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The power of data: using WTW’s Renewable Energy Loss Database

WTW Renewable Energy Market Review 2023

January 19, 2023

In this article from the 2023 Renewable Energy Market Review, we discuss the value of claims data in formulating renewable energy risk strategies.
Environmental Risks
Climate Risk and Resilience


In a world of information overload, there is a real need and requirement to be able to base clear and concise decision making on accurate and relevant data. It is too easy to read reviews, check social media platforms and rely on hearsay to influence decision making processes; while this is not certainly all bad, there remains an ongoing realisation that 'real' data remains one of the main drivers of business growth and development. From an insurance perspective, how does relevant data influence the buyer and the seller in the transactional process?

The renewable energy industry continues to grow at a staggering rate, as countries remain committed to delivering on their environmental promises. Risk profile and risk engineering processes provide clear and demonstrable data on which to make key business decisions, but there also remains a strong emphasis on loss trends and loss ratios when assessing and profiling a risk.

The value of claims data

Accurate and detailed claims data can provide not only a snapshot of renewable energy loss frequency but also where, how, and why losses occur. This claims data can then be used as a key tool to help structure insurance programmes and provide meaningful insights to EML studies.

The goal is to turn data into information, and information into insight.”

Carly Fiorina | ex CEO of Hewlett-Packard

Detailed data obtained through the claims investigation and adjustment process enhances risk mitigation considerations: understanding causes of loss, the implementation and/or upgrading of lightning protection systems or improving the logistical management of spare parts and consumables. Conversely, insurers may look at similar data and loss trends to determine deductible levels or to apply more restrictive cover or warranties within insurance programmes.

Similarly, identifying Onshore Wind losses by cause gives the ability to evaluate loss trends, irrespective of technologies. This is of particular interest when looking at Natural Catastrophe (Nat Cat) or weather-related causes.

Nat Cat claims such as those outlined by WTW’s Renewable Energy Loss Database (RELD) are unavoidable, but it’s possible to control the impact they have on a business. By making informed decisions about limits and deductibles, companies can ensure that they have adequate cover and, at the same time, avoid ceding too much money to insurers. And through a process called Risk Optimisation, companies can make better decisions as to their risk retention and insurance strategy.

Ultimately, having access to clear and concise claims data can help to influence business decisions around technology, suppliers, and design. It can also help shape the discussions around the structure of insurance programmes, the level of cover and the ability to challenge terms offered by insurers.

To read more, download the full article, below.

Download the full article


WTW offers insurance-related services through its appropriately licensed and authorised companies in each country in which WTW operates. For further authorisation and regulatory details about our WTW legal entities, operating in your country, please refer to our WTW website. It is a regulatory requirement for us to consider our local licensing requirements.


U.S. Head of Power and Utility Broking, Natural Resources

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