Energy Audits

An energy audit gives you a clear picture into how your building uses energy. It’s the first step toward making informed decisions that cut costs, boost performance, and support long-term operational goals.

Utility Sales Tax Exemption: Predominant Use Study

Utility Sales Tax Exemption: Predominant Use Study

Are you paying sales tax on utilities used for tax-exempt purposes? What Are Utility Sales … Read more

Investment Grade Audit (IGA) Services

Investment Grade Audit (IGA) Services

Walker Blue specializes in providing comprehensive Investment Grade Audits (IGAs) designed to deliver accurate, actionable, … Read more

Measurement & Verification (M&V) Services

Measurement & Verification (M&V) Services

Walker Blue provides industry-leading Measurement and Verification (M&V) services to ensure your energy conservation measures … Read more

Retrocommissioning (RCx) Services

Retrocommissioning (RCx) Services

Walker Blue offers comprehensive retrocommissioning services designed to optimize your facility’s energy performance by improving … Read more

Latest Blogs & News

Walker Blue Supports Congressional Effort to Extend 179D and 45L Energy-Efficiency Incentives

179D, 179D Updates, 45L Credit, Blog, EPAct 179D IRS Tax Deduction, In the News, News, One Big Beautiful Bill, Section 179 Tax Deduction | June 30, 2026

Campus geothermal energy system showing underground heat exchange loops serving multiple educational buildings, illustrating how district and campus geothermal projects can support sustainability goals and potentially qualify for federal clean energy tax incentives.

Can District and Campus Geothermal Projects Qualify for the Federal ITC?

Campus Geothermal, District Geothermal Systems, Geothermal Tax Credit, ITC | June 15, 2026

Court Vacates IRS Notice 2025-42: What Solar Developers Need to Know Before July 4

Court Vacates IRS Notice 2025-42: Five Percent Safe Harbor Restored for Now

Blog, In the News, News, Safe Harbor | June 7, 2026

Geothermal Central plant

Case Study: LEED EA Energy Modeling for a $90M Geothermal Central Plant: University of Louisville Speed School

Blog, Case Study, Energy Engineering, Energy Modeling, LEED | May 26, 2026

Walker Blue Applauds Rep. Brian Fitzpatrick’s Introduction of the American Energy Dominance Act

179D, 179D Updates, News, Section 179 Tax Deduction | April 27, 2026

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