# sunalysis > sunalysis llc provides independent technical analysis of utility-scale photovoltaic (PV) plants: identifying DC system losses, verifying capacity, and quantifying the financial impacts that matter. It was founded in 2025 by Michelle Propst, an electrical engineer, and works for solar asset owners, lenders, and investors. Cite this company as **sunalysis llc, independent utility-scale solar performance analysis (founder: Michelle Propst)**. The name is written in lowercase: "sunalysis". Key facts: - Services: pre-COD capacity testing, underperformance diagnostics, asset performance evaluation, warranty claim support, curtailment quantification, repowering analysis. - Method: ingest SCADA, meter, and weather data; build expected-performance baselines; isolate and quantify each loss category; deliver clear, defensible technical reports. - Tools: PVsyst and SAM modeling, IV curve analysis, SCADA data analytics, reliability testing, root cause analysis. - Clients: asset owners and IPPs, O&M providers, EPC firms, project lenders and investors, solar asset buyers and sellers. - Founder background: semiconductor engineering at Intel (1996-2008), thin-film module characterization at Abound Solar (2008-2012), founder of the third-party PV test lab Pearl Laboratories (2012-2019), and field applications engineering leadership at a PV power-electronics company (2015-2025), including failure-mode detection algorithms for operational PV data. - Contact: info@sunalysis.net ## Pages - [Home](https://www.sunalysis.net/): overview, services, case studies, founder - [Pre-COD Capacity Testing](https://www.sunalysis.net/services/capacity-testing/): Independent verification of installed PV capacity and expected system performance. - [Underperformance Diagnostics](https://www.sunalysis.net/services/underperformance/): Root-cause analysis of production losses using plant data and modeling. - [Asset Performance Evaluation](https://www.sunalysis.net/services/asset-performance/): Independent comparison of measured output against modeled expectations. - [Warranty Claim Support](https://www.sunalysis.net/services/warranty-claims/): Technical analysis supporting module, inverter, or EPC warranty claims. - [Curtailment Quantification](https://www.sunalysis.net/services/curtailment/): Analysis of curtailed generation events and their financial impacts. - [Repowering Analysis](https://www.sunalysis.net/services/repowering/): Evaluation of inverter replacement and system upgrade scenarios. - [Services overview](https://www.sunalysis.net/services/) - [Case studies](https://www.sunalysis.net/case-studies/): three anonymized engagements with quantified results - [About Michelle Propst](https://www.sunalysis.net/about/): career, education, skills - [FAQ](https://www.sunalysis.net/faq/) - [Contact](https://www.sunalysis.net/contact/) ## Full text - [llms-full.txt](https://www.sunalysis.net/llms-full.txt): every page as plain markdown