Green Fields or Green Energy
Don Prentis
Renewable Energy & Emissions Trading Manager
ENERGEX Retail Pty Ltd
Green Fields or Green Energy
Green Energy
• What is Green Energy
• Energy from a sustainable or renewable source,
converted to electricity by some technological process.
Green Fields or Green Energy
Green Energy
• Why is it?
• Demand for renewable energy for environmental
concerns
e.g.: ENERGEX’s earth’schoice (Green Power )
• To meet compliance with various measures or legislation
e.g.: Renewable Energy (Electricity) Act 2000
• Impending global imperative …. Kyoto Protocol
Green Fields or Green Energy
Green Energy
• Which paradigm : Waste or Resource
• Energy industry paradigm
Waste  Energy
• Cultural paradigm
Resource recycling
Green Fields or Green Energy
Green Energy
• Competitive Technologies
• Biomass
• Hydro
• Wind
• Solar
Green Fields or Green Energy
Green Energy
• Competitive Fuels
•
Biomass
• Green Waste (including wood waste)
• Energy crops or crop waste
• Food & agricultural wet wastes
• Sewerage
• Solid Waste
• Gas
• Landfill Gas
Green Fields or Green Energy
Green Energy
• Competitive Fuels
• Hydro
• Dammed water
• ‘Run-of-river’
• Wave
• Tide
• Wind
• Solar
• Photo-voltaic
• Thermal
Green Fields or Green Energy
Economics
• Renewable Energy Certificate Price
• Renewable Energy (Electricity) Act 2000,
effective cost of charge $57.14
• Competitive advantage derived from lower REC cost
• Impact of electricity revenue (locational impact)
e.g.:
..$60 project with $30 electricity revenue yields $30 REC
..$60 project with $35 electricity revenue yields $25 REC
Green Fields or Green Energy
Economics
• Project Economics
Electricity revenue
$30
RECs revenue
$25
Total revenue
$55
Capital and Operating Expenditure
$50
Fuel
$5  1.2 tonne ‘green waste’ per MWh
= $4.17/tonne green waste
Green Fields or Green Energy
$5
Economics
• CO2e Trading
• Sell 1 tonne emissions credit
(approximate avoided CO2e from 1 MWh of renewable
energy generation)
$3.00 per tonne
 $2.50 per tonne green waste
Green Fields or Green Energy