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# What Risks Can Solar Project Insurance Cover?
- URL: https://blog.financely.io/what-risks-can-solar-project-insurance-cover/
- Published: 2026-09-16T22:43:17.000Z
- Updated: 2026-09-16T22:43:17.000Z
- Description: A guide to solar project insurance covering construction, hail, equipment failure, business interruption, liability, weather and other project risks.
- Author: Financely Debt Advisors

Solar Project Finance Guide 

## What Risks Can Solar Project Insurance Cover?

Solar projects face different risks during development, construction and operation. Insurance can transfer many physical, financial and liability exposures, but it does not make every project risk insurable. The insurance package has to be built around the asset, contracts, location and financing structure. 

Insurance is part of the bankability package for a financed solar project. Construction lenders, term lenders, tax equity investors and other capital providers generally want evidence that physical assets, project revenues and third-party exposures are protected against defined events. 

The precise program varies by jurisdiction and project, but renewable-energy insurance commonly includes construction all risks, delay in start-up, cargo, operational property damage, machinery breakdown, business interruption and liability coverage. [Marsh's renewable-energy insurance overview](https://www.marsh.com/en/industries/energy-and-power/insights/renewable-energy-projects-risk-insurance-issues.html?ref=blog.financely.io)provides a useful breakdown of the construction and operating-phase coverages commonly encountered in project finance. 

### What Solar Project Risks Are Insurable?

| Risk                                                | Typical Coverage                             | Project Phase              |
| --------------------------------------------------- | -------------------------------------------- | -------------------------- |
| Physical construction damage                        | Construction All Risks / Builder's Risk      | Construction               |
| Delayed commercial operation after insured damage   | Delay in Start-Up / Advanced Loss of Profits | Construction               |
| Panels or equipment damaged in transit              | Marine Cargo / Inland Transit                | Procurement                |
| Hail, wind, fire, flood and similar physical events | Operational All Risks / Property Insurance   | Operation                  |
| Transformer, inverter or electrical breakdown       | Machinery / Equipment Breakdown              | Operation                  |
| Lost revenue following covered physical damage      | Business Interruption                        | Operation                  |
| Third-party bodily injury or property damage        | General / Public Liability                   | Construction and Operation |
| Professional design errors                          | Professional Indemnity / Errors & Omissions  | Design and Construction    |
| Pollution incidents                                 | Environmental / Pollution Liability          | Construction and Operation |
| Abnormally low solar irradiation                    | Parametric Weather / Solar Irradiation Cover | Operation                  |
| Cyber incidents                                     | Cyber Insurance                              | Operation                  |

### 1\. Construction Damage

Construction All Risks, often referred to as CAR or builder's risk, protects the physical works while the solar project is being built. 

Depending on the policy wording, covered property can include modules, trackers, mounting structures, transformers, cabling, substations, temporary works and other materials forming part of the project. 

Losses can arise from events such as: 

- Fire
- Storm damage
- Flood
- Accidental construction damage
- Collapse
- Theft
- Installation accidents
- Damage during testing and commissioning

[Allianz Commercial](https://commercial.allianz.com/solutions/energy-insurance.html?ref=blog.financely.io)describes Contractors All Risks and Erection All Risks as standard energy-sector insurance products, often paired with third-party liability and delay-in-start-up protection. 

### 2\. Delay in Start-Up

Physical damage during construction can cause a loss much larger than the repair bill. 

If a transformer is damaged shortly before scheduled commercial operation and replacement takes several months, the project may lose electricity revenue while continuing to incur debt interest, fixed operating costs and other expenses. 

Delay in Start-Up insurance, also called DSU or Advanced Loss of Profits, is designed to protect against specified financial losses caused by a construction delay resulting from an insured physical event. 

**Coverage distinction:** DSU generally does not cover every reason a project is late. A permitting delay, financing problem or ordinary contractor delay will not automatically become an insured event. The delay normally has to result from physical damage covered under the underlying construction policy. 

### 3\. Equipment Damaged During Transport

Solar equipment may travel thousands of kilometers between the manufacturer and project site. Modules, transformers and other components can be damaged during loading, ocean transit, inland transportation, unloading or temporary storage. 

Marine cargo or inland-transit insurance can cover physical loss or damage to project equipment while it is being transported. 

For critical equipment with long replacement lead times, cargo insurance can also be combined with marine delay-in-start-up coverage. This matters when losing one transformer or other critical component can delay the entire project's commercial operation. 

### 4\. Hail Damage

Hail is one of the most important physical-loss exposures for utility-scale solar. 

