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title | Decentralized Systems and TenantEquipmentTenant Equipment |
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title | Decentralized Systems and Tenant Equipment |
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Access to Occupied Spaces. |
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Regulatory Limitations - Rent Stabilized Apartments - The building owner is required to provide free heat and hot water.
- No mechanism to recover investment in new systems is necessary to achieve decarbonization.
- Buildings are capital constrained
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Split Incentives (tenants pays pay for energy). |
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title | Infrastructure |
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styles | {" | styles | {"body":{"text":{"color":"#465671","textAlign":"left","fontWeight":"normal","fontSize":14}},"header":{"backgroundColor":{"color":"#ffffff"}},"headline":{"alignment":{"horizontal":"start"},"text":{"text":"Con Edison Steam: assume district steam system will decarbonize","color":"#002d72","textAlign":"left","fontWeight":"bold","fontSize":26}},"base":{"backgroundColor":{"color":"#ffffff"},"borderRadius":{"radius":4},"boxShadow":{"shadows":[{"color":"rgba(0, 0, 0, 0.08)","x":0,"y":1,"blur":1,"spread":0},{"color":"rgba(0, 0, 0, 0.16)","x":0,"y":1,"blur":3,"spread":1}]}}} |
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body | <p><br /></p> |
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| Expand | title | | learn more | High temperature renewable resources are limited and face hurdles: Section |
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| - Deep Bore Geothermal
- Renewable Hydrogen
- Carbon Capture and Sequestration
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| - Biomethane
- Electric Boilers
- High-temperature thermal storage
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| - Hight-temperature industrial heat pumps
- Waste Heat Capture and Reuse
- Fission
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body | <p><br /></p> |
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title | learn more |
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Utility Capacity Limitations: Expand |
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| learn more | Building Electric Capacity Upgrades |
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| section |
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| - Capacity competition with other electrification needs:
- Space Heat and Cooling
- DHW
- Cooking
- Pumps and Motors
| - Electric riser capacity
- Switchgear expansion
- New service/vault expansion/point-of-entry space constraints
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| Electric Riser CapacitySwitchgear ExpansionNew Service/Vault Expansion/Point-of-Entry Space Constraints - Capacity competition with other electrification needs:
- Space heat and cooling
- DHW
- Cooking
- Pumps and motors
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title | Local Network Electric Capacity Upgrades |
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| Expand |
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| | - Excess Distribution Facility Charges (EDF)
- Contributions in Aid of Construction (CIAC)
Expand |
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title | Gas Utility Earnings Adjustment Mechanisms (EAM) focused on |
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| SystemPeak System Peak Demand Reductions |
| expand | | | - Partial Electrification concepts achieve deep decarbonization but do
notnecessarily - not necessarily achieve peak gas demand reductions (
debateable
Expand |
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title | Total Connected Loads and Peak Demand drive need for capacity upgrades |
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| Demand capacityupgrades; demand reduction strategies do not obviate capacity limitationsunless limitations unless the utility accepts the solution as a permanent demand/ loadreduction load reduction strategy. expand | Section |
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| Danger ConstraintsElectri Distribution Limitations- constraints
- Electricity distribution limitations
- Structural
Loads |
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| - Building Automation/BMS/Demand Response:
Limitations blackbox - Blackbox software
- Microgrid
Development Expertise |
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| Constraints Use zero - Zero carbon fuels availability is non-existent
- Structural
Loads Infrastructure |
| Thermal Storage
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| learn more |
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| Constrains Loads Limitations- limitations:
- Vacuum insulated storage tanks
- Phase change material (DHW, space heating)
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title | Geothermal (ambient temperature), Deep Bore Geothermal ( |
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| hightemperaturehigh temperature) or Shared Loop District Energy Systems provide cooling |
| andheating and heating with lower peak demand than standard electric equipment |
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| Section |
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| - Building pipe riser limitations; need additional riser capacity:
- Building water loops are typically “top down” - cooling capacity
istypically - is typically located at rooftop mechanical penthouses; cooling
towersat - towers at roof.
- Some exceptions to this rule
- Space Constraints
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| Space Constraints for Geothermal Wells- space constraints for geothermal wells
- Difficult permitting
- Mud and cuttings disposal
- Contaminated soil disposal
- Overhead
Clearance Constraints - clearance constraints for
Drilling BasementsGarages |
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| - Shared Loop/Thermal Utility Limitations:
- Requires entity that may operate in public ROWs and
acrossproperty - across property lines
- Utilities are limited by regulations for gas, steam or electric
deliveryvs. - delivery versus shared loop media (ambient temperature water).
