Gresham House Renewable Energy VCT 1 plc operates as an investment company focused on the renewable and clean energy sectors. It invests in a portfolio of businesses within these sectors and is structured as a Venture Capital Trust (VCT) to provide tax relief benefits to shareholders. The company is in a managed wind-down process, aiming to realize its remaining assets and return capital to shareholders while ceasing new investments. Its investment strategy emphasizes orderly asset realization and maximizing value from existing investments.