[Allianz's solar risk analysis](https://commercial.allianz.com/news-and-insights/reports/emerging-risk-solar-power.html?ref=blog.financely.io)identifies hail as a major source of severe solar insurance losses. Large hail can crack module glass, damage cells and affect thousands of modules during one concentrated storm event. 

Solar projects in high-hail regions may therefore face larger deductibles, sublimits or specific risk-engineering requirements. Insurers may review: 

- Module hail ratings
- Tracker stow strategy
- Weather-monitoring systems
- Historical hail exposure
- Module orientation
- Emergency operating procedures

Specialized parametric hail products may also be available. [Swiss Re Corporate Solutions](https://corporatesolutions.swissre.com/insurance-solutions/renewable-energy-insurance.html?ref=blog.financely.io)lists parametric hail insurance among the specialized risk-transfer solutions available for renewable-energy projects. 

### 5\. Windstorm and Tornado Damage

High winds can damage modules, trackers, racking, electrical equipment and balance-of-plant infrastructure. Components may detach and become windborne debris, while tracker or mounting failures can spread damage across an array. 

Operational property insurance can cover insured physical damage caused by windstorms and similar natural hazards, subject to deductibles, exclusions and catastrophe limits. 

Site-specific natural-catastrophe modeling is therefore relevant before financing. A project located in a wind, hail, wildfire or flood-prone area may remain financeable, but the insurance cost and deductible structure need to be reflected in the project's financial model. 

### 6\. Flood and Water Damage

Flooding can damage electrical systems and transformers, undermine foundations, erode access roads and compromise structural supports. 

Flood risk can also produce lengthy outages where access to the site or damaged equipment remains restricted after the original event. 

Flood insurance terms depend heavily on the project's location, elevation, drainage design and modeled catastrophe exposure. 

### 7\. Wildfire

Utility-scale solar projects in wildfire-exposed areas can suffer damage to modules, cabling, substations, transformers and communication infrastructure. 

Wildfire can also interrupt access and transmission even where the main generating equipment survives. 

Property insurance may cover wildfire damage, subject to the policy terms. Underwriters may examine vegetation management, fire breaks, emergency access, cable design and the site's surrounding vegetation. 

### 8\. Fire

Solar installations introduce electrical equipment operating continuously under load. Fire can originate from electrical arcing, connectors, inverters, transformers, cabling, installation defects or external events. 

Property insurance can respond to physical fire damage, while business interruption insurance may address insured revenue losses arising from the resulting outage. 

Transformer fires are particularly important because replacement equipment can have long procurement lead times. 

### 9\. Transformer and Inverter Breakdown

A standard property policy does not necessarily cover every mechanical or electrical failure. 

Equipment breakdown insurance addresses failures affecting machinery and electrical equipment such as transformers, inverters, motors, switchgear and related systems. 

[Munich Re's HSB guidance on solar equipment breakdown](https://www.munichre.com/hsbcanada/en/knowledge-centre/mini-webinars/why-do-i-need-equipment-breakdown-coverage-for-my-solar-pv-system.html?ref=blog.financely.io)notes that conventional property policies commonly exclude electrical and mechanical breakdown and that manufacturer warranties do not necessarily cover labor, consequential damage or business-interruption losses. 

### 10\. Business Interruption

The repair cost after a loss is only one component of the financial impact. 

A project that cannot export electricity may lose: 

- Electricity sales
- Capacity or availability payments
- Renewable-energy certificate revenue
- Other contracted operating revenue

Business interruption insurance can protect defined lost income and continuing expenses following an insured physical loss. 

This connection is important: conventional business interruption insurance usually requires an underlying covered physical event. It is not simply a guarantee that the project's forecast revenue will be achieved. 

### 11\. Theft and Vandalism

Solar facilities contain modules, copper cable, batteries and other equipment with resale value. Remote projects can be particularly exposed. 

Theft and vandalism can be included within property or construction insurance, depending on the policy. 

Insurers may nevertheless require reasonable physical-security measures such as fencing, controlled access, surveillance, lighting and remote monitoring. 

### 12\. Third-Party Liability

Solar projects can create liability exposures even when the project assets themselves are not damaged. 

General or public liability insurance can cover qualifying claims involving: 

- Bodily injury to third parties
- Damage to neighboring property
- Contractor or visitor incidents
- Certain legal defense costs

Liability requirements are often specified in leases, EPC contracts, O&M agreements and financing documents. 

### 13\. Design and Engineering Errors

Poor electrical design, foundation engineering, drainage design or structural calculations can result in expensive losses. 

Professional indemnity or errors-and-omissions insurance is normally carried by the relevant engineer, architect, consultant or design contractor to address qualifying claims arising from professional negligence. 