- Only utility entities can provide very long amortization periods
- Utilities are best suited to work amid crowded
undergroundmunicipal - underground municipal ROWs.
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| - Deep Bore Geothermal Limitations:
Requires - Requires test drilling and geological assessment
- Seismic
Risk- risk
- Drilling equipment is very large - more akin to oil and
gasdevelopment - gas development equipment
- Subsurface land rights and DEC restrictions
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title | Other Energy Efficiency/Conservation Measures with proven/ |
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| attractiveeconomics attractive economics (these measures are limited by lack of capital or knowledge) |
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title | learn more |
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Lighting Controls- lighting controls
- High-efficiency electrically commutated motors (ECM)
- Variable Frequency Drives (VFD) on pumps and motors
Retrocommissioning Tasks and MaintenanceBehavioral Modification- Retro-commissioning tasks and maintenance
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| learn more | Work Scheduling- work scheduling
- Telework
Submetering and Billing betweenlandlord builidings biling |
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title | Facade and Windows |
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Work must be completed at the end of facade/window useful life; very long usefullifeuseful life |
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Glazing Reduction reduction at odds with aesthetic/marketability concerns |
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Difficult installing with occupied spaces |
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Reduce Local Law 11 recurring cost via overcladding - Aesthetic Concernsconcerns
- At odds with historic preservation
- Capital intensive
- Lot Line Limitationsline limitations
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Technology Limitations |
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title | Ventilation |
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Energy Recovery Ventilation (ERV) - Space Constraintsconstraints
- System Tietie-in point accessibility/feasibility
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Rooftop Supply Air (Reznor) Unit Alternatives - Heat Pump Alternatives pump alternatives to eliminate resistance heat
- Combine with ERV
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HVAC Load Reduction (HLR) Technology - Vent or Capture Exhaust Gasescapture exhaust gases
- Space Constraintsconstraints
- System Tietie-in point accessibility/feasibility
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Central vs. Decentralized Ventilation Systems |
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Direct Outside Air System (DOAS) |
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Ventilation Points-of-Entry - Aesthetic Concernsconcerns
- Lot Line Facades/Building Setbacksline facades/building setbacks
- Competition with Leasable Spaceleasable space
- Space Constraintsconstraints
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title | Heat Pump Limitations |
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title | Heat Pump Limitations |
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Variable Refrigerant Flow (VRF) - Fire and Life Safety life safety concerns over about volume of refrigerant gas located withinoccupied within occupied spaces.
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Regulatory Risk risk from new refrigerant policies |
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Ducted Supply/Exhaust Air Source Heat Pumps |
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Domestic Hot Water Central DHW Systems: - Decentralized DHW Systems
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More open-source interconnection between devices/interoperability is needed toachieve to achieve energy distribution flexibility and capacity expansion: - air Air source that has a manifold connection to interconnect with water source orrefrigerant or refrigerant gas distribution
- interconnectivityInterconnectivity/simplified heat exchange between refrigerants/water/air, etc.
- Other optionality options and add-ons
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title | Crossover Device or “Magic Box” Technology |
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title | Crossover Device or “Magic |
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| Box”Technology
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multiMulti-purpose technology for heating, cooling, heat exchange and ventilation, filtration, and/or domestic hot water |
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Domestic production and supply chain is limited |
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Small players operating in this space |
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Technology is not tested over long operational periods - Daikin, Nilan, Zehnder, Drexel und Weiss, Minotair, Build Equinox, ClivetMinotair, Build Equinox, Clivet
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title | Zero Carbon Fuels Limitations |
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title | Zero Carbon Fuel Limitations |
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Renewable Natural Gas |
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title | Low-Carbon Fuels |
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title | Zero Carbon Fuels Limitations
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Renewable Natural Gas |
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title | Renewable Energy Procurement Limitations |
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title | Renewable Energy Procurement Limitations |
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| title | Low-carbon Fuels
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Biofuel | REC Purchasing - NYSERDA monopolizes REC purchasing from renewable energy projects
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Biomethane |
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title | NYS-focused Carbon Offset MarketLimitations |
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title | Renewable Energy Procurement Limitations |
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REC Purchasing - NYSERDA monopolizes REC purchasing from renewable energy projects
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Pending Carbon Trading Programs Limitations |
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| aura-tab | title | Pending Carbon Trading |
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| ProgramsLimitations
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Deployment timeline is highly uncertain |
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Price per ton of carbon is highly uncertain and will likely be volatile/low based onprevious on previous emissions trading scheme outcomes |
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