10 AUGUST 2011alu
Century Aluminum Saves Thousands with Upgrade to LED Obstruction Lights
Edited by : AL CIRCLE
1 min read
With an operating capacity of 244,000 tons per year, Century Aluminum’s primary aluminum smelting plant in Hawesville, Ky., has been in operation since 1969. The original 400-ft chimney stack featured an incandescent beacon lighting system installed in the 1970s. Looking to upgrade its antiquated technology, the company replaced its vintage beacons with a new, high-efficiency Dialight Vigilant Series L-864 LED red beacon system in an effort to achieve savings in energy consumption and cost, as well as dramatically cut maintenance expenses.
The 42-yr-old chimney stack had become a drain on the company’s energy and financial resources. With two sets of four 1,400W incandescent beacons and two sets of four 116W sidelights (total of 16 units) operating night and day, the company was spending about $6,000 annually just to keep the lights on. In addition to the operational costs, maintenance was becoming a burden, requiring a minimum of two bulb replacements per year for each of the dozen beacons to safeguard against failure.
The 42-yr-old chimney stack had become a drain on the company’s energy and financial resources. With two sets of four 1,400W incandescent beacons and two sets of four 116W sidelights (total of 16 units) operating night and day, the company was spending about $6,000 annually just to keep the lights on. In addition to the operational costs, maintenance was becoming a burden, requiring a minimum of two bulb replacements per year for each of the dozen beacons to safeguard against failure.
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