Utility Cost of Capital Studies

2026

Freight Airlines (XLSX 1.30MB)

Passenger Airlines (XLSX 1.63MB)

Electric Industry (XLSX 986.69KB)

Electric Independent Power Producers (XLSX 876.92KB)

Natural Gas Distribution (XLSX 977.15KB)

Pipelines (XLSX 895.84KB)

Railroads (XLSX 905.04KB)

Telecommunications (XLSX 1.10MB)

Wireless (XLSX 1.26MB)

Past years

2025

Freight Airlines (PDF 492.57KB) 

Passenger Airlines (PDF 756.35KB) 

Electric Industry (PDF 505.56KB) 

Electric Independent Power Producers (PDF 458.78KB) 

Natural Gas Distribution (PDF 540.96KB) 

Pipelines (PDF 494.71KB) 

Railroads (PDF 677.25KB) 

Telecommunications (PDF 654.87KB) 

Wireless (PDF 748.51KB) 

2024

Freight Airlines (PDF 495.90KB) 

Passenger Airlines (PDF 827.52KB) 

Electric Industry (PDF 507.66KB) 

Electric Independent Power Producers (PDF 490.80KB) 

Natural Gas Distribution (PDF 524.11KB) 

Pipelines (PDF 494.75KB) 

Railroads (PDF 874.43KB) 

Telecommunications (PDF 1.31MB) 

Wireless (PDF 402.78KB) 

2023

Freight Airlines (PDF 706.61KB) 

Passenger Airlines (PDF 1.40MB) 

Electric Industry (PDF 1.45MB) 

Electric Independent Power Producers (PDF 1.11MB) 

Natural Gas Distribution (PDF 1.24MB) 

Pipelines (PDF 1.27MB) 

Railroads (PDF 1.24MB) 

Telecommunications (PDF 1.05MB) 

Wireless (PDF 1.25MB) 

2022

Freight Airlines (PDF 1.56MB) 

Passenger Airlines (PDF 3.00MB) 

Electric Industry (PDF 1.40MB) 

Electric Independent Power Producers (PDF 1.11MB) 

Natural Gas Distribution (PDF 1.25MB) 

Pipelines (PDF 1.13MB) 

Railroads (PDF 1.18MB) 

Telecommunications (PDF 2.41MB) 

Wireless (PDF 1.22MB) 

2021

Freight Airlines (PDF 1.01MB) 

Passenger Airlines (PDF 1.35MB) 

Electric Industry (PDF 2.02MB) 

Electric Independent Power Producers (PDF 1.23MB) 

Natural Gas Distribution (PDF 1.10MB) 

Pipelines (PDF 1.22MB) 

Railroads (PDF 1.23MB) 

Telecommunications (PDF 1.14MB) 

Wireless (PDF 1.00MB) 

2020

Freight Airlines (PDF 1.06MB) 

Passenger Airlines (PDF 1.19MB) 

Electric Industry (PDF 873.34KB) 

Electric Independent Power Producers (PDF 343.43KB) 

Natural Gas Distribution (PDF 401.62KB) 

Pipelines (PDF 318.33KB) 

Railroads (PDF 1.38MB) 

Telecommunications (PDF 343.08KB) 

Wireless (PDF 1.35MB) 

2019

Freight Airlines (PDF 693.53KB) 

Passenger Airlines (PDF 912.77KB) 

Electric Industry (PDF 156.42KB) 

Electric Independent Power Producers (PDF 423.80KB) 

Natural Gas Distribution (PDF 447.69KB) 

Pipelines (PDF 142.51KB) 

Railroads (PDF 997.27KB) 

Telecommunications (PDF 314.20KB) 

Wireless (PDF 1.03MB) 

2018

Freight Airlines (PDF 233.54KB) 

Passenger Airlines (PDF 265.83KB) 

Electric Industry (PDF 774.32KB) 

Electric Independent Power Producers (PDF 701.05KB) 

Natural Gas Distribution (PDF 557.11KB) 

Pipelines (PDF 952.55KB) 

Railroads (PDF 294.48KB) 

Telecommunications (PDF 295.90KB) 

Wireless (PDF 275.88KB) 

2017

Freight Airlines (PDF 224.34KB) 

Passenger Airlines (PDF 234.79KB) 

Electric Industry (PDF 107.73KB) 

Electric Independent Power Producers (PDF 99.30KB) 

Natural Gas Distribution (PDF 96.16KB) 

Pipelines (PDF 116.91KB) 

Railroads (PDF 264.34KB) 

Telecommunications (PDF 705.48KB) 

Wireless (PDF 278.86KB)