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Passive House and Renewables

Andrew Michler
Andrew Michler

A path to a decarbonized grid for our buildings using the Passive House Primary Energy Renewables metric.

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PRIMARY ENERGY RENEWABLE A PATH TO A DECARBONIZED GRID FOR OUR BUILDINGS USING PASSIVE HOUSE Andrew Michler CPHC Baosol Design
It starts with Passive House reducing energy demand on average by 80% based on primary (source) energy demand From Passivhaus Institut
The new Passive House baseline for energy demand is built on the Primary Energy Renewable or PER factor. Multiply it by the building load to determine total energy needed This number is regionally derived for potential renewable capacity, storage and transmission.
PER is applied regionally broken down by demand
Lets look at heating current baseline of 700 global sites
How to integrate PER From Passivhaus Institut
A new standard to integrate it all
Using the PER Factor for buildings and cities ( not net zero at site! ) Illustration Bronwyn Barry CPHD
Success for decarbonization is in matching production with consumption as much in real time (load management) Harder to match renewable production in heating dominated climates (why heating reduction is prioritized for seasonal capacity) Storage the most expensive option and suffers from largest energy losses (the longer the transition from production to consumption the more losses incurred) Certification for Plus and Premium take into account density for urban conditions (no artificial boundaries in RE)
A carbon free grid for buildings is viable with basic principles. 1 Reduce. 2 Produce. 3 Store. 4 Use.
1.41 kBTU sq/ft a year calculated for heating 2.5 kWHrs a day total electrical consumption with battery+solar 150 gallons propane a year for hot water and space heat

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Passive House and Renewables

  • 1. PRIMARY ENERGY RENEWABLE A PATH TO A DECARBONIZED GRID FOR OUR BUILDINGS USING PASSIVE HOUSE Andrew Michler CPHC Baosol Design
  • 2. It starts with Passive House reducing energy demand on average by 80% based on primary (source) energy demand From Passivhaus Institut
  • 3. The new Passive House baseline for energy demand is built on the Primary Energy Renewable or PER factor. Multiply it by the building load to determine total energy needed This number is regionally derived for potential renewable capacity, storage and transmission.
  • 4. PER is applied regionally broken down by demand
  • 5. Lets look at heating current baseline of 700 global sites
  • 6. How to integrate PER From Passivhaus Institut
  • 7. A new standard to integrate it all
  • 8. Using the PER Factor for buildings and cities ( not net zero at site! ) Illustration Bronwyn Barry CPHD
  • 9. Success for decarbonization is in matching production with consumption as much in real time (load management) Harder to match renewable production in heating dominated climates (why heating reduction is prioritized for seasonal capacity) Storage the most expensive option and suffers from largest energy losses (the longer the transition from production to consumption the more losses incurred) Certification for Plus and Premium take into account density for urban conditions (no artificial boundaries in RE)
  • 10. A carbon free grid for buildings is viable with basic principles. 1 Reduce. 2 Produce. 3 Store. 4 Use.
  • 11. 1.41 kBTU sq/ft a year calculated for heating 2.5 kWHrs a day total electrical consumption with battery+solar 150 gallons propane a year for hot water and space heat