Renewable energy technologies are likely to become more important as other energy sources become depleted and the cost of power generation rises. These sources of energy have considerable potential for increasing security of supply although, in most cases, they require significant initial investment. Currently the Highways Agency is an energy user and has no significant energy generation capability. This report surveys the different forms of renewable energy and provides a preliminary assessment of the prospects for procuring renewable energy from within the highway network. (A)

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