The financing led by Investec will be used for the recapitalization of existing assets and the launch of new projects.
Boston, November 10, 2026 / PRNewswire / – On-site energy solutions provider Calibrant Energy announced today that it has completed a $145 million debt financing arrangement led by Investec for solar and battery storage projects in multiple U.S. power markets. The project portfolio includes a 120 megawatt-hour ( MWh ) battery storage system ( BESS ) that serves a hyperscale data center customer in the PJM region. Citibank, Liberty Bank, and Siemens Financial Services also participated in this financing.
As PJM and federal regulatory agencies continue to study how large electricity consumers can connect to the power grid, data center operators are seeking faster ways to get online. Calibrant states that its engineered battery energy storage system solutions enable high-energy-consuming facilities to better control their power consumption methods and timing. This flexibility helps to speed up the grid connection process and reduce the high costs of grid infrastructure upgrades that would otherwise be passed on to other electricity users.
Calibrant Energy CEO Phil Martin stated: "Data center operators choose on-site energy storage because it is a fast, reliable, and effective method that allows for faster deployment and operation as responsible participants in the power grid. With the completion of this financing and the initiation of a project for an ultra-large-scale data center, Calibrant continues to prove that large-load flexibility is not only feasible but is now also commercially viable."
Calibrant indicates that its turnkey, zero-capital-expenditure solution has paved the way for the world's largest electricity consumers to obtain the reliable power needed for business growth.
Investec, Co-Director of North American Energy and Infrastructure, Fred Petit said: "We are very pleased to support Calibrant and Macquarie in this transaction. We value the opportunity to collaborate with experienced investors and operators and provide financing that will help advance energy transition as well as meet the critical infrastructure needs of the United States' growing electricity demand."
Calibrant Energy Currently, there is over 5.9 gigawatt-hours (GWh) of battery energy storage capacity that is in operation, under construction, or has exclusive development agreements, including other sites with the same large-scale customer. The company stated that this growth reflects an increasing demand from large electricity consumers for on-site energy solutions that can not only speed up the acquisition of power but also alleviate the pressure on the power grid. It also indicates that customers prefer to choose reliable and experienced partners to develop, own, and operate these solutions, as well as to deliver the power results necessary for their business planning.
About Calibrant Energy
Calibrant Energy is a provider of on-site energy solutions for large electricity consumers. The company states that its turnkey, zero-capital-expenditure solutions provide the necessary power for the world's largest electricity consumers to achieve business growth, while also making power grids more reliable, affordable, and sustainable. As a trusted on-site energy partner for many large global enterprises, Calibrant currently has over 2.2 gigawatts (GW)/5.9 gigawatt-hours (GWh) of projects that are in operation, under construction, or have exclusive development agreements. Calibrant is supported by Macquarie Asset Management. For more information, please visit: www.calibrantenergy.com.
About Investec
Investec Bank and plc (referred to as “IBP”) are subsidiaries of Investec and plc. Investec and plc are FTSE 100 listed companies that, under a dual-listing structure, hold most of the business of the Investec group outside Southern Africa. IBP collaborates with private, institutional, and corporate clients to provide banking and investment services in the United Kingdom, Europe, and other countries.
IBP also provides wealth management services through strategic collaboration with Rathbones Group. IBP has been operating in the UK since 1992. As part of the Investec group, IBP is a mission-driven organization committed to its core purpose of creating lasting value. This means that it always strives to create long-term value for all stakeholders and to make meaningful contributions to individuals, communities, and the planet. For more information, please visit: www.investec.com.
