Lightning-Related Insurance Losses Surge by 146.9% Since 2017

The cost of homeowners insurance claims associated with lightning has surged substantially, increasing by 146.9% since 2017. The average claim has risen from $10,781 to $26,616. This upward trend played a significant role in 2025's $1.65 billion in lightning-related insurance losses, a 59% increase from $1.04 billion in 2024, despite only an 11.6% rise in claim frequency.

According to data from the Insurance Information Institute for National Lightning Safety Awareness Week, the increase in 2025 losses was primarily attributed to the severity rather than the frequency of claims. The total number of claims climbed to 61,986 from 55,537, while the average claim cost jumped 42.8% year-over-year to $26,616 from $18,637, marking a record high for lightning-related claims since 2020.

Sean Kevelighan, CEO of the Triple-I, cited several factors driving these higher costs, including rising reconstruction expenses, inflation, and the increased value of property and technology within homes, alongside litigation issues. Support for this observation comes from LexisNexis Risk Solutions, which reported a seven-year high in claim severity due to catastrophic events, expensive repairs, and severe weather-related losses. Verisk noted replacement costs reached approximately $31 billion, with rebuilding expenses increasing nearly 30% over five years.

Geographical data reveals that more than half of lightning claims were concentrated in the top ten states by volume. Florida led with 5,167 claims, while California and Texas also saw substantial activity. Notably, Texas, despite ranking third in claim count, had the largest insured losses at almost $253 million, with an average claim cost of $60,382—double the national average. This underscores the significant impact geographic exposure can have on loss costs, beyond just frequency data.

The Triple-I emphasized that lightning's true impact on insured property damage might be understated within lightning-specific claim statistics. Fires caused by lightning are often categorized as fire losses rather than lightning losses, potentially skewing the data. Additionally, lightning-induced wildfires, such as those during California's 2020 lightning events, led to widespread destruction not reflected in lightning claims figures.

For property underwriters, lightning's total insured losses—encompassing fire, structural damage, electronics, and wildfire damage—could be significantly higher than the reported $1.65 billion. Lightning also extends its impact beyond direct structural harm, affecting electrical systems, appliances, and smart technologies. Dave Phillips from State Farm highlighted how power surges from lightning can cause damage far from the initial strike. State Farm led as the largest homeowners insurer in the U.S., with $39 billion in direct written premiums in 2025.

Rising lightning-related claim costs occur amid broader challenges in the property and casualty insurance sector, including increased costs for construction materials, labor, and repairs. Despite improved underwriting performance in various lines in 2025, the frequency and rising severity of lightning events remain a challenge for homeowners insurance underwriters. With lightning striking approximately 100 times per second globally, it continues to be a persistent and costly concern in the insurance landscape.