CIP Backs 157MW UK BESS With $135M Unitranche
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.
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 on 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.
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