Who’s moving and who’s wheeling and dealing in the cleantech sector? Here are some of the week’s top developments:

• Solar products manufacturer Energy Innovations has named Joseph Budano (PDF) as CEO;
• Aurora Biofuels has named Bob Walsh as its new CEO;
• FirstEnergy this week announced the results of its reorgnisation and workforce reduction;
• Concentrating solar energy firm Entech Solar announced a restructuring this week to control costs;
• Former SunPower COO PM Pai has joined Suniva Inc.’s board of directors;
• Intermolecular this week hired Craig Hunter as vice president and general manager of solar business;
• NRG Energy acquired Reliant Energy’s retail energy business in Texas for $287.5 million (US);
• First Solar acquired Opti Solar’s solar-energy project pipeline, with a potential capacity of more than 20 gigawatts;
• Spain’s Fotowatio this week purchased MMA Renewable Ventures, giving the firm a new foothold in the US solar energy market.

• Green technology investors seek safer havens in 2011
• New US consortium plans $1.4bn in cleantech investments
• What does 2011 hold for China, US?
• World Economic Forum: Cleantech rules
• Virtual design speeds green reality
• Opinion: Darling’s green bank idea is laughably small
• Some guys and Holy Grails: 5 rules for spotting ‘cleantech porn’
• Despite some ‘green shoots,’ cleantech VCs see trouble ahead
• Cleantech Connect Awards recognise fast-growing innovators
• Irish cleantech firms seek opportunities in Silicon Valley