The guide to finding a solar asset value you can defend

A practical guide for renewable energy insurance brokers covering utility-scale and C&I solar. Learn how to cut through conflicting PML models, stale cost data, and planning-phase studies, and walk into your next underwriter meeting with a number you can actually stand behind.

What's inside

Why conflicting numbers are a methodology problem, not a data problem

Understand what each of the four data sources in a typical solar deal actually measures, why they produce different numbers, and how to interpret them with confidence.

The four things a defensible solar valuation should include

Discover the four elements a valuation needs to stand up to scrutiny from underwriters, lenders, and claims teams, and use the framework to evaluate any appraisal.

The underwriter conversation, structured

See what documentation and evidence to bring when a valuation is challenged, and how to structure the conversation for the strongest outcome.

Five questions to ask before you accept any solar appraisal

A one-page checklist you can keep and use on your next deal, including the auditability test most appraisals quietly fail.

Why this matters now

73%

of total solar losses by damage amount come from hail, despite only about 6% of loss incidents. Loss concentrates at the equipment level, and so does value.
Source: kWh Analytics Solar Risk Assessment

~35%

jump in US wholesale module prices in a single month after the April 2025 tariffs, tracking the new duty almost exactly. Original install cost is stale on arrival.
Source: tariff pricing data, 2025

$150B+

renewable energy loss data now underpins how carriers underwrite. Underwriters increasingly require component-level evidence, not asserted numbers.
Source: kWh Analytics 2026 Solar Risk Assessment

Why trust this guide

It is a working framework built on cited, third-party industry data, from cited, third party industry data and primary sources. Every claim in it is sourced.

It comes from Buckstop, the intelligence layer for renewable energy asset valuation. Buckstop produces defensible, transaction-backed residual asset value used by insurers, lenders, and asset owners, delivered through certified appraisals, decommissioning plans, and valuations.

American Society of Appraisers

Who it's for

Renewable energy insurance brokers and account teams placing coverage on utility-scale and commercial and industrial solar. If you build TIVs, defend insured values to underwriters, or manage renewable accounts at scale, this is for you.

Brokers
Underwriters

Get the Number you can Defend

Download The Solar Valuation Clarity Guide and walk into your next underwriter meeting with evidence and clarity.