Energy and Atmosphere Flashcards
Cx Plan includes the following when pursuing EA-C Demand Response?
One performance test of full demand-response plan.
Proves that all equipment responds as planned and all parties understand their roles.
Carbon Offset?
Reduction in emissions of carbon dioxide or green house gases made to compensate for/offset an emission made elsewhere.
Exceptional Calculation Method applies to which EA Ps/Cs?
EA-P Minimum Energy Performance
EA-C Optimize Energy
To meet EA-C Optimize Energy project team will address nonregulated load savings by?
Using exceptional calculation method (ECM) in a whole-building energy simulation.
Green-e energy certification applies to which EA-C?
EA-C Green Power and Carbon Offsets
Which circumstances call for use of solar gardens or community renewable energy systems to be included in calcs for EA-C Renewable Energy Production?
If project owns/leases the system for 10 years and it is located in same utility service area.
EA-Cs eligible for exemplary performance?
EA-C Optimize Energy Performance
EA-C Renewable Energy Production
Calculations for EA-C Renewable Energy Production are based on which factor?
Building’s annual energy cost.
Eligible energy sources for EA-C Renewable Energy Production?
Photovoltaic Solar Thermal Wind Biofuel (Sometimes) Low-Impact Hydroelectricity Wave and Tidal Energy Geothermal Energy (Sometimes)
PV panels at health project
2,000,000 kWh of annual electricity @ $.075/kWh
50,000 Therms of annual gas @ $.75/therm
150 kW PV array will generate 200,000 kWh of electricity/year.
How many points would team earn for EA-C Renewable Energy Production?
2 points - 1 point = 1-4%, 2 point = 5-9%, 3 point = 10%
Annual Energy Cost = (2mil kWh x $.075/kWh) + (50k therms x $.75/therm) = $187.5K
Cost of Renewable Energy = (200K kWh x $.075/kWh) = $15K
% Renewable Energy Cost = (15k/187.5k) = 8%
Residential project.
Estimated Energy Consumption = $125K/year
What is $ equivalent of renewable energy required for exemplary performance of EA-C Renewable Energy Production?
$18,750
Exemplary performance = 15% of total annual energy cost
150K x .15% = 18.5K
RECs can be used to mitigate the effects of which scope emissions?
Scope 2 Emissions, Electricity Use
Owner interested in making power purchase agreement with 3rd party for photovoltaic array canopies on project’s parking lot.
Which circumstances can points can be claimed under EA-C Renewable Energy Production
Agreement must last for 10 years and owner gets to retain environmental benefits from renewable energy.
Office Bldg
Electricity Use Scope 2 = 6075.8 mtCO2e/yr
No gas use
What is minimum amount of annual carbon offsets they should purchase?
3037.9 mtCO2e/yr
Acceptable sampling strategy when executing functional testing for commissioning process (Cx)?
Sample 10 units or 10% of units.
Which systems must be commissioned for EA-P Fundamental Commissioning and Verification?
MEP
Renewable Energy Systems
Requirements for BE under EA-P Fundamental Commissioning Verification?
None. Covered in OPR and BOD
Yes for EA-C Enhanced Commissioning Option 2
What is power utilization effectiveness?
Measure of data center efficiency.
Power needed to operate and cool data center vs. power drawn by IT equipment.
Project phase the commissioning authority must be engaged in to perform EA-P Fundamental Commissioning Verification?
Latest CxA must be engaged is by the end of the design development phase.
Documents the CxA submit to owner prior to building occupancy EA-C Enhanced Commissioning?
Up to date O&M manuals Operator training Functional performance test reports Up to Date issues log Updated CxA plan that outlines plans for 10-month operational review.
Type of Cx that is an ongoing performance analysis utilizing permanent energy-monitoring systems and real-time energy analysis of an operational building?
Monitoring Based Commissioning
Benefit of monitoring-based commissioning?
Opportunity to track energy consumption
Detect faulty equipment operations
Identify unusual energy or power consumption patterns
Cx that is continuation of the enhanced Cx process and involves ongoing testing to ensure building continues to perform according to OPR and BOD and approved design and construction?
Ongoing Commissioning
Minimum energy savings requirement that a project team should meet when pursuing Option 1 whole building simulation of EA-P Minimum Energy Performance for new construction data center?
