HomeMy WebLinkAboutItem 14 - Photovoltaic Kilowatt System ITEM
MEMO TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: BRUNO RUMBELOW, CITY MANAGER?j51—
MEETING DATE: SEPTEMBER 21 , 2010
SUBJECT: CONSIDER APPROVAL FOR THE PURCHASE OF A
PHOTOVOLTAIC KILOWATT SYSTEM FOR WATER
TREATMENT DEPARTMENT UNDER AN ENERGY
CONSERVATION BLOCK GRANT
RECOMMENDATION-
City Council to consider approval. for the purchase of a Photovoltaic kilowatt system for
the Water Treatment Department under an Energy Conservation Block grant from the
Department of Energy
FUNDING SOURCE:
Funds are budgeted in account-
113-42281-415-09 Grant Fund 1 Apparatus and Tools 1 Permanent Capital Maintenance
200-43360-534-0 Utility Enterprise Fund 1 Water Supply Infrastructure Maintenance
/Permanent Capital Maintenance
BACKGROUND:
Bids were taken in accordance with Local Government Code Chapter 252, Subchapter
B, Section 252.021 (a) and Section 252.041 (a). The bid advertisement was posted in
the Fort Worth Star Telegram on May 13, 2010 and May 20, 2010. The bid was opened
publicly on May 28, 2010.
The City of Grapevine received an Energy Conservation Block Grant in the amount of
$503,500 from the Department of Energy. One of the projects approved as part of this
grant award is for the installation of a Photo Voltiac (solar) power plant at the Water
Treatment Plant. Solar panels will in installed on the Water Treatment building roof. The
contract is for the furnishing and installation of all materials and equipment and the
delivery of a fully function system.
The initial estimated cost of the project was $55,500 which included $53,070 of grant
funds with a city contribution of $2,430. The ten kilowatt (10kw) system is the
recommendation due to the estimated cost of the project. The City received three bids
for this system with one no-bid. The lowest bidder that meets specifications is Helio's
Electric in the amount of$47,675.56. (see attached bid tabulation).
The solar power plant will produce approximately 13,932 kilowatt hours per year. Over
the life span, assuming current rates, the plant will save the City approximately $28,840
in energy cost.
Staff recommends approval of the purchase of a ten kilowatt (1 Okw) Photovoltaic system
for the Water Treatment Department from Helio's Electric in the amount of $47,675.56
under an Energy Conservation Block grant from the Department of Energy.
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