Mandatory Photovoltaic System Cost Estimate (Colorado)

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Last modified on December 8, 2009.

Rules Regulations Policies Program

Place Colorado
Name Line Extension and Photovoltaic Cost Evaluation
Incentive Type Line Extension Analysis
Applicable Sector Utility
Active Incentive No

Availability Customer's or potential customer's peak demand must be estimated to be under 25 kW

Service Cost-benefit analysis

Date added to DSIRE 2000-01-01
Last DSIRE Review 2009-07-23

References DSIRE[1]

Authorities (Please contact the if there are any file problems.)

Authority 1: 4 CCR 723-3-3210

Incentive Contact

Contact Name Section Chief
Department Colorado Public Utilities Commission
Address 1560 Broadway, Suite 250
Place Denver, Colorado
Zip/Postal Code 80202
Phone (303) 894-2000


Upon request by a customer or a potential customer, Colorado electric utilities are required to conduct a comparison of a photovoltaic (PV) system to any proposed distribution line extension if the customer or potential customer provides the utility with load data (estimated monthly kilowatt-hour usage) requested by the utility to conduct the comparison, and if the customer's or potential customer's peak demand is estimated to be less than 25 kilowatts (kW). In performing the comparison analysis, the utility must consider line-extension distance, overhead/underground construction, terrain, other variable construction costs, and the probability of additions to the line extension during the life of the open extension period.

If the customer has a ratio of estimated monthly kilowatt-hour (kWh) usage divided by line extension mileage that is less than or equal to 1,000, then the utility must provide the PV system cost comparison at no cost to the customer or potential customer. If the ratio is greater than 1,000, then the customer or potential customer must pay for the cost of the comparison, if the cost comparison is requested by the customer or potential customer.


  1. DSIRE Database of State Incentives for Renewables & Efficiency accessed 2009-12-08