Thomas Longden
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View article: Outcomes from the Victorian Healthy Homes Program: a randomised control trial of home energy upgrades
Outcomes from the Victorian Healthy Homes Program: a randomised control trial of home energy upgrades Open
Objectives The Victorian Healthy Homes Program investigated the impact of thermal home upgrades on energy and health outcomes in vulnerable, older individuals over winter in Victoria, Australia. Design A staggered parallel-group randomised…
View article: Outcomes from the Victorian Healthy Homes Program: a randomised control trial of home energy upgrades
Outcomes from the Victorian Healthy Homes Program: a randomised control trial of home energy upgrades Open
Introduction The Victorian Healthy Homes Program (VHHP) is the first randomised control trial (RCT) in Australia that investigates the impact of thermal home upgrades on energy and health outcomes in vulnerable individuals over winter in V…
View article: Governing offshore wind: is an ‘Asia-Pacific Model’ emerging?
Governing offshore wind: is an ‘Asia-Pacific Model’ emerging? Open
The Asia-Pacific region is emerging as central to the deployment of offshore wind power. Large scale offshore wind involves complex governance challenges, and governments can choose to centralize and streamline processes enabling the const…
View article: Waiting to generate: An analysis of onshore wind and solar PV project development lead-times in Australia
Waiting to generate: An analysis of onshore wind and solar PV project development lead-times in Australia Open
The feasibility of near-term renewable targets will depend upon the time taken to get projects completed. Very few studies assess total project lead-times for renewable energy projects. This study investigates the determinants of lead-time…
View article: Offshore wind power in the Asia-Pacific: Expert elicitation on costs and policies
Offshore wind power in the Asia-Pacific: Expert elicitation on costs and policies Open
Offshore wind power is an important technology option for decarbonising the electricity sector. An emerging region for the deployment of offshore wind is the Asia-Pacific. We conduct an expert elicitation of future cost expectations for of…
View article: The application of green finance to the production of blue and green hydrogen: A comparative study
The application of green finance to the production of blue and green hydrogen: A comparative study Open
There is widespread agreement – and in particular between the IPCC and the IEA - that to meet global decarbonising goals a large scale and rapid scaling up of hydrogen production is necessary. However, there is a growing debate over the co…
View article: Connected: rooftop solar, prepay and reducing energy insecurity in remote Australia
Connected: rooftop solar, prepay and reducing energy insecurity in remote Australia Open
'It's a good life, that solar'.Australia is a world leader in per-capita deployment of rooftop solar photovoltaics (PV) with more than three million households realising benefits including reduced energy bills and improved energy security.…
View article: Disconnected during disruption: Energy insecurity of Indigenous Australian prepay customers during the COVID-19 pandemic
Disconnected during disruption: Energy insecurity of Indigenous Australian prepay customers during the COVID-19 pandemic Open
Energy policy measures aimed at mitigating the impacts of energy insecurity during the first years of the COVID-19 pandemic, such as moratoriums on disconnection from electricity, were widespread. In Australia, early pandemic safeguards ag…
View article: Optimising renewable generation configurations of off-grid green ammonia production systems considering Haber-Bosch flexibility
Optimising renewable generation configurations of off-grid green ammonia production systems considering Haber-Bosch flexibility Open
Green ammonia has received increasing interest for its potential as an energy carrier in the international trade of renewable power. This paper considers the factors that contribute to producing cost-competitive green ammonia from an expor…
View article: Comparative techno-economic analysis of different PV-assisted direct solar hydrogen generation systems
Comparative techno-economic analysis of different PV-assisted direct solar hydrogen generation systems Open
This work provides a robust technoeconomic analysis of a range of direct solar hydrogen generation (DSHG) systems to understand the opportunities and challenges of deploying DSHG to reduce the cost of renewable hydrogen production.
View article: Optimising Renewable Generation Configurations of Off-Grid Green Ammonia Production Systems considering Haber-Bosch Flexibility
Optimising Renewable Generation Configurations of Off-Grid Green Ammonia Production Systems considering Haber-Bosch Flexibility Open
Green ammonia has received increasing interest for its potential as an energy carrier in the international trade of renewable power. This paper considers Australia’s prospects for green ammonia production from an exporter’s perspective by …
View article: Considering health damages and co-benefits in climate change policy assessment
Considering health damages and co-benefits in climate change policy assessment Open
In early 2021, US President Joe Biden signed an executive order to revise the social cost of carbon estimate used by the US Government. The social cost of carbon is a monetary estimate of the harms of climate change that can be applied whe…
View article: Evaluation of the Victorian Healthy Homes Program: protocol for a randomised controlled trial
Evaluation of the Victorian Healthy Homes Program: protocol for a randomised controlled trial Open
Introduction The evaluation of the Victorian Healthy Homes Program (VHHP) will generate evidence about the efficacy and cost-effectiveness of home upgrades to improve thermal comfort, reduce energy use and produce health and economic benef…
View article: On the cost competitiveness of blue and green hydrogen
On the cost competitiveness of blue and green hydrogen Open
Hydrogen is indispensable for climate change mitigation; yet, it is unclear to what extent blue hydrogen from natural gas with carbon capture and storage will complement green hydrogen from renewable electricity. Today, green hydrogen cost…
View article: Assessing The Long Term Costs Of Blue And Green Hydrogen under Zero-Emissions Objectives
Assessing The Long Term Costs Of Blue And Green Hydrogen under Zero-Emissions Objectives Open
Low carbon hydrogen can be produced using a range of technologies.Green hydrogen is produced using electrolysis and renewable electricity, while blue hydrogen is produced using steam methane reforming (SMR) with carbon capture and storage …
View article: How renewables are transforming electricity grids: an analysis of Australia’s integrated system plan
How renewables are transforming electricity grids: an analysis of Australia’s integrated system plan Open
Most countries will require mega programmes of investment to support the transition to higher shares of renewable energy. Large increases in roof-top solar and other grid-scale renewables are changing the way that electricity grids operate…
View article: The use of an ‘acclimatisation’ heatwave measure to compare temperature-related demand for emergency services in Australia, Botswana, Netherlands, Pakistan, and USA
The use of an ‘acclimatisation’ heatwave measure to compare temperature-related demand for emergency services in Australia, Botswana, Netherlands, Pakistan, and USA Open
The association between heat and ED demand differs between regions. A limitation of the current study is that it does not consider delayed effects or influences of other environmental factors. Given the association between heat and ED use,…
View article: Temperature-related mortality and climate change in Australia
Temperature-related mortality and climate change in Australia Open
Temperature-related mortality is one of the main measures used to assess the costs and benefits associated with climate change. Some assessments have found a net benefit of climate change due to reduced cold temperature deaths offsetting i…