Analysis of Carbon Dioxide Emission Reductions from Energy Efficiency Upgrades in Consideration of Climate Change and Renewable Energy Policy Initiatives Using Equest

2011 ◽  
Vol 108 (4) ◽  
pp. 65-80
Author(s):  
Anthony Sclafani
Author(s):  
Anthony Sclafani

In January 2008 the Governor of Hawaii announced the Hawaii Clean Energy Initiative; an initiative that aims to have at least 70 percent of Hawaii’s power come from clean energy by 2030 [4]. In July 2009, the Hawaii Department of Accounting and General Services awarded NORESCO, an energy service company, a $33.9M contract to improve the energy efficiency of 10 government buildings. The avoided utility cost of the energy and water savings from the improvements is the project funding mechanism. The energy savings realized by the project will reduce carbon dioxide emissions associated with utility power generation. However, as renewable energy becomes a larger portion of the utility generation profile through the Hawaii Clean Energy Initiative, the carbon dioxide emissions reductions from specific energy efficiency measures may erode over time. This work presents a method of analysis to quantify the carbon dioxide emissions reduction over the life of a project generated by energy efficiency upgrades that accounts for both the impact of policy initiatives and climate change using DOE-2/eQUEST. The analysis is based on the fact that HVAC energy usage will vary with climate changes and that carbon dioxide emission reductions will vary with both energy savings and the corresponding utility’s power generation portfolio. The energy savings related to HVAC system energy efficiency improvements are calculated over the life of a 20 year performance contract using a calibrated DOE-2/eQUEST model of an existing building that utilizes weather data adjusted to match the predictions of the Intergovernmental Panel on Climate Change. The carbon dioxide emissions reductions are calculated using the energy savings results and a projection of the implementation of the Hawaii Clean Energy Initiative. The emissions reductions are compared with other analysis methods and discussed to establish more refined expectations of the impact of energy efficiency projects in context with climate changes and policy initiatives.


2018 ◽  
Vol 2 (4) ◽  
pp. 39
Author(s):  
Les Duckers ◽  
Uswatun Hasanah

Aim:  In this paper we demonstrate an outline strategy for Indonesia to move its electrical generation from fossil fuels to renewable sources in order to reduce carbon dioxide emissions whilst avoiding excessive costs. The modelling here is based on assumed present fossil fuel generating plants.Design / Research methods:  We have modelled a representative electrical generation system based on burning coal, oil and gas, and by replacing retiring stations with photovoltaic cells and wind turbines we have considered the cost and carbon dioxide implications over a 30 year period. Additionally the modelling is extended to increasing the Indonesian installed electrical capacity.Conclusions / findings:  The results show that Indonesia could meet its carbon dioxide emission reduction targets in an economic way by a phased strategy of introducing renewable energy sources. These results are preliminary and will be refined in a future article where we will include the detail of actual existing power stations, with their capacity and anticipated end of life date.Originality / values of the article: There has been, and continues to be, a general resistance to the adoption of renewable energy. This paper shows  the economic benefit that accompanies carbon dioxide reduction thus presents a new aspect to the consideration of carbon reduction, Implications of the research:Indonesia faces difficulties in providing electricity whilst meeting its climate change obligations. This research points to a viable economic strategy which may not only meet those obligations, but actually increase electrical provision across the country.Key words:  Sustainable development, climate change, carbon emissions, renewable energy JEL: C51,L94,Q01,Q42 Doi:


2021 ◽  
Vol 47 (4) ◽  
pp. 1402-1411
Author(s):  
Ladislaus Kyaruzi ◽  
Patrick M Ndaki ◽  
Richard YM Kangalawe

Public policies influence reduction of greenhouse gas emissions. Also the extent to which policies are developed and implemented can influence the achievement of the national, regional and international climate change mitigation policy framework in the renewable energy sub-sector. This paper provides a critical overview of key policy options influencing the development of renewable energy sub-sector through climate change mitigation policy options in Tanzania. Questionnaire surveys were used to collect primary data from 100 relevant experts who represented 64 organizations in Tanzania. Secondary data were collected by literature review. The state of climate change mitigation policy options in the renewable energy sub-sector was assessed by using Statistical Product and Service Solutions (SPSS) version 26.0 and content analysis. The results showed Tanzania lacks adequate climate change mitigation policy and renewable energy policy frameworks. A specific national climate change policy and national renewable energy policy are needed to guide stakeholders to undertake climate change mitigation actions in the renewable energy sub-sector in Tanzania. Perceptions gained and recommendations made are essential for undertaking climate change mitigation actions in Tanzania, and can be relevant for other developing countries because of similar climate change mitigation contexts. Keywords: climate change, renewable energy, greenhouse gases, policies, Tanzania


2001 ◽  
Vol 5 (2) ◽  
pp. 15-25 ◽  
Author(s):  
Terry Oliver ◽  
Debra Lew ◽  
Robert Redlinger ◽  
Chainuwat Prijyanonda

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