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"The book features innovative scientific research by scientists, academicians and students, presented at the International Conference on Energy, Materials and Information Technology, 2017 at Amity University Jharkhand, India. Covering all the promising renewable energies and their related technologies, such as wind, solar and biomass energy, it compiles current important scientific research in this field and addresses how it can be applied in an interdisciplinary manner. The selected conference papers provide important data and parameters for utilizing the main potential renewable energies, and allowing an economic and environmental assessment.The book is a valuable resource for all those who are interested in the physical and technical principles of promising ways to utilize various renewable energies."

"Pemanfaatan energi terbarukan sudah sangat mendesak guna mereduksi emisi gas CO2 di atmosfir. Salah satunya adalah pemanfaatan biomassa sebagai energi alterntif pengganti energi fosil. Kabupaten Lampung Tengah sebagai sentra produksi gula nasional memiliki potensi bagase yang melimpah, yang dapat dimanfaatkan sebagai Pembangkit Listrik Tenaga Biomassa dengan sistem gasifikasi. Saat ini komplek perkantoran Pemda Lampung Tengah masih mengoperasikan PLTD guna memenuhi kebutuhan energinya karena keandalan jaringan grid KLP SSM sangat terbatas. Untuk itu perlu analisa biaya energi yang dikeluarkan bila menerapkan PLT Biomassa sebagai pengganti PLTD. Dalam analisa ini menggunakan bantuan perangkat lunak HOMER versi 2.68 beta yang dapat mengoptimasi sistem pembangkit dari nilai NPC dan COE terendah. Dari analisa hasil simulasi didapat bahwa dengan mennggunakan PLT Biomassa biaya energi akan turun sebesar 23% dari USD$0.187/kWh menjadi USD$0.144/kWh. Terjadi penghematan pemakaian BBM sebesar 111.625 liter/tahun dan menurunkan emisi gas CO2 sebesar 47,5% dari 603.034 kg/tahun menjadi 316.577. Pada harga grid sesuai BBP TR Provinsi Lampung sebesar Rp.860/kWh maka PLT Biomassa akan dapat bersaing bila harga bagase sebesar USD$ 12/ton.

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Utilization of renewable energy is very urgent to reduce emissions in the atmosphere. One of the utilization of biomass is as an alternative energy substitute for fossil energy. Central Lampung District as the center of the national sugar production has the potential bagase abundant, which can be utilized as Biomass Power Plant with gasification system.

Recently the local government office complex of Central Lampung still operate diesel generator to meet its energy needs because the supply capacity grid network of KLP SSM only 70%. It is necessary to analyze cost of energy incurred when applying Biomass power plant substitute for diesel generator. The analysis using Homer software version 2.68 beta, to optimize the systems of power plant according to the lowest NPC and COE.

The result of analysis shows that cost of energy Biomass power plant will drop from USD$ 0.187/kWh to USD$ 0.144/kWh. It will save of fuel consumption 111.625 liters/year and reduce CO2 emissions 286.457 kg/year. For gid energy purchase USD$ 0.086/kWh, Biomass power plant will be competitive if bagasse price of USD $ 12/ton."

"Kebutuhan energi meningkat seiring pertumbuhan penduduk dan aktivitas ekonomi. Energi fosil masih mendominasi, menyebabkan peningkatan polusi udara. Kontribusi energi terbarukan yang ramah lingkungan masih minim dalam bauran energi nasional. Penelitian ini bertujuan untuk mengkaji potensi Pembangkit Listrik Tenaga Surya (PLTS) atap ditinjau dari aspek tekno-ekonomi, sosial-ekonomi dan lingkungan, dengan contoh kasus di Jakarta. Pertama, estimasi luas atap potensial yang tersedia untuk memasang sistem PLTS atap PV dihitung dengan menganalisis data spasial penggunaan lahan dan tapak bangunan menggunakan Sistem Informasi Geografis dan menghitung potensi daya listrik yang dapat dibangkitkan dari luas atap potensial. Kedua, menghitung faktor reduksi emisi CO2 dengan memanfaatan listrik PLTS atap PV serta mengkaji kelayakan ekonomi skala rumah tangga. Terakhir, mengevaluasi difusi PLTS atap PV melalui simulasi model system dynamics untuk menghasilkan rekomendasi kebijakan. Berdasarkan hasil analisis diketahui, potensi listrik PLTS atap di Jakarta dapat memenuhi 69-135% dari kebutuhan listrik saat ini, menurunkan emisi CO2 per tahun 24,43-33,58 juta ton CO2-eq. Sistem PLTS atap PV skala rumah tangga di Jakarta dengan kapasitas 2 kW ke atas telah mencapai nilai keekonomian.

