Chapter 5 Powerpoint_Energy for Sustainability

Energy for Sustainability Randolph & Masters, 2008 Chapter 5: Energy Analysis & Life-Cycle Assessment

Life Cycle Assessment ,[object Object]

Check out this video on life cycle ,[object Object]

Life Cycle Assessment: sometimes counter-intuitive Energy

Life-cycle Assessment ,[object Object],[object Object],[object Object]

Energy Analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Energy Balance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Energy Analysis Metrics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Energy Analysis Metrics: Efficiency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Metrics: Net Energy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Metrics: Focus on Carbon, Petroleum ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

EROI for various energy sources

Contradictory Studies on EROI, NEV of Corn-based Ethanol

Compare ethanol to gasoline: EROI not as important and Net Fossil Fuel

Farrell, et al., Science , 2006 Net Energy & Petroleum Input

Energy Input and Carbon Emissions

Getting Energy Use Data ,[object Object],[object Object],[object Object],[object Object],[object Object]

Economic Analysis ,[object Object]

Volatility: Price of Gasoline in U.S., 1999-2007

Time-value doesn’t matter much for short time periods and low discount rates ,[object Object],[object Object],[object Object],[object Object],[object Object]

Simple Payback Period (SPP) ,[object Object],[object Object],[object Object],[object Object]

Cost of Conserved Energy (CCE) ,[object Object],CRF takes one-time payment and spreads it out over the lifetime (n) of the measure based on a discount rate (d)

What is Cost-effective? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Conservation Supply Curve (CSC): plots cost per unit saved v. cumulative savings

CSC for U.S. electricity, 1990: each step is an efficiency measure

Environmental Analysis Energy Use Impact/energy Impact

Electricity depends on location

Calculating Emissions and Offsets ,[object Object]

Chapter 5 Powerpoint_Energy for Sustainability

Recommended

Recommended

More Related Content

Viewers also liked

Viewers also liked (11)

Similar to Chapter 5 Powerpoint_Energy for Sustainability

Similar to Chapter 5 Powerpoint_Energy for Sustainability (20)

Recently uploaded

Recently uploaded (20)

Chapter 5 Powerpoint_Energy for Sustainability