https://www.google.com/url?rct=j&sa=t&url=https://www.energy-storage.news/blogs/uks-evolving-business-models-likely-to-take-installed-base-above-1.2gw-this&ct=ga&cd=CAIyGjZhOTlkNTI5ZjAxZmNhZTU6Y29tOmVuOlVT&usg=AFQjCNERXzH3Biz_NJcMhny5anZF88bi_w