Definition:Advance loss of profits insurance
🏗️ Advance loss of profits insurance — sometimes called delay in start-up (DSU) insurance or advance business interruption insurance — protects a project owner or investor against the financial consequences of a delayed commencement of commercial operations caused by physical damage during the construction or commissioning phase. While traditional business interruption insurance responds once an operational enterprise suffers damage and loses income, advance loss of profits coverage addresses a fundamentally different timing scenario: the insured facility has never yet generated revenue, and the loss materializes as deferred or forfeited future income. The product is a staple of construction and engineering insurance programs worldwide, relevant to power plants, manufacturing facilities, infrastructure projects, and large commercial developments.
⚙️ Coverage is typically written as an extension to a construction all risks or erection all risks policy, meaning a valid claim generally requires an underlying physical damage event covered by the base policy. The indemnity period begins at the originally scheduled date of commercial operation and extends for an agreed duration — often twelve to twenty-four months — reflecting how long the projected revenue stream would be disrupted by the delay. Underwriters assess the project's construction timeline, contractual penalty structures, projected revenues, and the availability of mitigation strategies such as acceleration measures or alternative sourcing. Key policy variables include the time excess (a waiting period analogous to a deductible, expressed in days or weeks), the agreed daily or monthly indemnity amount, and any caps on the maximum indemnity. Claims adjustment can be complex, requiring forensic scheduling analysis to isolate the delay attributable to the insured peril versus pre-existing schedule slippage.
💡 For project sponsors and lenders, advance loss of profits insurance is often a non-negotiable component of project finance arrangements. Banks and multilateral development institutions typically require evidence of DSU coverage before disbursing construction loans, because a prolonged delay without revenue can trigger debt service defaults and jeopardize the entire financing structure. The product also features prominently in public-private partnership concessions and build-operate-transfer schemes, where the concessionaire's revenue window is contractually fixed and every month of delay erodes the project's lifetime economics. Capacity is provided by major commercial and reinsurance markets, with Lloyd's syndicates and large European carriers being particularly active in this specialty line.
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