FOR Independent power producers, combined-cycle owners and operating companies
Map the power block and its shared systems
EIA describes combined-cycle generation as connecting combustion turbines with heat recovery and steam generation. Insurance review should start with the actual configuration: which turbines share a steam turbine, cooling system, generator, transformer or control system? A site total can hide the size of a single failure’s consequence.
Separate individual unit values from common equipment and identify whether the block can continue in a reduced-output mode. Ownership can also differ across the plant, gas connection and switchyard. Record the entity carrying each physical interest and the operating agreement that assigns responsibility for maintenance, shutdown decisions and restoration expenditure.
Compare machinery damage with maintenance obligations
Gas turbines, heat-recovery steam generators and steam turbines present different repair pathways. Review equipment-breakdown coverage, property exclusions and the treatment of internal mechanical damage, ensuing damage and defective parts under the actual forms. A long-term service agreement can support recovery but is not a replacement for an insurance analysis.
Read the service provider’s performance commitments, liability cap, repair-versus-replace discretion and access to spare components. Consider a blade failure that damages downstream equipment: the manufacturer’s warranty, the operator’s maintenance record and the insurer’s causation investigation may all be relevant. Preserve evidence before parts are disposed of or returned under an exchange program.
Model partial output and fuel constraints
An interruption model should identify the physical event, affected units, available alternative operating modes and realistic restart sequence. Reduced generation may be more important than complete site shutdown. Ask how partial operation, saved fuel costs, dispatch decisions and power-purchase obligations enter the calculation of an insured business-interruption loss.
Gas supply, cooling water and grid connections create additional dependencies. Review service-interruption and dependent-property provisions rather than assuming a stoppage outside the fence is covered. A contractual obligation to buy replacement electricity or pay availability damages can exceed the income measure in a policy. Keep those obligations visible as separate retained-risk decisions during negotiation.
Present a block-level recovery plan
Provide single-line and process diagrams, machinery schedules, outage history, inspection results and the proposed major-maintenance calendar. Describe control-system vendors, remote access and the division between physical damage and cyber-related interruption. Do not assume a cyber policy fills every equipment-damage exclusion or that a property policy addresses every digital event.
The recovery plan should identify replacement-source options, transportation constraints, lifting capacity and commissioning support. Explain who can authorize emergency spending and notify the insurer when different operating and ownership companies are involved. A block-level plan gives the insurance review a credible basis for values, time estimates and the coordination of multiple interests. Where a shared transformer serves several generators, test the outage scenario against the entire connected block rather than assigning the loss to one turbine. Retain the diagram supporting that assumption.
Operational exposures & coverage review
These review points are educational interpretation, not promises of insurance coverage.
| Exposure | Insurance review |
|---|---|
| Shared steam and cooling systems | Model multiple-unit outage from one damaged component. |
| Service agreement limits | Compare warranty remedies with damage and delay exposure. |
| Partial dispatch | Define lost output, saved costs and contract commitments. |
Questions for your next review
- Which common component can stop the entire block?
- How do service-agreement recoveries interact with insurance?
- Are replacement-power obligations distinct from insured income?
Connect this topic to your program
Bring the operational details above into a coordinated review of your contracts, loss history and actual policy wording. Explore Montridge power & utility contractor insurance services for the related brokerage service.
Source references
Primary-source background informs the technical discussion. Insurance review questions are educational interpretation; a source link does not establish coverage or certify compliance.
Combined-cycle blocks connect combustion turbines, heat-recovery steam generators and steam turbines; configurations vary.
Scope: United States; technical background and applicable federal framework · Source reviewed 2026-11-01
OSHA federal electric-power operations and maintenance scope; applicability depends on the work.
Scope: United States; technical background and applicable federal framework · Source reviewed 2026-11-01
Prepared November 1, 2026. Confirm current requirements and their application to your work before relying on them. Specific insurance outcomes require review of the complete policy and endorsements.