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"Pada tahun 2006 pertumbuhan bisnis operator telekomunikasi di Indonesia mengalami saturasi. Hal ini mendorong operator untuk mengimplementasikan layanan data berbasis teknologi 3G yang diramalkan akan kembali meningkatkan pertumbuhan dan diperkuat oleh kajian akademis yang mengindikasikan layaknya bisnis ini diimplementasikan. Hingga tahun 2013, pertumbuhan bisnis industri ini tidak terjadi dan tidak sesuai dengan hasil peramalan. Tesis ini bertujuan melakukan evaluasi kelayakan implementasi layanan 3G di operator telekomunikasi Indonesia pada tahun 2006-2013 khususnya PT Indosat Tbk, untuk penguatan teori atau asumsi yang digunakan dalam peramalan Indosat. Penelitian ini menggunakan data aktual annual report operator tahun 2006-2013 yang sudah dipublikasikan dan data peramalan pihak ketiga yang dijadikan acuan dan diolah dalam penelitian sebelumnya. Hasil evaluasi kelayakan implementasi 3G pada bisnis telekomunikasi seluler di indonesia tahun 2006-2013 dapat memperkuat teori dan asumsi yang dipergunakan dalam penelitian tersebut.

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In 2006 growth in the Indonesian telecommunications operators experiencing saturation. This prompts the operator to implement 3G technology-based data services are Peramalan to again increase growth and reinforced by academic studies that indicate a business like this is implemented. Until the year 2013, the growth of this industry is not the case and not in accordance with the results of Peramalaning. This thesis aims to evaluate the feasibility of the implementation of 3G services in telecom operators in Indonesia in 2006-2013, especially PT Indosat Tbk, for strengthening the theory or assumptions used in the previous study. This study uses actual data carrier in 2006-2013 annual report that has been published and the data Peramalaning third parties referenced and has been treated in previous research. The results of the evaluation of the feasibility of the implementation of 3G mobile telecommunications business in Indonesia in 2006-2013 to strengthen the theory and assumptions used in the study."

"Penurunan operasi pembangkit listrik PLTD Pesanggaran yang disebabkan oleh derating, tingkat efisiensi rendah, tingkat emisi dan kebisingan yang tinggi telah menimbukan masalah kelistrikan di Bali. Selain itu, PLTD Pesanggaran juga masih menggunakan bahan bakar minyak (single fuel) dimana biaya pokok produksi energi listrik meningkat seiring naiknya harga bahan bakar HSD (High Speed Diesel). Oleh sebab itu, untuk mempertahankan suplai listrik di Bali tetap terpenuhi, pemilik perusahaan melakukan efisiensi melalui program diversifikasi energi. Pada tahun 2012, sebuah perusahaan konsultan telah dipilih untuk melakukan kajian FS (feasibility study) untuk menilai kelayakan operasi pembangkit. Kajian tersebut menyarankan agar perusahaan melakukan assets retirement without abandonment untuk PLTD Pesanggaran yaitu dengan melakukan penggantian (replacement) pembangkit lama dengan pembangkit baru yang menggunakan dual fuel engine. Metode yang digunakan adalah perhitungan biaya COE, LCC dan economic life dari pembangkit lama maupun pembangkit baru. Penelitian menggunakan data amatan PLTD Pesanggaran, di Bali. Dengan metode tersebut dapat menghasilkan suatu model management tools untuk menentukan kelayakan keekonomiannya. Model management tools tersebut dapat dipakai untuk mempermudah pengambilan keputusan di kasus-kasus serupa pada pembangkit listrik PLTD.

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The decline in diesel power plant operation Pesanggaran caused by derating, the level of low efficiency, emissions and noise levels are high already raises the problem of electricity in Bali. In addition, diesel Pesanggaran also still use fuel oil (single fuel) in which electrical energy production cost increases with rising fuel prices HSD (High Speed Diesel). Therefore, to maintain the supply of electricity in Bali remains unfulfilled, the owner of the company to improve efficiency through energy diversification program.

