

A focus on enhancing capital value for the long-term
SDCL Efficiency Income Trust plc (SEIT) is the first listed company of its kind to invest exclusively in the energy efficiency sector. Projects that SEIT invests in either provide decentralised on-site generation of power and heat, or projects which reduce energy demand.
The Company’s portfolio comprises assets across the UK, Europe and North America.
The Company’s objective is to generate an attractive total return for investors comprising stable dividend income and capital preservation, with the opportunity for capital growth. It delivers this to shareholders through its investment in a diversified portfolio of energy efficiency projects that deliver lower cost, cleaner and more reliable energy solutions to end users of energy.
The Company’s investment manager is Sustainable Development Capital LLP (“SDCL”). Established in 2007, SDCL is a specialist firm, with a proven track record of developing and investing in energy efficiency and decentralised energy generation projects in the UK, Europe, North America and Asia.
SDCL is headquartered in London, and the group operates internationally from its offices in New York, Dublin, Hong Kong and Singapore. SDCL is authorised and regulated in the UK by the Financial Conduct Authority.
-
Investing in critical energy infrastructure in critical industries
-
Investing in high quality operational projects
-
Creating and developing new projects
-
Generating stable and predictable income
SEIT History
-
RED Rochester commences construction of a new £69m CHP plant
2023
-
Onyx secures record MWs of onsite solar contracts in US
2023
-
SEIT delivers a £20m share buyback programme
2023
-
SEIT acquires a 69MW onsite solar portfolio in the UK, UU Solar
2022
-
SEIT grows its presence in Iberia through acquisition of its first investment in Portugal
2022
-
SEIT is admitted to the FTSE 250
2021
-
SEIT acquires the remaining equity in Primary Energy and now owns 100% of the project
2021
-
SEIT acquires a large-scale green gas-to-grid project in Indiana, US
2021
-
SEIT acquires RED Rochester, a US commercial district energy system
2021
-
SEIT completes its investment in Onyx-Developed Solar and Storage
2020
-
SEIT releases first ESG Report
2020
-
SEIT completes its investment in Gasnätet
2020
-
SEIT completes its first investment in Primary Energy
2020
-
SEIT’s first investment
in North America –
Northeastern US CHP2019
-
SEIT completes the
acquisition of its first continental
European investment –
Oliva Spanish Cogeneration2019
-
SEIT’s first post-IPO development/
construction stage
investment – Supermarket
Solar UK2019
-
IPO of SEIT -18 December 2018
2018
-
Launch of SDCL Efficiency Investments – which developed the assets for the Seed Portfolio
2012
-
Sustainable Development
Capital LLP ("SDCL") is
established2007