5%
First step in meeting EA-P Minimum Energy Performance?
Determine project’s climate zone.
What is a non regulated load?
Any building load, end use, or control without an ASHRAE 90.1 - 2010, appendix G, baseline modeling requirement that allows the load, end use , or control to be modeled differently in the proposed and baseline buildings.
Which types of projects are not eligible for Option 3 Prescriptive Compliance: Advanced Buildings Core Performance EA-P Minimum Energy Performance?
Projects equal to or more than 100K SF and are Healthcare, Warehouse, Laboratory
Types of projects that are eligible to pursue Option 2 Prescriptive Compliance: ASHRAE 50% Advanced Energy Design Guide of EA-P Minimum Energy Performance?
S/M office buildings that are <100K SF
M/L box retail buildings that are 20K SF - 100K SF
School bldgs
L Hospitals > 100K SF
Score the energy performance target achieve when it is established using Energy Stars Target Finder for Option 3 Prescriptive Compliance: Advanced Buildings Core Performance
EA-P Minimum Energy Performance
90
Project types can pursue Option 3 Prescriptive Compliance: Advanced Buildings Core Performance of EA-P Minimum Energy Performance
Projects less than 100K SF that are not school, healthcare, warehouse, or laboratory, and will not pursue EA-C Optimize Energy Performance
New construction
Office Building
Energy cost $50k
What is minimum energy use reduction?
$2500
Retail project
Which additional systems should be calculated in the baseline and design cases to meet EA-C Optimized Energy?
Appliances and equipment
Display lighting
refrigeration
Unit of measure for energy use intensity (EUI)?
kBtu/SF/yr or kWh/SM/yr
Sources of energy that must be metered to meet EA-P Building Level Energy Metering?
energy supplied by utility companies and campus central plants, such as electricity; natural gas, synthetic gas, propane, fuel oil, diesel fuel, other fossil fuels, biofuels, district chilled water, steam, and hot water.
Cx activity that should occur before predesign?
Owner should create OPR.
Ideal time to develop the BOD?
during schematic design
Who develops BOD?
Design team
Who performs prefunctional inspections?
CxA
Exemplary performance for EA-C Optimize Energy Performance?
Option 1
New construction
Major renovation
Core and shell
Achieve at least 54%
Which systems should advanced energy metering be installed in to meet EA-C Advanced Energy Metering
All whole building energy sources used by the building
Any individual energy uses that represent 10% or more of total annual consumption of the building.
Which document can be referenced to estimate the end uses to meter for EA-C Advanced Energy Metering if the project team did not conduct energy modeling for EA-P Minimum Energy Performance?
CBECS
Guidelines for rating system variation that applies to Data Centers pursuing EA-C Advanced Energy Metering?
IT energy consumption, should be metered separately from non-IT equipment, such as HVAC, plug loads, and lighting.
If UPS system supports non-IT loads that amount to more than 10% of its load, ie lighting and cooling, this non-IT load should also be sub metered.
What should be included in scope of work for CxA for a project pursuing EA-C Demand Response?
Creation of demand response processes, including 1 full test of the DR plan.
Levels of demand response with energy management control systems that are eligible for EA-C Demand Response?
Fully automated and semi automated.
How should buildings total annual energy cost be determined?
Can be obtained from the energy model Option 1 of EA-P Minimum Energy Performance.
Otherwise US Dept of Energy CBECS database
Exemplary performance criteria for EA-C Renewable Energy Production?
15% of annual building energy.
Scope 2 emissions?
An entity’s indirect greenhouse gas emissions associated with its consumption of electricity, heating, cooling, or steam purchased from a utility provider.
Ongoing commissioning?
continued testing to ensure that a building continues to perform according to OPR and BOD and approved construction documents
Criteria for choosing a commissioning authority CxA for a healthcare project pursuing EA-C Enhanced Commissioning?
Must have documented commissioning process experience on 2 building projects with a similar scope of work.
CxA may be qualified employee of the owner, independent consultant, or disinterested sub of design team.
400K SF Hospital
Prescriptive option eligible to pursue in order to comply with EA-P Minimum Energy Performance?
Option 2 Prescriptive Compliance ASHRAE 50% Advanced Energy Design