Additionally in 2012, a consulting firm has been selected to conduct a study FS (Feasibility Study) to assess the feasibility of plant operation. The study recommends that companies perform asset retirement without abandonment to diesel Pesanggaran by performing replacement (replacement) old plant with a new plant that uses a dual fuel engine.

A methodology is needed to conduct research studies both technical and economical feasibility of the concept. The study used data Pesanggaran diesel observations, in Bali. The methodology can produce a model management tools to determine its economic feasibility as well as to perform sensitivity testing of each parameter related. Model management tools can be used to facilitate decisionmaking in similar cases in the diesel power plant."

"[Tata kelola udara atau sering disebut Heating, Ventilation and AirConditioning (HVAC) pada perusahaan farmasi mengkonsumsi energi listriksekitar 30% dari konsumsi listrik keseluruhan. Modifikasi teknologi pendingindengan alternatif teknologi Variable Speed Drive (VSD), Thermal Energy Storage(TES) dan penggabungan keduanya menurunkan konsumsi energi listrik masing –masing sebesar 10%, 30% dan 36%. Penggabungan dua teknologi VSD dan TESmenunjukkan nilai penurunan konsumsi energi listrik paling besar. Dan hasilanalisis keekonomian menunjukan hal yang sama bahwa penggabungan alternatifVSD dan TES layak untuk dipilih. Hasil analisis aliran kas dan incrementalinvestment analysis menunjukan penggabungan teknologi VSD dan TES lebihunggul dibanding alternatif yang lain dengan nilai NPV sebesar $79.185,00 danIRR sebesar 80.1%, pada jangka umur pakai 14 tahun. Tingkat kemungkinanmendapatkan NPV > 0 sebesar 98,5% dan IRR > MARR sebesar 99.5%.;HVAC (Heating, Ventilation and Air Conditioning) on pharmaceuticalcompanies to consume electric energy about 30% of overall electricityconsumption. Modification of cooling technology with alternative technologiesVSD (Variable Speed Drive), (Thermal Energy Storage) and the incorporation ofboth lowering the electrical energy consumption of each 10%, 30% and 36%.Merging two VSD technology and TES showed a decrease in the value of electricenergy consumption at most. And the results of the economic analysis indicatesthat the same thing that the incorporation of VSD and TES alternate eligible to beselected. Results of the analysis of cash flow and incremental investment analysisshowed the incorporation of VSD and TES technology is superior to otheralternatives to the NPV of $ 79,185.00 and an IRR of 80.1%, in the period ofuseful life of 14 years. The rate is likely to get NPV> 0 by 98.5% and IRR> MARRof 99.5%., HVAC (Heating, Ventilation and Air Conditioning) on pharmaceuticalcompanies to consume electric energy about 30% of overall electricityconsumption. Modification of cooling technology with alternative technologiesVSD (Variable Speed Drive), (Thermal Energy Storage) and the incorporation ofboth lowering the electrical energy consumption of each 10%, 30% and 36%.Merging two VSD technology and TES showed a decrease in the value of electricenergy consumption at most. And the results of the economic analysis indicatesthat the same thing that the incorporation of VSD and TES alternate eligible to beselected. Results of the analysis of cash flow and incremental investment analysisshowed the incorporation of VSD and TES technology is superior to otheralternatives to the NPV of $ 79,185.00 and an IRR of 80.1%, in the period ofuseful life of 14 years. The rate is likely to get NPV> 0 by 98.5% and IRR> MARRof 99.5%.]"

