Atrato Onsite Energy

Atrato Partners, part of the Atrato Group, is the Investment Adviser to Atrato Onsite Energy Plc (“ROOF”), a closed-ended investment company established to invest in a diversified portfolio of renewable energy assets. Atrato Onsite Energy is the largest owner of commercial rooftop solar in the UK.

Atrato Onsite Energy invests in behind-the-meter Solar PV systems and associated infrastructure.  We help large corporates towards their net zero targets by offering low cost energy through power purchase agreements (PPAs).


We are a long-term investor in behind-the-meter solar PV systems. The generation of green energy directly at the point of use brings economic savings, avoids grid losses, provides traceability of supply, enables the creation of additional renewable energy capacity and reduces greenhouse gas emissions.

The Company Investment Objectives:

Deliver capital growth together with long-term, secure and progressive income for investors with limited exposure to wholesale power prices.


Contribute to the UK’s net zero transition.

Integrate ESG best practice with a focus on adding new renewable energy capacity and onsite clean energy solutions.

Our expert
renewables team

Sustainable investment
for long term value

At Atrato we have targeted responsible investing since our inception, aiming to stand apart from the crowd through not just our values, but our actions towards individuals, society and the environment.


Atrato Partners Limited (“Atrato”) is authorised and regulated by the Financial Conduct Authority (FRN 830613).

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