Partnership with Blackstone Partnership with SeeIt

Blackstone Overview

Blackstone, founded in 1985 and publicly listed since 2007, is a leading global alternative asset manager with approximately $619 billion of assets under management across private equity, real estate, hedge fund and credit investments

Blackstone has invested over $17 billion of private equity capital within the energy industry globally

Onyx is capitalized through two funds managed by The Blackstone Group L.P. (“Blackstone”): Blackstone Energy Partners II, a $4.5 billion energy-focused fund, and Blackstone Capital Partners VI, a $15 billion diversified general purpose private equity fund.

SEEIT Overview

SDCL, founded in 2007, is a UK-based alternative investment firm which manages SDCL Energy Efficiency Income Trust PLC (“SEEIT”), an investment company listed on the London stock exchange (LON: SEIT)

SEEIT has invested over £600 million in energy efficiency and distributed energy generation assets in the UK, Continental Europe and North America

Blackstone, SEEIT and Onyx Relationship

In December of 2020, SEEIT acquired a 50% interest in Onyx from Blackstone, which will continue to hold the remaining 50%

Blackstone & SEEIT provides Onyx with financial resources to capture renewable energy opportunities. Onyx functions as a platform for Blackstone Energy Partners’ development and ownership of renewable energy projects in North America

Applying prudent underwriting and rigorous due diligence practices, Onyx adopts a disciplined approach deploying capital in adherence to Blackstone & SEEIT’s underwriting standards


Corvias Group is a privately-owned company that strives to tackle tough, large-scale challenges through trusted partnerships that put client interests first; focus more on performance than profit; and, produce sustainable long-term solutions. Three business divisions deliver our mission of Living Made Better – Corvias Military Living, Corvias Campus Living and Corvias Solutions. We work on behalf of the U.S. military, colleges and universities, and public sector agencies to develop tailored solutions that remedy some of America’s most challenging deficiencies in infrastructure and facilities caused by chronic underinvestment. All Corvias Group companies are governed by three core principles: Be the best provider of service; be the best place to work; and, generously give back to the communities where we live and serve. Corvias (kor-vee-us) Group is headquartered in East Greenwich, R.I.