OAR 330-070-0063
Combined Active Solar Space and Domestic Water Heating AEDs

(1)

Combined active solar space and domestic water heating systems use air or water that is moved by pumps or fans to collect, store and distribute the sun’s energy to a dwelling or part of a dwelling.

(2)

Installations of active solar space and domestic water heating systems must comply with all applicable state, county and local codes and regulations, and be verified by a tax-credit technician.

(3)

The estimated first-year energy savings must be based on the following:

(a)

The house design prior to installation of the solar energy equipment, not a base code design or reference design.

(b)

An annual solar utilization calculation method approved by the Director that accounts for the operating temperature of the energy storage and collector system and gives no credit for any insulation measures not directly associated with the solar AED.

(c)

Typical residential occupancy setpoints and operating behavior. Savings will not be granted for consumer behavior options.

(4)

Applicant must provide the following information:

(a)

Complete system design documentation with component list and controls sequence;

(b)

Documentation showing that the system has a minimum Total Solar Resource Fraction (TSRF) of 75 percent;

(c)

Annual estimated savings calculations; and

(d)

Solar equipment specifications and performance test data.

(5)

The department will use data supplied by the applicant to determine if the requirements of OAR 330-070-0022 (Amount of Tax Credit) are met.
[Publications: Publications referenced are available from the agency.]

Source: Rule 330-070-0063 — Combined Active Solar Space and Domestic Water Heating AEDs, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=330-070-0063.

Last Updated

Jun. 8, 2021

Rule 330-070-0063’s source at or​.us