Preposition: on

• roof: We will work with businesses and communities to install solar panels on one million roofs around our nation by 2010.

• top: Bedfordshire County Council is installing a 34 square meter array of solar panels on top of its roof in a bid to save energy.

Preposition: as

• standard: All new properties both business and residential to be fitted with solar panels as standard.

Adjective modifier

• separate: Operates in direct sunlight Powered by a separate solar panel ( supplied ).

• big: Selecting say LED lighting, very high insulation, flat screen TV and portable is economically more relevant than getting ever bigger solar panels.

Converse of object

• install: We will work with businesses and communities to install solar panels on one million roofs around our nation by 2010.

• mount: Defra have installed 13m ² of roof mounted solar panels providing hot water throughout the year for 120 staff at Bury St Edmunds.

• include: All new houses will be highly insulated, and there will be incentives for builders to include solar panels / solar water heaters.

• have: The mono-pitch roof of the tower may have solar panels fitted, in order to provide hot water for the building.

• get: Selecting say LED lighting, very high insulation, flat screen TV and portable is economically more relevant than getting ever bigger solar panels.

• incorporate: All new roof build ( new houses and extensions ) to incorporate solar panels for planning permission.

Preposition: in

• roof: Solar panels in the roof provide hot water when the Aga is not in use in the summer.

Converse of subject

• power: The low voltage pump is powered by an independent solar panel.