# Utility Audit > Performance\-based audits recover refunds/credits and cut spend for multisite portfolios: electric, gas, water/sewer, waste, telecom \& freight\. Generated by Yoast SEO v28.6, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Natural Gas Bill Auditing](https://www.utilityaudit.com/utility-auditing-services/natural-gas-bill-auditing/) - [Energy Procurement Services](https://www.utilityaudit.com/utility-auditing-services/energy-procurement-services/) - [Thank You](https://www.utilityaudit.com/thank-you/) - [Utility Audit Insights](https://www.utilityaudit.com/utility-audit-insights/) - [Telecom Invoice Auditing](https://www.utilityaudit.com/utility-auditing-services/telecom-invoice-auditing/) ## Posts - [Utility Bill Audits for U\.S\.](https://www.utilityaudit.com/utility-bill-audits-for-u-s/): Standardize multi\-site billing review, document errors, and track corrections across portfolios\. - [Energy Procurement Doesn’t End When the Contract Is Signed](https://www.utilityaudit.com/energy-procurement-doesnt-end-when-the-contract-is-signed/) - [Electric Tariff Mistakes](https://www.utilityaudit.com/electric-tariff-mistakes/): Clear, audit\-ready guidance on tariffs, billing errors, recoveries, and controls—built for finance, facilities, and AP teams managing utility spend\. - [Performance\-Based Utility Audits](https://www.utilityaudit.com/performance-based-utility-audits/): Understand contingency audit fees, savings definitions, and tracking from findings to credits\. ## Categories - [Audit Process \& ROI](https://www.utilityaudit.com/category/audit-process-roi/) - [Electric Billing Audits](https://www.utilityaudit.com/category/electric-billing-audits/) - [Energy \+ Reporting Services](https://www.utilityaudit.com/category/energy-reporting-services/) ## Tags - [Invoice Validation](https://www.utilityaudit.com/tag/invoice-validation/) - [Tariff \& Rate Review](https://www.utilityaudit.com/tag/tariff-rate-review/) - [Multi\-Site Portfolios](https://www.utilityaudit.com/tag/multi-site-portfolios/) - [Audit Reporting](https://www.utilityaudit.com/tag/audit-reporting/) - [Controls \& Governance](https://www.utilityaudit.com/tag/controls-governance/) ## Optional - [Sitemap index](https://www.utilityaudit.com/sitemap_index.xml)