If Barry O'Farrell's lost bottle of Grange turns up, it could be worth a lot more than $3000.
Peter Hannam Google+
Peter Hannam covers broad environmental issues ranging from climate change to renewable energy for Fairfax Media.
Peter Hannam Increased competition among electricity generators has driven down power prices.
Peter Hannam A controversial $200m wind farm that divided a local community and drew opposition from a nearby maximum security jail has secured planning approval to proceed.
Peter Hannam US exports of shale gas to Asia are unlikely to undermine the market for Australian gas producers.
Peter Hannam Blustery late-winter weather across south-eastern Australia combined with the addition of new wind farms have blown away records for wind energy supply.
Peter Hannam Sources such as wind and solar could supply electricity at prices comparable to fossil fuels by 2030.
Peter Hannam Suncorp has begun cutting premiums for residents of a flood-prone region of Queensland.
Peter Hannam Suncorp has begun cutting the cost of premiums for residents of a flood-prone region of Queensland, signalling that benefits of mitigation efforts will flow through to local communities.
Peter Hannam As China's solar tycoons go, 'Sun king' Shi Zhengrong and Miao Liansheng occupy different ends of the spectrum.
Peter Hannam Blue skies or a clouded future? This week had elements of both to add cheer or fear to Australia's solar energy industry.
Peter Hannam Electricity supplied from the nation's rooftop solar panels almost doubled last financial year, contributing to the slide in power demand from the grid and lowering carbon emissions.
Peter Hannam The rise of solar energy has caught many off guard and, in certain locations, is starting to test the limits of existing infrastructure.
Peter Hannam Opinion may divide over this Tuesday's interest rate decision by the Reserve Bank but few will challenge the central bank's authority to set monetary policy.
Peter Hannam The head of one of Australia's biggest energy companies has blasted rivals for fuelling uncertainty over the renewable energy target (RET) and for misrepresenting the costs of clean sources of power.
Peter Hannam Australia will get its largest solar ventures with AGL Energy today announcing it will proceed with two projects in NSW costing a total of $450 million.
Peter Hannam Australian companies won't be too upset by units trading at a 30th of the current carbon price of $24.15 a tonne.
Peter Hannam Yang Fuqiang has little patience with arguments the world's biggest emitter of carbon dioxide should leave it to richer nations to take the lead on climate change.
Peter Hannam Australia could phase out almost all its fossil-fuel sourced electricity by 2040 if it doubled the current rate of take-up of solar energy, says Professor Ken Baldwin, director of ANU's Energy Change...
Peter Hannam Geodynamics, the developer of Australia's first deep hot rocks energy project, aims to secure the first customers for its Cooper Basin site within six to 12 months.
Peter Hannam The slump in electricity demand is gathering pace in eastern Australia, with the recent mild winter contributing to decade lows for power use in NSW and Victoria, energy experts say.
Peter Hannam Many probably wish policy making could approach the certainty held by climate scientists.