Energy Summit 2018 Next Generation District Energy Systems - PowerPoint PPT Presentation

Energy Summit 2018 Next Generation District Energy Systems Presented By: Vladimir Mikler, MSc, P.Eng, LEED AP – Principal, Innovation Director May 30-31st, 2018 I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

TRADITIONAL DISTRICT ENERGY SYSTEMS Heating-Only Systems Traditional DES = “District Heating Systems” (DHS) • o Central Heating only or Co-Generation Plant o Combustion of Fossil or Biofuels o Steam or Hot Water distribution network • DHS “Generations” –as defined by EU’s SETIS (Strategic Energy Technologies Information System) o 1 st Generation – steam o 2 nd Generation – high pressure & high temp. water (>100C/ 212F) o 3 rd Generation – high temp. water (<100C/ 212F) o 4 th Generation – low temp. water (<60C/ 140F) Limitations of Traditional DES • o Dependence on Combustion o Not easily adapted to “low-grade” energy sources o Low-temp Waste Heat Recovery o Renewables I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS New Context Carbon Emissions & Climate Change • • Goal to Transition to a Low-Carbon Society Shift towards: • • Energy Demand Reduction • Renewable Energy Sources • Elimination of Combustion • Low-Carbon Electricity Generation • Efficient Electric Technologies Increased Demand for Cooling • I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Recent Trends – Zero Carbon I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Recent Trends – Cleaning Electric Grid • Electric Grid Modernization, “Smart Grid”, “Micro Grid” • • Clean Energy & Resilience Cost of Electricity $$$ vs. Fossil Fuels $ • • Efficient Electric Thermal Energy Conversion Technologies I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

ENERGY USABILITY - EXERGY Finding an Optimal Match: Energy Source – Conversion Technology – End Use Energy Form Nuclear Electricity o o Fossil Fuels o Steam High-Ex /Quality o • Oil High Pressure & High o • Natural Gas Temp Hot Water • Coal (> 100 C) Low-Carbon Energy Sources Hydrogen o Biomass o And Technology Biogas (RNG) o Bio-Diesel o High-Temp Thermal o Combustible MSW District DES (60 – 100 C) o Energy Compatible Deep Earth High-Tem Geo o System End-use Distribution building Low-Ex /Quality Solar (and derivatives) o Network systems • Hydro • Wind Low-Temp Thermal o • Earth Source (< 60 C) Low-Grade Waste Heat o Recovery Energy Source End-use Energy Form I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Heat Pump Technologies • Electric Refrigeration Based Technology “Moves” Thermal Energy from Lower to Higher Temperature • Level Air-Source, Water-Source • • Unitary, Modular Single-stage, Two-stage Temperature Lift • • More Costly $$$$ than Combustion Heating Technologies I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Low-Exergy Heat Sources & Sinks • Geo-Exchange Source/ Sink Options • Open Loop (Groundwater or Surface Water) • Ocean or Lake Water Source • Closed Loop (Vertical or Horizontal) • Geo-Energy Piles • Vertical Geo-Exchange Loops integrated into Structural Piles Sewer Heat Recovery • • Vertical Geo-Exchange Loops integrated into Structural Piles I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS 5 th Generation Low-Exergy Heating & Cooling DES (Low-Ex DES) Centralized Distributed High Exergy Centralized Distributed High Exergy High Exergy Low Exergy Centralized Distributed Low Exergy Low Exergy I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Example of Centralized Low-Ex DES I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Example of Centralized Low-Ex DES – YVR CORE I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Example of Centralized Low-Ex DES - Oakridge I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Example of Distributed Modular Low-Ex DES I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Example of Distributed Modular Low-Ex DES Cooling Dominant Mode Heating Dominant Mode I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Whistler Olympic Village – Original “Ambient Loop” Concept I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Vancouver, BC Downtown – DFPS Conversion into “Ambient Loop” Concept I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Selecting Centralized vs. Distributed 5 th Generation Low-Ex DES Centralized Low-Ex DES Distributed Low-Ex DES • Single Central Energy Plant • Multiple Building-level Energy Plants • Plant capacity downsized based on demand • Building-level plant capacities sized for each diversity building demand • 4-pipe DES (CHW and HW S&R) • Modular & Expandable via interconnected 2-pipe “Ambient Temp Loop” DES • Insulated Piping • Non- Insulated HDPE Piping • Best Suited for: • Best Suited for: • Compact developments with short piping distribution network • Large or dispersed development areas requiring extensive piping distribution • Developments completed in the same network timeframe • Developments completed over extended timeframe I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

NEXT GENERATIONS DISTRICT ENERGY SYSTEMS Future 6 th Generation Multi-Energy DES High-Ex Low-Ex I N T EG R A L imagine | accelerate | perform | sustain Revolutionary Engineering

Questions ? Thank You I N T EG R A L I N T EG R A L imagine | accelerate | perform | sustain imagine | accelerate | perform | sustain Revolutionary Engineering Revolutionary Engineering