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Interventions and Expected Results

The principal actions that are going to be performed to improve the energy efficiency in the district are:

  1. Complete renovation of the façade to increase the thermal insulation (Composite System-ETICS, ventilated façade), decontaminating photocatalytic additives, curtain walls in lateral façade balconies, substitution of current ceramic latticework, etc. This actuation will be based on a cost-effective solution that fits with the ESCO business model.
  2. Deployment of a new District Heating concept, to cover the demand optimizing the production of thermal energy by means of a mix of energy sources. The use of renewables must be maximized with the biomass-boiler system, that improves energy efficiency, stabilize prices and reduce CO2 emissions.
  3. Individual thermal consumptions of each building are going to be considered on the District Heating control system, with the aim of making a better adjustment of production to consumption. Thermal consumptions of each individual dwelling from the building are going to be considered as well.
  4. A new pumping system based on variable flows is going to be installed, that will allow to make an appropriate balance load to adjust production to demands.
  5. To reflect all these interventions, a new control system is going to be implemented in the overall district, with the aim to improve the management and efficiency of the installation.
  6. A Combined Heat and Power facility will be installed, for self-consumption, with appropriate smart grid elements to make an adequate control.
  7. Smart Grid will be managed based on a platform that will agglutinate information extracted from houses, buildings and districts creating a unique Smart Grid scenario containing all the flows of information (thermal and electrical) of the different devices. This platform will manage existing loads, cogeneration and storage systems within the district scenario.
  8. Advanced HMI (Human Machine Interface) for devices close to the users such as TV, tablets or smartphones will be developed, with the aim of improving users’ awareness about energy efficiency and energy savings.
  9. Electric Vehicle recharging points will also be installed in selected parking areas.

Energy efficiency measures

  • Façade renovation
  • New district heating (Biomass)
  • New pumping system
  • Combined heat and power facility
  • Smart grid
  • Monitoring platform

 

Table of Expected Results

EXPECTED THERMAL ENERGY CONSUMPTION

EXISTING

SAVING

Thermal Energy produced by gas

2,216 MWh/yr

15,82 kWh/m2yr

127,15 kWh/m2yr

37%

Thermal Energy produced by biomass

8,907 MWh/yr

63,62 kWh/m2yr

Electricity Energy associated

79 MWh/yr

0,56 kWh/m2yr

EXPECTED THERMAL ENERGY CONSUMPTION BY USE

EXISTING

SAVING

Total Thermal Energy Consumption

11,202 MWh/yr

80,02 kWh/m2yr

127,15 kWh/m2yr

37%

Heating

6,598 MWh/yr

47,13 kWh/m2yr

94,26 kWh/m2yr

50%

Domestic Heat Water

4,604 MWh/yr

32,89 kWh/m2yr

32,89 kWh/m2yr

0%

EXPECTED CO2 EMISSIONS

EXISTING

SAVING

By Gas

191 tCO2/year

3,583 tCO2/year

94%

By electricity associated to District H.

21 tCO2/year

58 tCO2/year

63%