"[ABSTRAKParadoks kondisi Sumatera Utara selain sebagai penghasil minyak dan gas jugamerupakan provinsi ke-2 terbesar produsen kelapa sawit yang saat ini sedangmengalami krisis energi listrik. Paradigma perhitungan jumlah potensi dari limbahcair kelapa sawit (POME) sebesar 94 MW di Provinsi Sumatera Utara yangseakan-akan bersifat terpusat, kenyataannya besar potensi tersebut tersebar danumumnya terletak di kawasan remote area sehingga umumnya menjadi tidakekonomis untuk membangkitkan energi listrik dari lokasi tersebut dan disalurkankepada pengguna. Alternatif skenario lain yang lebih layak adalah pemanfaatanlimbah cair kelapa sawit (POME) menjadi compress biomethane yang dapatdigunakan sebagai bahan bakar untuk berbagai kebutuhan yang memiliki tingkatprobabilitas kelayakan NPV>0 sebesar 94,87% dan IRR>suku bunga sebesar95,18% lebih tinggi dibandingkan skenario pemanfaatan dalam bentuk listrik.

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ABSTRACTThe paradox of North Sumatra conditions other than as a producer of oiland gas is also the 2nd largest provincial producer of palm oil is currentlyexperiencing a power crisis. Paradigm calculation of the potential amount ofpalm oil mills effluent (POME) by 94 MW in the province of North Sumatra thatseemed to be centralized, in fact great potential spread and are generally locatedin remote areas that generally becomes uneconomical to generate electricalenergy from the site and distributed to users. Another alternative scenario morefeasible is the use of palm oil mills effluent (POME) into compressed biomethanewhich can be used as fuel for various needs that have a probability level offeasibility NPV> 0 by 94.87% and IRR> interest rate of 95.18% higher than theutilization scenarios in the form of electricity., The paradox of North Sumatra conditions other than as a producer of oiland gas is also the 2nd largest provincial producer of palm oil is currentlyexperiencing a power crisis. Paradigm calculation of the potential amount ofpalm oil mills effluent (POME) by 94 MW in the province of North Sumatra thatseemed to be centralized, in fact great potential spread and are generally locatedin remote areas that generally becomes uneconomical to generate electricalenergy from the site and distributed to users. Another alternative scenario morefeasible is the use of palm oil mills effluent (POME) into compressed biomethanewhich can be used as fuel for various needs that have a probability level offeasibility NPV> 0 by 94.87% and IRR> interest rate of 95.18% higher than theutilization scenarios in the form of electricity.]"

"ABSTRAKTren biaya operasional PT. X meningkat, sementara tren EBITDA-nyamenurun. Padahal, PT. X telah menerapkan strategi managed services untukoperasional dan pemeliharaan aset dan jaringan telekomunikasinya dengan tujuanoptimalisasi biaya operasional. Strategi untuk penurunan biaya operasional adalahdengan pemodelan strategi pemeliharaan. Pemodelan dilakukan denganpenjadwalan pelaksanaan pemeliharaan rutin setiap BTS sesuai kategoriprioritasnya. Dengan pemodelan ini didapatkan strategi pemeliharaan berbiayarendah namun tetap memperhatikan kualitas aset dan layanan pada tingkat yangdapat diterima karena corrective dan preventive maintenance tetap diberikanuntuk semua BTS. Dengan pengembangan skenario didapatkan bahwa denganpenjadwalan pemeliharaan rutin dapat menurunkan biaya pemeliharaan rutinsecara signifikan.

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ABSTRACTTrend of PT. X?s operating costs is increasing, while the EBITDA isdecreasing. In fact, PT. X has implemented managed services strategy for theoperational and maintenance of their asset and network which aims for operatingcosts optimization. Strategy to reduce operating cost is by modeling themaintenance strategy. The model was built by scheduling routine maintenanceimplementation per BTS according to their priority category. Result of the modelis a low-cost maintenance strategy which still considering quality of the asset andnetwork at acceptable level because corrective and preventive maintenance stillgiven to every BTS. Using scenarios development, found that scheduling routinemaintenance implementation per BTS can reduce the routine maintenance costsignificantly"