This should not be confused with physical-damage insurance. Project documents need to allocate responsibility between warranties, professional indemnity coverage and the project's own construction policy. 

### 14\. Environmental Liability

Solar has a relatively different environmental-risk profile from conventional power generation, but projects can still face pollution exposures. 

Potential events include: 

- Transformer oil releases
- Fuel spills during construction
- Contaminated soil discovered at the project site
- Pollution caused by contractors
- Battery-related environmental incidents on solar-plus-storage sites

Environmental liability and contractors pollution liability policies can address specified remediation costs, third-party claims and related exposures. 

### 15\. Low Solar Irradiation

Ordinary property insurance generally does not compensate a solar owner simply because a year is cloudier than forecast. 

That risk can instead be addressed through specialized weather or parametric products. 

[Swiss Re describes solar irradiation insurance](https://www.swissre.com/risk-knowledge/mitigating-climate-risk/parametric-insurance-accelerate-solar-investment.html?ref=blog.financely.io)that uses independently measured irradiation levels as the trigger for payment when sunlight falls below predefined thresholds. 

[Munich Re also identifies solar irradiation](https://www.munichre.com/en/risks/weather-risks-can-significantly-affect-your-profits.hsb.html?ref=blog.financely.io)as a financial risk for solar producers and describes weather-risk solutions designed to smooth revenue volatility. 

**Parametric insurance works differently:** the payout is based on a predefined measurable trigger rather than the conventional process of proving the exact physical loss suffered by the project. 

### 16\. Cyber Risk

Modern solar farms use SCADA systems, remote monitoring, inverters, data networks and communications infrastructure. A cyber incident can interrupt operations, corrupt data or compromise control systems. 

Cyber insurance can cover specified exposures such as incident response, data recovery, business interruption, cyber liability and certain extortion-related costs, subject to policy terms. 

Cyber coverage should be reviewed together with the project's operational technology architecture because standard corporate cyber policies may not automatically cover every operational-technology event. 

### 17\. Battery Storage Risks

Solar projects increasingly include battery energy storage systems. That introduces additional exposures, including thermal runaway, fire, explosion, equipment breakdown and business interruption. 

Storage changes the insurance analysis because a loss involving battery cells can affect both the BESS and adjacent solar equipment. 

Insurers may review battery chemistry, spacing, fire detection, suppression systems, thermal management, commissioning procedures, manufacturer experience and emergency response plans. 

### Insurance During Construction Versus Operation

Construction 

#### Construction All Risks

Physical damage to the works while the facility is being constructed, installed, tested and commissioned. 

Construction 

#### Delay in Start-Up

Defined financial losses caused by project delay following insured physical damage. 

Procurement 

#### Marine Cargo

Physical damage to modules, transformers and other equipment while in transit. 

Operation 

#### Operational All Risks

Physical damage to operating project assets from covered events. 

Operation 

#### Equipment Breakdown

Mechanical and electrical failures that may otherwise fall outside standard property coverage. 

Operation 

#### Business Interruption

Lost income and qualifying continuing expenses resulting from an insured physical event. 

### What Solar Project Insurance Usually Does Not Cover

Insurance should not be confused with a guarantee of project economics. Several important project-finance risks remain with the sponsor, lenders, contractors or other counterparties. 

| Risk                                        | Why It May Not Be Conventionally Insurable                 | Typical Mitigation                                             |
| ------------------------------------------- | ---------------------------------------------------------- | -------------------------------------------------------------- |
| Electricity price decline                   | Ordinary market risk                                       | PPA, hedge or merchant-price strategy                          |
| Tax law changes                             | Regulatory or legislative risk                             | Tax structuring and transaction documentation                  |
| Loss of permit                              | Often regulatory rather than accidental physical loss      | Development diligence and compliance                           |
| Ordinary degradation                        | Expected wear rather than fortuitous loss                  | OEM warranty and performance assumptions                       |
| Poor EPC performance without insured damage | Contract performance risk                                  | EPC guarantees, bonds and liquidated damages                   |
| Equipment manufacturing defect              | May fall primarily under OEM warranty or policy exclusions | Warranty plus carefully structured insurance                   |
| Lower-than-forecast irradiation             | No physical damage has occurred                            | Parametric weather insurance where available                   |
| Offtaker default                            | Credit risk rather than property risk                      | Credit enhancement, guarantees or specialized credit insurance |

Marsh notes that regulatory risks such as permit problems or the removal of tax incentives can materially affect a renewable-energy project's economics but are generally not addressed by conventional property insurance. 

