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2026-07-06 10:51:44 -04:00

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LegalText 42 U.S.C. § 17173 Daylighting systems and direct solar light pipe technology us united_states_code code_section 42 THE PUBLIC HEALTH AND WELFARE 152 ENERGY INDEPENDENCE AND SECURITY 17173 42 U.S.C. § 17173 current 119-100 2026-06-26 official https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc42@119-100.zip /us/usc/t42/s17173 data/legal/raw/us/code/title-42/usc42.xml b2306efd83bae732e96a5f57cdde086c2b4582c598e80aea9f47bab812bb1aa6 644321055a08eb1f260a6a3e31ac157fa024756abf612a9fd6857e7e400cf24e 436ab4d1c133cbc89b4422cef564d0ab29f876917cdf1df8b75945950f14e50f 2026-07-04 official
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42 U.S.C. § 17173 - Daylighting systems and direct solar light pipe technology

Text

(a) Establishment The Secretary shall establish a program of research and development to provide assistance in the demonstration and commercial application of direct solar renewable energy sources to provide alternatives to traditional power generation for lighting and illumination, including light pipe technology, and to promote greater energy conservation and improved efficiency. All direct solar renewable energy devices supported under this program shall have the capability to provide measurable data on the amount of kilowatt-hours saved over the traditionally powered light sources they have replaced.

(b) Reporting The Secretary shall transmit to Congress an annual report assessing the measurable data derived from each project in the direct solar renewable energy sources program and the energy savings resulting from its use.

(c) Definitions For purposes of this section—

(1) the term “direct solar renewable energy” means energy from a device that converts sunlight into useable light within a building, tunnel, or other enclosed structure, replacing artificial light generated by a light fixture and doing so without the conversion of the sunlight into another form of energy; and

(2) the term “light pipe” means a device designed to transport visible solar radiation from its collection point to the interior of a building while excluding interior heat gain in the nonheating season.

(d) Authorization of appropriations There are authorized to be appropriated to the Secretary for carrying out this section $3,500,000 for each of the fiscal years 2008 through 2012.

(Pub. L. 110140, title VI, § 605, Dec. 19, 2007, 121 Stat. 1676.)

Notes

Statutory Notes and Related Subsidiaries

Effective DateSection effective on the date that is 1 day after Dec. 19, 2007, see section 1601 of Pub. L. 110140, set out as a note under section 1824 of Title 2, The Congress.