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Energy demand increase along with population growth and economic activity. Fossil energy still dominates, causing an increase in air pollution. The contribution of environmentally friendly renewable energy is still minimal in the national energy mix. This study aims to examine the potential of rooftop photovoltaics solar power generation in terms of techno-economic, socio-economic, and environmental aspects, with case study of Jakarta. First, an estimate of the potential available roof area for installing a rooftop PV system is calculated by analyzing the spatial data of land use and building footprint using a Geographic Information System and calculating the potential electrical power can be generated from the potential roof area. Second, calculating the CO2 emission reduction factor by utilizing PV rooftop PLTS electricity and assessing the economic feasibility of household scale. Finally, evaluating the diffusion of PV rooftop solar through system dynamics model simulations to generate recommendations. Based on the analysis, it is known that the electricity potential of rooftop PLTS in Jakarta able to fulfil 69-135% of the current electricity demand, reducing CO2 emissions per year by 24.43-33.58 million tonnes of CO2-eq. The household-scale PV rooftop solar system in Jakarta with a capacity of 2 kW and above has achieved economic value."

"Saat ini minyak bumi mendominasi sebagai sumber utama bahan bakar untuk motor bakar. Energi yang terbarukan merupakan salah satu solusi untuk menghadapi persoalan krisis energi yang memprediksi habisnya bahan bakar minyak bumi dimasa mendatang. Salah satu sumber energi yang terbarukan adalah Bioethanol.Dalam penelitian ini, dilakukan rancang bangun compact distillator dengan memamfaatkan gas buang dari motor bakar sebagai alat utama pengolahan ethanol. Tujuannya adalah ingin menghasilkan produk ethanol layak menjadi bahan bakar yaitu ethanol dengan kadar diatas 85%. Untuk mengetahui performa dari produk low grade ethanol yang didistilasi ini dilakukan pengujian unjuk kinerja bahan bakar dengan parameter laju konsumsi bahan bakar, kondisi gas buang dan pengaruh penambahan ethanol kedalam bahan bakar terhadap kinerja mesin.Dari hasil penelitian ini diharapkan compact distillator dapat menyerap panas gas buang dari knalpot secara maksimal sehingga laju distilasi compact distillator mampu memenuhi kebutuhan konsumsi bahan bakar Sepeda Motor Suzuki thunder 125 cc. Gas buang bioethanol hasil distillasi compact distillator lebih ramah lingkungan, kadar CO rendah (±0.5 % Vol), HC rendah (±44.3 ppm Vol), NOx tidak terdeteksi (0 ppm Vol).

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Currently petroleum dominates as the main source of fuel for motor fuel. Renewable energy is one solution to face the problem of energy crisis that predict petroleum fuels in the future will be run out. One source of renewable energy is Bioethanol.

In this study, compact distillator design to utilization exhaust gases from motorcycle as the primary energy resource to processing ethanol. The goal is to produce decent products into ethanol fuel is ethanol with a concentration above 85%. To determine the performance of low-grade product distilled was carried out engine performance testing with the rate of fuel consumption, exhaust gas conditions and the effect of adding ethanol into the fuel on engine performance.

From the results of this study are expected compact distillator can absorb heat from the exhaust gases are maximum, so the rate of distillation able to sufficient the fuel consumption of Suzuki Motorcycles thunder 125 cc. Bioethanol exhaust compact distillasi results distillator more environmentally friendly, low CO levels (± 0.5% Vol), low HC (± 44.3 ppm Vol), NOx was not detected (0 ppm Vol)."

"The analysis on manufacturing sector mostly focuses on economic valuation such as output, value added, and employment, but few studies attempt simultaneously to analyze economic, energy consumption and carbon dioxide emissions (CO2). We applied the graph theory to select the dominant industries based on selected criteria. We found that food industry became a dominant industry. However, none industry was dominant for the all criteria. This implied that pro growth is not always similar with pro environment, even the two criteria can be conflicted one and another. We argue that different characteristics of industry need to be considered in evaluating industy performance. Finally, in terms of policy intervention, we suggest government to construct intensity indicator and to develop broad policy framework in enhancing energy efficiency."

"A global demand for energy has forced many countries to search for alternative and renewable energy. An anticipated effect of the development of renewable is an increase in employment as part of new green jobs creation, a major benefit for Indonesia to cope with its high unemployment rate. This paper describes the impact of renewable energy development on the jobs creation in Indonesia. First, we identify current government policies relative to renewable energy. Second, this paper describes the definition of green jobs and what type of jobs might be created due to development of renewable energy. Third, companies in Indonesia currently operating in the renewable energy sector are analyzed for their potential growth. Research is based solely on secondary data analysis. Information publicly available from the government/ministry website was used to examine policies concerning renewable energy. Related journals and articles were used to explore plans for the creation of green jobs, and a database search was conducted to identify companies currently operating in the renewable energy sector. The Kammen et al. (2004) study of Jobs per Megawatt of Capacity identified that the renewable energy installed capacity in 2007 created approximately 14,000 jobs in Indonesia. The potential capacity of renewable energy will create 70,000-190,000 jobs in Indonesia."