### Insurance Does Not Replace EPC Guarantees

Project sponsors should avoid treating insurance as a substitute for contractual risk allocation. 

The EPC contractor should remain responsible for defined construction obligations. Equipment suppliers should stand behind contractual warranties. The O&M provider should remain responsible for its service obligations. 

Insurance is normally designed to absorb defined fortuitous losses, not to excuse counterparties from performing their contracts. 

A bankable project therefore combines: 

- Insurance
- Manufacturer warranties
- EPC performance guarantees
- Liquidated damages
- O&M obligations
- Parent guarantees where appropriate
- Performance bonds or other security

### How Lenders Review Solar Insurance

For project-financed solar assets, lenders normally review more than the name of the insurance policy. 

Their insurance adviser may examine: 

- Policy limits
- Deductibles
- Natural-catastrophe sublimits
- Business interruption indemnity period
- Delay-in-start-up limits
- Insurer credit quality
- Named insureds
- Additional insured provisions
- Lender loss-payee clauses
- Notice of cancellation
- Waiver of subrogation provisions
- Reinstatement provisions
- Policy exclusions

Marsh notes that lenders commonly require project companies to maintain specified insurance provisions throughout the financing term and may appoint an independent insurance adviser to review the program. 

For sponsors seeking project debt, insurance should therefore be developed alongside the financing documents rather than left until closing. Financely covers the broader financing process through its [solar project financing advisory](https://www.financely-group.com/solar-project-financing-advisory-placement-service?ref=blog.financely.io)and [project finance advisory](https://www.financely-group.com/project-finance-debt-and-capital-advisory-services?ref=blog.financely.io)work. 

### Insurance Costs Belong in the Financial Model

Insurance premiums, deductibles and uninsured retention can affect debt sizing and project returns. 

A financial model should therefore incorporate realistic assumptions for: 

- Construction insurance premiums
- Annual operational premiums
- Natural-catastrophe deductibles
- Business interruption coverage
- Insurance escalation
- Expected uninsured losses
- Required reserve amounts

A project in a high-hail or wildfire area may face substantially different economics from an otherwise identical asset in a lower-risk location. 

### Solar Project Insurance FAQ

What insurance does a solar farm normally need? 

A utility-scale solar project will commonly use construction all risks, delay in start-up, cargo insurance, operational property insurance, equipment breakdown, business interruption and liability coverage. Additional products may be required depending on location, financing and project characteristics. 

Does solar insurance cover hail damage? 

It can. Physical damage from hail may be covered under a project's property or all-risks policy, subject to exclusions, deductibles and catastrophe sublimits. High-hail areas can attract materially different insurance terms. 

Does solar insurance cover lost electricity revenue? 

Business interruption or delay-in-start-up coverage can protect defined lost revenue following an insured event. Conventional coverage generally does not compensate a project simply because power prices, production or profitability fall below forecast. 

Can insurance cover low solar irradiation? 

Specialized parametric or weather-risk insurance can be structured around solar irradiation falling below a defined threshold. This is different from conventional property insurance because no physical damage is required. 

Does insurance cover equipment failure? 

Equipment breakdown policies can cover specified mechanical or electrical failures affecting items such as transformers and inverters. Standard property insurance may exclude some forms of mechanical or electrical breakdown. 

Does a manufacturer's warranty replace insurance? 

No. A manufacturer warranty typically addresses defined defects in specific equipment. It may not cover consequential property damage, labor, lost project revenue or other exposures covered by insurance. 

Can insurance cover a solar project's offtaker default? 

Ordinary property insurance does not cover PPA counterparty default. Specialized credit insurance, guarantees or other forms of credit enhancement may be available depending on the transaction and counterparty. 

Why do project finance lenders care about insurance? 

The project's physical assets and operating cash flow normally support repayment of the debt. Lenders therefore require protection against events that could destroy collateral or interrupt project revenue for an extended period. 

When should insurance be arranged for a solar project? 

Insurance planning should begin before financial close and ideally while material project contracts are still being negotiated. This allows the EPC contract, financing documents and insurance program to use compatible risk-allocation provisions. 

### Financing a Solar Project?

Financely works with qualified project sponsors on capital-stack structuring, financial-model review, lender outreach, financing negotiations and closing coordination for solar and other energy projects. 

[Request a Quote](https://www.financely-group.com/requestaquote?ref=blog.financely.io) 

This guide is for general informational purposes only. Insurance availability, exclusions, deductibles, limits and lender requirements vary by insurer, jurisdiction and project. Coverage should be reviewed with qualified insurance, legal and project-finance advisers.