Pratt & Whitney, a holding of United Technologies Corporation (NYSE: UTX) responsible for designing, manufacturing and servicing aircraft engines, as well as industrial gas turbines and space propulsion technologies, last week reported scooping a contract worth $571.1 million towards the start-up engine production for the Joint Strike Fighter, a program that targets the replacement of lagging and defective military aircraft for the U.S and its allies.

One of General Electric Company’s (NYSE: GE) 2015 resolutions is to witness the dawn of smart grid reality through next year’s induction of its latest energy management system named the ‘Home Energy Manager’, which will work hand in hand with the forthcoming smart thermostats to optimize energy and achieve zero consumption costs annually, the company said Tuesday.

Ener1, Inc. (NASDAQ: HEV) has been selected to supply lithium-ion battery solutions for Volvo Car Corporation’s two demonstration plug-in hybrid V70 models which will serve as forerunners to a planned series production in 2012.

In a campaign to solidify its presence in the emerging Italian photovoltaic market, China-headquartered LDK Solar Co., Ltd. (NYSE: LDK) on Tuesday stated it has followed up its recent successful projects in that country with the acquisition of a 70 percent controlling stake in Milan-based Solar Green Technology S.p.A (SGT).

Evergreen Solar, Inc. (ESLR) develops, manufactures, and markets solar power products primarily in Europe and the United States. Evergreen uses a proprietary technology, known as String Ribbon, which uses significantly less silicon than conventional processes.

Quantum Fuel Systems Technologies Worldwide Inc. (NASDAQ: QTWW) is set to supply its affiliate, Fisker Automotive Inc., with its ‘Q-Drive’ high-performance plug-in-hybrid electric vehicle architecture for a debut production vehicle, the Fisker Karma.

A one megawatt (MW), 250 kilowatt-hour battery storage system, developed by Altair Nanotechnologies Inc. (NASDAQ: ALTI) has become the first advanced Lithium-Titanate battery to provide grid regulation services in a major U.S electricity market.

American Semiconductor (AMSC:Nasdaq) manufactures and sells power electronic converters and superconductor wires to energy companies.