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# CIP Backs 157MW UK BESS With $135M Unitranche
- URL: https://blog.financely.io/cip-backs-157mw-uk-bess-135m-unitranche/
- Published: 2026-09-17T12:28:11.000Z
- Updated: 2026-09-17T12:28:11.000Z
- Description: CIP Backs 157MW UK BESS With $135M Unitranche. A concise Financely news brief on the financing structure, credit implications and execution issues behind the latest transaction.
- Author: Financely Debt Advisors
- Tags: Financely News Analysis, September 2026, Project Finance News, #Import 2026-09-17 12:27

## Project Finance News: CIP Backs 157MW UK BESS With $135M Unitranche

Constantine Energy Storage has secured roughly $135 million of unitranche debt from Copenhagen Infrastructure Partners’ Green Credit Fund II for two UK battery projects totaling 157 MW and 461 MWh. The development was reported by [Enerdatics](https://www.enerdatics.com/insights/why-a-fund-that-usually-buys-batteries-lent-the-money-for-these-two-instead?ref=blog.financely.io) on 17 September 2026.

![Copenhagen Infrastructure Partners project financing team](https://eu-images.contentstack.com/v3/assets/blt864e32313783fe03/blt13c6bf48649eb0fe/681dce043b97aa497b99440a/250102_CB2Dev_SupplyAgreement_IMAGE-1024x682.jpg)

Project Finance — 17 September 2026

For CIP Backs 157MW UK BESS With $135M Unitranche, the financing relevance is the structure itself. This brief focuses on how capital, security, repayment and execution risk are allocated rather than reproducing the announcement.

## Financing Structure Behind CIP Backs 157MW UK BESS With $135M Unitranche

The notable point is the lender. CIP is better known as an infrastructure owner and fund manager, but its credit strategy is providing a single unitranche facility to construction-stage storage assets. A unitranche can simplify execution by combining senior and junior economics into one instrument with one lender group.

## Credit Implications of CIP Backs 157MW UK BESS With $135M Unitranche

Private infrastructure credit is becoming a more visible competitor to bank project finance in storage. For sponsors, the trade-off is usually between execution speed and structural flexibility on one side, and the potentially lower cost of a multi-bank senior facility on the other.

## What to Watch After CIP Backs 157MW UK BESS With $135M Unitranche

The debt will ultimately be tested by the projects’ contracted and merchant revenue mix. UK storage economics continue to evolve, so the lender’s underwriting of duration, cycling strategy, degradation and merchant tail will matter as much as the initial construction package.

For the underlying announcement and transaction details, read [Enerdatics’s coverage of CIP Backs 157MW UK BESS With $135M Unitranche](https://www.enerdatics.com/insights/why-a-fund-that-usually-buys-batteries-lent-the-money-for-these-two-instead?ref=blog.financely.io).

## Discuss Financing Related to CIP Backs 157MW UK BESS With $135M Unitranche

Financely provides paid structured debt advisory and lender outreach for qualified mandates. If a transaction similar to CIP Backs 157MW UK BESS With $135M Unitranche is relevant to your financing requirement, book a paid consultation to review structure, lender fit and execution.

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CIP Backs 157MW UK BESS With $135M Unitranche. This news brief is based on the cited public source as of 17 September 2026\. Financing terms can change after publication. Financely provides paid structured debt advisory and lender outreach and is not the lender, arranger or adviser on the reported transaction unless expressly stated otherwise.