A solar concentrator comprising: a base; a framework, the framework being hingedly joined to the base such that the framework can be rotated relative to the base; and a plurality of mirrors arranged relative to a first axis of the framework, such that all of the mirrors are located on one side of a plane which contains the first axis, each mirror being fixed to the framework and each mirror being arranged to reflect light travelling parallel to the first axis towards a common focus which lies on the first axis.