Saudi Arabia is fast becoming a leading investor in alternative energy with the government announcing various solar energy projects that are aimed to ensure sustainable long-term supply of energy across the Kingdom.

Romania will "certainly" reduce incentives for solar power generation from 2014 to avoid overcompensation, according to Zoltan Nagy-Bege, a board member at the country's energy regulator, also known as ANRE.

Importers of inexpensive solar panels from China said on Tuesday that imposing tariffs would lead to hundreds of thousands of job losses in the EU, the biggest export market for the China-based equipment.

China's pledge to reduce pollution after air-quality in Beijing hit hazardous levels on 20 days last month has cut financing costs for the world's biggest maker of solar wafers to a four-month low.

In yet another wrinkle in the solar trade war with China, a consortium of European manufacturers filed an anti-dumping complaint with the European Commission against solar glass from China.

Appeals have been filed against the US Department of Commerce's recent ruling that Chinese photovoltaic manufacturers may assemble and ship modules to the US using solar cells produced in countries outside of China without incurring tariffs.

LDK Solar Co Ltd said China Development Bank Corp approved a CNY440 million (US$69.8 million) loan, as the country's state-run banks continue to extend credit to its solar companies.

China plans to increase its goal for solar-power installations in 2015 by 67% to reduce reliance on fossil fuels blamed for greenhouse gases and as smog in Beijing reached record hazardous levels this month.

An audacious plan to lay a multibillion-dollar wind power transmission spine under the seabed from southern Virginia to the New York City area will take a step forward on Tuesday with an announcement of plans for the first leg, a 189-mile segment running from Jersey City to a spot south of Atlantic City.