4 October 2016, The Conversation, South Australian blackout: renewables aren’t a threat to energy security, they’re the future. In the wake of South Australia’s wild weather and state-wide blackout, both Prime Minister Malcolm Turnbull and Energy Minister Josh Frydenberg have emphasised the importance of energy security. Turnbull stated that the blackout was a wake-up call, suggesting that reliance on renewables places very different strains and pressures on a grid than traditional coal-fired power. The assumption that these politicians and others are working off is that South Australia’s wind industry has reduced the state’s energy security. But do these politicians really know what energy security means in a modern energy landscape? The baseload question. Baseload power is an economic term that refers to power sources that consistently generate electrical power, therefore meeting minimum demand. The minimum demand for electrical power from an electrical grid is referred to as the baseload requirement. The underlying assumption is that the only way of supplying baseload electricity demand is by means of power stations, such as those fired by coal, that operate at full power all day and night. This is a widely held belief in Australia. A former Australian industry minister, Ian Macfarlane, claimed at a uranium industry conference that the only serious alternative way that baseload power can be produced is by hydro and nuclear. But this is not entirely true. In 2014 South Australia got 39% of its electricity from renewable energy (33% wind plus 6% solar). Consequently, the state’s coal-fired power stations have become redundant. Read More here
Yearly Archives: 2016
29 September 2016, Climate News Network, Speed of Arctic changes defies scientists.The Arctic climate is changing so quickly that science can barely keep track of what is happening and predict the global consequences, the UN says. In an unusually stark warning a leading international scientific body says the Arctic climate is changing so fast that researchers are struggling to keep up. The changes happening there, it says, are affecting the weather worldwide. The World Meteorological Organisation (WMO) says: “Dramatic and unprecedented warming in the Arctic is driving sea level rise, affecting weather patterns around the world and may trigger even more changes in the climate system. “The rate of change is challenging the current scientific capacity to monitor and predict what is becoming a journey into uncharted territory.” The WMO is the United Nations’ main agency responsible for weather, climate and water. Its president, David Grimes, said: “The Arctic is a principal, global driver of the climate system and is undergoing an unprecedented rate of change with consequences far beyond its boundaries. Read More here
29 September 2016, The Conversation, Putting carbon back in the land is just a smokescreen for real climate action: Climate Council report. Just as people pump greenhouse gases into the atmosphere by burning fossil fuels, the land also absorbs some of those emissions. Plants, as they grow, use carbon dioxide and store it within their bodies. However, as the Climate Council’s latest report shows, Australia’s fossil fuels (including those burned overseas) are pumping 6.5 times as much carbon into the atmosphere as the land can absorb. This means that, while storing carbon on land is useful for combating climate change, it is no replacement for reducing fossil fuel emissions. Land carbon is the biggest source of emission reductions in Australia’s climate policy centrepiece – the Emissions Reduction Fund. This is smoke and mirrors: a distraction from the real challenge of cutting fossil fuel emissions.Land carbon Land carbon is part of the active carbon cycle at the Earth’s surface. Carbon is continually exchanging between the land, ocean and atmosphere, primarily as carbon dioxide. In contrast, carbon in fossil fuels has been locked away from the active carbon cycle for millions of years. Carbon stored on land is vulnerable to being returned to the atmosphere. Natural disturbances such as bushfires, droughts, insect attacks and heatwaves, many of which are being made worse by climate change, can trigger the release of significant amounts of land carbon back to the atmosphere. Changes in land management, as we’ve seen in Queensland, for example, with the relaxation of land-clearing laws by the previous state government, can also affect the capability of land systems to store carbon. Burning fossil fuels and releasing CO₂ to the atmosphere thus introduces new and additional carbon into the land-atmosphere-ocean cycle. It does not simply redistribute existing carbon in the cycle. Read More here
29 September 2016, Renew Economy, Coalition launches fierce attack against wind and solar after blackout. The Coalition government launched a ferocious attack against wind and solar energy after the major South Australian blackout, even though energy minister Josh Frydenberg and the grid operators admit that the source of energy had nothing to do with catastrophic outage. Frydenberg, however, lined up with prime minister Malcolm Turnbull, deputy prime minister Barnaby Joyce, One Nation’s Malcolm Roberts, independent Senator Nick Xenophon and a host of conservative commentators, including Andrew Bolt, Alan Moran, the ABC’s Chris Ullmann, and Fairfax’ Brian Robins to exploit the blackout to question the use of renewable energy. Frydenberg used the blackout to continue his persistent campaign against the renewable energy targets of state Labor governments in South Australia, Victoria and Queensland, saying that the blackout was proof that these targets were “unrealistic.” He made clear that he wanted the states – South Australia and Queensland which are pushing for 50 per cent renewable energy, and Victoria 40 per cent – to abandon their schemes and conform to the federal target, which has target of about 23.5 per cent renewables. The federal scheme effectively ends in 2020, while the state based schemes provide longer term investment signals by providing a 2025 and 2030 time frames. “These states are pursuing these unrealistic targets ,” Frydenberg told ABC’s AM program. “My job is to try and get these states to the table … only the Commonwealth, with 23.5%, is a realistic target.” His comments were later repeated by Turnbull,who accused state Labor governments for imposing “ideological” renewable energy targets, describing the South Australian blackout as a “wake-up call” to focus on energy security. (It should be noted that South Australia’s wind fleet was built via the federal target, which is a bipartisan policy between the Coalition and Labor. It has a state target, but it is aspirational only, it has no particular state measures). Turnbull said there was “no doubt” that the “extremely aggressive” shift to renewables had strained the electricity network. Read More here