Anjar Priandoyo

Catatan Setiap Hari

Posts Tagged ‘Method

Method

leave a comment »

Rule #01 There is no data “nembak”
Rule #02 Any selection could be performed if there is a certain criteria. Selection criteria is procedure itself

  1. Activity: Scenario Development. Method: Literature Review
    1.1 Activity: Select Storyline. Method: Literature Review (Selection Criteria) e.g IEA or Shell
    1.1.1 Method: i) Select international storyline; ii) select storyline in energy; iii) select in scientific literature
    1.2 Activity: Develop initial scenario. Method: Literature Review e.g RE or Gas
    1.2.1 Method: i) Identify key characteristics i) Develop scenario drivers ii) Develop assumptions;
    1.3 Activity: Quantification of scenario. Method: Literature Review e.g 6%

Pilih mana yang bagus A, B atau C (method: selection criteria)
Bikin ABC (method: steps)

Iklan

Written by Anjar Priandoyo

Desember 4, 2017 at 5:04 pm

Ditulis dalam Science

Tagged with

Method: Herfindahl Index

leave a comment »

The Herfindahl index (1950) also known as Herfindahl–Hirschman Index, HHI, or sometimes HHI-score is an economic method. HHI is a measure of the size of firms in relation to the industry and an indicator of the amount of competition among them.

Emerging energy geographies: Scaling and spatial divergence in EUropean electricity generation capacity (2016)

Written by Anjar Priandoyo

November 23, 2017 at 12:00 pm

Ditulis dalam Science

Tagged with

Method: Energy returned on energy invested (EROI)

leave a comment »

There was a million way to solve a problem. For example, to decide which investment that should be chosen, we could use an ROI or IRR. In energy, we can use a number of methods such as LCOE or in a relatively new method is EROI or EPBT (Energy Payback Time).

EROI, especially in Solar PV is developed by Marco Raugei since around 2012 (if I am not mistaken) and estimating the amount of EROI around 8x, which is good, but not as good as hydropower -of course.

However in around 2016, a new method, based on EROI method is producing a different number which is 0.8, means negative energy or energy sinks.

It is interesting to see this kind of debate.

The energy return on energy investment (EROI) of photovoltaics: Methodology and comparisons with fossil fuel life cycles (June 2012, Marco Raugei et al)
Energy Return on Energy Invested (ERoEI) for photovoltaic solar systems in regions of moderate insolation (Jul 2016)

Written by Anjar Priandoyo

November 23, 2017 at 11:25 am

Ditulis dalam Science

Tagged with

Method and Investment Rule

leave a comment »

IPCC (2001) recommend that a project should have IRR of more than 10-12% for developing countries and 4-6% for developed country, the project justification should be around 10-25% ref IPCC 2001 Costing Methodologies

When selecting a project, there are a number of method can be used. The method is developed by somebody, for example AHP is developed by Thomas Saaty (1970) -even a simple method like Gantt Chart is attributed to Henry Gantt (1910s), which actually Karol Adamiecki, a Polish is preceded him.

Energy transitions and emerging economies: A multi-criteria analysis of policy options for hydropower surplus utilization in Paraguay

Written by Anjar Priandoyo

November 23, 2017 at 10:30 am

Ditulis dalam Science

Tagged with

Method

leave a comment »

Sains itu intinya membuat sebuah method, sebuah cara untuk memutuskan sesuatu. Contoh untuk memutuskan membeli barang bisa dilihat dari metode harga, dicari dibeberapa toko yang paling murah. Bisa dari metode ukuran, dicari dari beberapa toko yang menjual dengan ukuran yang sesuai. Masing-masing method hanya terbatas untuk suatu kasus tertentu saja.

Contoh Multicriteria analysis, ini adalah sebuah method yang sangat besar, dipakai di banyak lembaga riset sosial interdisipliner seperti CIFOR Multicriteria analysis. Didalamnya ada method yang sudah siap dipakai seperti AHP, Pairwise, MCDA dan seterusnya. Methode ini bisa digunakan oleh siapapun, tapi tugas saintis adalah menemukan methode yang lebih baik dari methode yang saat ini sudah ada.

Written by Anjar Priandoyo

November 23, 2017 at 9:48 am

Ditulis dalam Science

Tagged with