A standard & emergency Chamaeleon LED light retrofit of T8 fluorescent batten lighting in the underground car park & fire stairs of the 93 apartment complex on the Brisbane River contributes to a National Energy Efficiency Award win for electrical contractor Briett Thiedeke. Combined with a wider scope of upgrade works including lifts, exhaust fans, HVAC, pool pumps, garden & pool lighting a 30% reduction in TOTAL common area electricity usage was achieved from 2012-15.
The car park and fire stair lighting upgrade was part of a wider energy management project that was instigated by Brett Thiedeke. Brett has been the site's electrical contractor for 10 years including planned & reactive electrical maintenance, which enabled him to develop a strong understanding of the building's operating costs and opportunities for improvement.
The extensive project which also included HVAC controls, data logging, car park exhaust fan timer clocks, garden & lobby lighting upgrades was recognised as State Energy Efficiency Project Winner by Master Electricians QLD in October 2015 and NATIONAL winner a month later.
We are very pleased with the Chamaeleon light installation in the 4000m² underground car park of our South Brisbane apartment complex. In addition to the significant energy cost savings, the area is noticeably cooler.
No failures were recorded at the first 6 monthly emergency lighting battery discharge test since the lighting upgrade, which has delivered an annual $10K saving in replacement parts & labour.
The Owners Corporation received an Energex Positive Reward payment of $1771, in recognition of the site's contribution to peak load reduction across its network.
| Energy Saving Opportunity | Old Technology | Original Power (kWhpa) | New Technology | New Power (kWhpa) | Savings (kWhpa) |
|---|---|---|---|---|---|
| Car park Exhaust Fans* | 24 hr 4 x 18.5kW | 648,240 | 1 x 18.5kW Fan run 1.5hr day | 10,129 | 638,111 |
| Pool Heater | 3 ph. 21kW heater | 150,000 | Heat Pump | 20,000 | 130,000 |
| Lighting Electricity Savings | Fluorescent + Halogen | 309,370 | LED + sensor + PE cell | 68,555 | 240,815 |
| Lighting Maintenance Savings | Reduced repair & replacement costs | $18,000 | |||
| HVAC toilet exhaust | 8 x 3phase 1.4kW Fan motors Run time 24/7 |
98,112 | Time clocks & duty cycles |
24,528 | 73584 |
| TOTAL |
1,112,639 |
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