific Gas and Electric Company (PG&E) is asking the California Public Utilities Commission to approve installation of four lithium-ion units— with a combined BESS capacity of more than 560 megawatts— to replace local gas generation plants in the South Bay area.


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DBR to supply gas genset to offshore gas platform

Thu, 08/21/2014 - 12:09 -- Laura Varriale
GDF Suez offshore gas platform

Dutch critical power supplier DBR is to deliver a gas genset to GDF Suez E&P Nederland’s offshore gas platform E17a-A located in the North Sea.

The 275kVA genset comprises of a gas powered MAN engine and a Leroy Somer air-to-air cooled generator. The system is designed to operate for 1,200 hours between maintenance intervals, according to DBR.

Due to limited space on the manned gas platform, DBR customised the genset design. “By placing the air cooling unit outside the engine room and reducing heavy components to a minimum we have come up with an efficient design that meets our client’s requirements,” said DBR sales manager Henri Hafkamp. The genset uses a single instead of a double frame and is manufactured with robust components to decrease risks of vibration.

The delivery is set for the end of 2014.

DBR recently struck a deal to supply emergency/harbour diesel gensets for six new pipelaying vessels from IHC Merwede.

GDF Suez E&P Nederland has 34 gas producing platforms and an annual gas production of 6 billion Nm3.

CAT launches dual fuel genset module

Fri, 03/21/2014 - 11:37 -- Ruth Williams
The dynamic gas blending lets the engine burn lower quality gases than a gas-only solution would allow.

Caterpillar has brought out a power module for dynamic gas blending called the CAT XQ2000 with dual fuel option to allow operators to use a range of gaseous fuels.

The dynamic gas blending system is designed for use with the 50Hz 1600kW XQ2000 power module driven by a CAT 3516B engine, which can be integrated to existing modules to reduce fuel costs by making use of available fuels as gas supply changes.

The dynamic gas blending lets the engine burn lower quality gases than a gas-only solution would allow. Caterpillar says the system allows customers switch between gas and diesel so can be used with intermittent gas supplies making it ideal for less-developed regions where supply is less reliable.

“The fuel savings achieved with this system depend on a number of variables, including the application and the quality of the gas being used, as well as the pressure and available volume,” said John Hancock, Caterpillar Rental Power project manager. “By fully automating the control system, we are able to maximise gas substitution for each operating point and gas condition, offering our customers the most fuel-efficient solution possible."

The engine can run on a wide variety of fuels from gasses to vaporised liquefied natural gas with no loss of performance. Cat said it will maintain diesel performance with up to 70% replacement of diesel with gas and can accept up to 55% inert gases.

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