Embed Size (px)
DESCRIPTION
Sydney has a high electrical demand from housing, commercial and industrial land use. The population is increasing which has led to a high demand for electricity. New solutions need to be created such as solar power energy.
Citation preview
1863-First electric light displayed 1888-Tamworth first to have street
lighting, Penrith, Moss Vale, Broken Hill and Redfern soon followed
1894-Melbourne first city to operate via a power station
1904-Pyrmont power station built generating power for people of Sydney
1923 Northern Territory supplied with power
1927-34% households wired
Generation in power stations (primary)↓
High voltage transmission lines transfer electricity from generators to metropolitan/regional areas
(secondary)↓
Retailers purchase electricity & distribute it to consumers (tertiary)
9.68 million electricity connections 2 million gas connections Transmission & distribution comprises
884 000 circuit km Annual electricity generation of
226 600 GWh annually....enough to power...
18 333 000, 2 storey homes
Total Hydro-electric generation in NSW is 30.2 GW annually, which
equates to....
Enough energy to power 2.56 million 2 storey households or...
The city of Perth
On average, a household within Sydney consumes 8 250 kw hours of electricity annually
On average, households of New South Wales (excluding Sydney), consume 7 790 kw hours of electricity annually
=
10% variation in consumption habits
12 144 square km 4 284 379 people 352 people per square km
Compared to Los Angeles.... 10 518 square km 10.1 million people 962 people per square km
Outdated: underground power cables now used rather than power poles; however existing power poles are not being replaced by underground cabling
Power poles: 1 branch can knock out thousands of homes- Inner west 2008 (4000 homes)
Emissions created in generation, especially from 18 067 500 tonnes of coal burned for electricity annually
Sydney’s population as of yesterday was 4,284,379
Sydney’s projected population increase within 25 years: 1.1 million....
= 640 000 new homes, 500 000 new jobs 7 500Ha of new industrial land, 6.8
million sq m of commercial floor space, 3.7 million sq m retail floor space
Housing, commercial and industrial demand
↓Decreased area
↓Expansion of city
↓The need for new power sources
Solar Power generation: 1 square km (1 million square m)
=138 football fields
= 146 000 000 kw hours per annum
= (12 167, 2 storey homes)
