Leanheatby Danfoss

Demand Side Management forDistrict Heating using Cloud Based AI

Lauri Leppä, CTOlauri.leppa@danfoss.com

THIS YEAR IN

150 000APARTMENTS

Fast-growing Finnish tech-company going global

2011›Leanheat concept

development starts

2014›Data collection

starts

›First Leanheat pilots begin

2015›First data

processing AI-models are created

2016›Strategic

partnership with

Danfossstarts

2019›Over 100 000

connected homes

›2500 substations in real time control

Timeline

0

50 000

100 000

150 000

200 000

2013 2014 2015 2016 2017 2018 2019

Number of connected Leanheat-apartments

AI-controlled buildingTraditional building

Leanheat AI makes every apartment building smart

Leanheat saves 7% of energy while maintaining indoor comfort

-20%

-10%

0%

10%

20%

30%

40%

50%

Yearly weather compensated energy savings in 100 000 apartments

Energy savings Average

Predictive Peak Power Optimization cuts peak demand by 20%

24H TOTAL POWERTRADITIONAL CONTROL

24H TOTAL POWERLEANHEAT CONTROL

DHW Space heating DHW Space heatingOptimized power peaks

Leanheat can be integrated with production optimization software for best results

Joustokapasiteettikysely

Command to Execute Flexibility

Execution and Reporting of Realized Flexibility

JoustokapasiteettikyselyJoustokapasiteettikyselyAvailable Flexibility Request

Phase 1:Request availability

Phase 2:Command to execute

Phase 3:Control

REAL-TIMEEND-TO-END

OPTIMIZATION

E.G. ECL310

Building substation

Leanheat Demand Side Management is up and running in multiple cities around Finland

Light implementation

Scale: 41 buildings (1077 apts.)

since 2018

Method: Local Continuous Peak Power Optimization

Medium implementation

Scale: 50 buildings (1600 apts.)

since 2019

Method: Network Level Load Balancing

Full implementation

Scale: 300 buildings (15 000 apts.) since 2017

Method: End-To-End Optimization

Demand Side Management in Copenhagen with HOFOR

Objective: Create a totally flat daily power profile

Scale: 10 buildings (2018-2019)

Result: 85 % of theoretical maximum reduction

Leanheat is hardware independent and supports open standards

Wireless sensor Wireless sensor Wireless sensorApartments(optional)

Substation Heating controllerParameters

from substationHeating valve

Internet Leanheat Cloud

Weather information provider

Energy consumption provider

Load shifting instruction provider

Other external integrations

Supported room sensors:

Supported heating controllers: