Ordinance on the Energy Act (Energieverordnung; kEnV) - State of the Art

1. Unless otherwise specified, the state of the art shall be defined by

a) * Standard SIA 180 "Thermal Protection, Moisture Protection, and Indoor Climate in Buildings", Edition 2014;

b) * Standard SIA 380/1 "Heating Energy Demand", Edition 2016;

c) * Standard SIA 380 "Fundamentals for Energy Calculations of Buildings", Edition 2015;

d) * Standard SIA 382/1 "Ventilation and Air Conditioning Systems - General Basics and Requirements", Edition 2014;

e) * Standard SIA 384/1 "Heating Systems in Buildings - Basic Principles and Requirements", Edition 2009;

f) * Standard SIA 384/2 "Heating Systems in Buildings - Performance Requirements", Edition 2020;

g) * Guideline SIA 2024 "Room Utilization Data for Energy and Building Technology", Edition 2021;

h) * EnFK Enforcement Aid EN-131 "Heated Greenhouses", Edition 2017;

i) * EnFK Enforcement Aid EN-132 "Heated Air-Supported Structures", Edition 2017;

j) * Standard SIA 387/4 "Electricity in Buildings - Lighting: Calculation and Requirements", Edition 2017;

k) * Guideline SIA 2028 "Climate Data for Building Physics, Energy, and Building Technology", Edition 2010, with consideration of Corrigenda C1, Edition 2015;

l) * EnFK Enforcement Aid EN-121 "Renovation Obligation for Central Electric Heating Systems", Edition 2017;

m) * EnFK Enforcement Aid EN-122 "Renovation Obligation for Central Electric Water Heaters", Edition 2017;

n) * EnFK Enforcement Aid EN-123 "Renovation Obligation for Decentral Electric Heating Systems", Edition 2017.

1. The definitions according to Art. 1 of the Energy Ordinance as well as Section 1 ("Understanding") of the SIA Standard 380/1 "Heating Energy Demand", edition 2016, apply analogously.

2. Furthermore, the following terms mean

a) * Constructions/Buildings: Artificially created, permanently installed structures, either embedded in the ground or standing upon it, designed to enclose space for the protection of people and objects against external, particularly atmospheric influences, to varying degrees. This also includes movable buildings, provided they require a building permit according to building legislation.

b) Renovations and extensions equivalent to new constructions: This particularly includes gutting of buildings and similar activities, as well as the attachment of structures to existing buildings.

c) Facilities: Artificially created and permanently installed structures that are in a fixed relationship with the ground and do not constitute a building.

d) Equipments and installations (Building Services Engineering): Energy-relevant installations associated with a construction or facility.

e) Energy-relevant renovations: An energy-relevant renovation occurs when constructional changes are made to the thermal insulation perimeter. Surface refreshment or repair work is excluded.

f) Energy-relevant changes of use: An energy-relevant change of use occurs when the temperature difference due to standard use is altered.

g) * Trial run of short duration: A trial run of short duration is defined as a period of no more than 50 hours per year.

1. The requirements pursuant to this regulation apply to

a) New buildings that are heated, ventilated, cooled, or humidified;

b) Renovations and conversions of existing buildings that are heated, ventilated, cooled, or humidified;

c) * New installations of building service systems;

d) Renewal, reconstruction, or alteration of building service systems.

2. Renovations and extensions equivalent to a new building are considered new buildings, except in the case of trivial matters, and must meet the requirements for new buildings.

3. The requirements under this regulation also apply if the measures are not subject to building permit requirements.

4. The competent authority may reduce the requirements in cases of paragraph 1 letters b-d if this better protects a public interest.

1. For each planned energy-related measure, a project verification must be submitted to the competent authority, demonstrating that the energy-related regulations of the federal and cantonal governments are being complied with.

2. No verification is required

a) if the Office for the Environment confirms that the Minergie standard is being met;

b) for measures not subject to building permit requirements.

1. Authorized Private Control Individuals must confirm to the municipality in writing, either on the evidence or through a separate report, that a project

a) complies with the relevant provisions (Project Control);

b) has been executed according to the approved plans and can be operated in compliance with regulations after completion (Execution Control).

2. The municipality shall verify at least ten percent of the evidences and confirmations for their legality. They shall report any irregularities immediately to the Office for the Environment.

1. The requirements for winter thermal insulation of buildings are dictated by the standard SIA 380/1 "Heating Energy Requirement," edition 2016. For cold storage rooms, greenhouses, and air-supported structures, the requirements pursuant to Articles 12 and 13 remain reserved.

2. Proof of sufficient winter thermal insulation can alternatively be provided by

a) * Adherence to individual requirements (individual component verification) for the thermal insulation of the separate parts of the building envelope

1. * For new constructions and new components in renovations and conversions, the requirements according to Tables 2 and 5 of the standard SIA 380/1 "Heating Energy Requirement," edition 2016, apply;

2. * For all components affected by renovation or conversion, the requirements according to Table 3 of the standard SIA 380/1 "Heating Energy Requirement," edition 2016, apply;

b) * Compliance with a system requirement (system verification) in the form of a specific heating energy requirement and a specific heating output as per Table 6 of the standard SIA 380/1 "Heating Energy Requirement," edition 2016. The threshold values for renovations and conversions QH,li,re amount to 150 percent of the threshold values for new constructions. Additionally, for new constructions, a specific heating output requirement of 20 W/m² for building categories I and IV, or 25 W/m² for building categories II and III, must not be exceeded.

3. The system verification for renovations and conversions must encompass all rooms that contain components affected by the renovation or conversion. Rooms not affected by the renovation or conversion may be included in the system verification. The heating energy requirement must not exceed the threshold value demanded in previously issued building permits, whether directly or indirectly through individual requirements.

4. ...

1. Compliance with the requirements for summer thermal protection of buildings must be demonstrated.

2. In cooled rooms or in rooms where cooling is necessary or desired, the requirements for the g-value, control, and wind resistance of sun protection must be met according to the state of the art.

3. In other rooms, the requirements for the g-value of sun protection must be met according to the state of the art.

1. For the system verification, the data from the St. Gallen weather station shall be used. The procedure for adjusting the limit values is regulated in the standard SIA 380/1 "Heating Demand", 2016 edition. The adjustment of the limit value pH,li is made in accordance with the deviation of the design temperature to -8 °C.

2. For individual component verification, climate correction of the limit values in the individual requirements is omitted.

1. Exemptions from the requirements for winter thermal insulation according to Art. 10 may be granted for

a) Constructions that are actively heated to less than 10 °C, excluding refrigerated rooms;

b) Refrigerated rooms that are not actively cooled to below 8 °C;

c) Constructions with a building permit limited to a maximum of 3 years (temporary constructions);

d) * ...

2. Exempt from the requirements for winter thermal insulation according to Art. 10 are conversions that do not result in an increase or decrease in indoor air temperatures and thus do not create a higher temperature difference in the thermal building envelope.

3. Exempt from the requirements for summer thermal insulation according to Art. 10a are

a) Constructions with a building permit limited to a maximum of 3 years (temporary constructions);

b) Conversions that do not create spaces where cooling is necessary or desired;

c) * Projects for which it is demonstrated using a recognized calculation method that there will be no increased energy consumption and comfort is ensured;

d) * Buildings of category XII and rooms not intended for prolonged occupancy (less than one hour per day);

e) * Building components that cannot be equipped for operational reasons.

4. The application for exemption or relief from the requirements must be submitted by the builders to the competent authority before construction begins. The application must be justified.

**1. If a room is cooled to below 8°C, the average heat influx through the surrounding construction elements must not exceed 5 W/m² per temperature zone. The calculation is based on the design temperature of the cooled room and the surrounding temperatures. The surrounding temperature is considered to be:**

a) for heated rooms: the design temperature for heating;

b) for external climate: 20°C;

c) for ground or unheated spaces: 10°C.

**2. The requirements pursuant to paragraph 1 do not apply to cooled rooms with less than 30 m³ of usable volume, whose enclosing construction elements comply with an average U-value of no more than 0.15 W/m²K.**

1. For commercial and agricultural greenhouses where specific growth conditions must be maintained for the cultivation, production, or marketing of plants, the requirements according to the EnFK Implementation Guide EN-131 "Heated Greenhouses," edition 2017, shall apply.

2. For heated air-supported structures, the requirements according to the EnFK Implementation Guide EN-132 "Heated Air-Supported Structures," edition 2017, shall apply.

1. Water heaters as well as hot water and heat storage units, for which no energy requirements exist under federal law, must not fall below the insulation thicknesses specified in Table 1 "Minimum Insulation Thicknesses for On-Site Insulated Storage" of Chapter 8 of the EnFK Implementation Guide EN-103 "Heating and Hot Water," 2020 edition, with respect to all-around thermal insulation.

2. Water heaters are to be designed for an operating temperature of a maximum of 60 °C. Exceptions are water heaters whose temperatures must be higher for operational or hygiene reasons.

3. The new installation or replacement of a direct-electric water heater in residential buildings is permissible if

a) the domestic hot water is heated or preheated during the heating season with the heat generator for space heating; or

b) * at least 50 percent of the domestic hot water is heated using renewable energy sources or waste heat that cannot be otherwise utilized. Electricity from photovoltaic systems is not credited as part of the share of renewable energies.

4. The replacement of a single defective decentralized direct-electric water heater in existing buildings of category I (residential MFH) is permissible.

1. Newly installed boilers powered by fossil fuels with a safety temperature of less than 110°C must be capable of utilizing the condensation heat.

2. Exceptions to this are replacements of systems where the utilization of condensation heat is technically impossible or economically unfeasible.

1. When replacing the heat generator in residential buildings pursuant to Art. 10b para. 1 of the Act, the applicant must demonstrate that

a) the proper implementation of a primary standard solution according to Appendix 8 is ensured; or

b) the proper implementation of two combination standard solutions according to Appendix 8 is ensured; or

c) the building's certification under Minergie is verified; or

d) class C in GEAK's overall energy efficiency is achieved.

2. The requirements must be met with measures at the location.

3. If one of the standard solutions is already fulfilled at the time of the heat generator replacement (e.g., a solar installation of appropriate size is already in place), it can be declared and credited.

4. Individual measures (such as solar installations, thermal insulation, etc.) must be implemented within three years following the replacement of the heat generator.

5. Buildings with mixed use are exempt from the requirements if the residential portion does not exceed 150 m² of EBF.

6. If extraordinary circumstances are claimed, it must be demonstrated to the competent authority that neither any of the six primary standard solutions nor any two of the six combination standard solutions can be realized.

1. New Installations of Fixed Electrical Resistance Heaters Can Be Approved As

a) * Replacement of a Single Defective Fixed Electrical Resistance Heater without a Water Distribution System;

b) Emergency Heating for Heat Pumps for Outdoor Temperatures Below the Design Temperature Determined by the State of the Art;

c) Emergency Heating for Manually Fed Wood Heaters Up to a Performance of 50 Percent of the Power Requirement Calculated According to the State of the Art.

d) * Towel Radiators or Radiant Heaters in Bathrooms.

2. Upon a Well-grounded Request, the New Installation of a Fixed Electrical Resistance Heater or the Replacement of Existing Fixed Electrical Resistance Heaters May Exceptionally Be Approved, If the Affected Building is Remote or Poorly Accessible and the Installation of Another Heating System is Technically Not Feasible, Economically Unreasonable, or Disproportionate Considering the Overall Circumstances. Such Exceptions Can Be Granted For

a) Mountain Railway Stations;

b) Alpine Huts;

c) Mountain Restaurants;

d) Shelters;

e) Temporary Structures;

f) Heating of Individual Workplaces in Inadequately or Unheated Rooms.

1. No deadline exists for central electric resistance heaters that are installed as supplementary heaters to heat pumps or as emergency heaters. When replacing the entire systems or significant parts thereof, particularly the heat pump or the central electric resistance heater, the installation must be adapted to comply with the requirements of the law.

2. Upon a justified request, additional exceptions may be granted if an obligation to renovate is unreasonable.

1. The following applications are exempt from the obligation to renovate

a) Decentralized electric resistance heating systems according to Art. 14b para. 1 lit. b to d and para. 2;

b) Wet rooms and toilet facilities;

c) Buildings with either an installed capacity of no more than 3 kW or with an electrically heated area of less than 50 m² EBF;

d) Churches.

2. Upon a substantiated request, additional exemptions may be granted if the obligation to renovate is deemed unreasonable.

1. The following applications are exempt from the renovation obligation

a) Heat pump boilers;

b) Central direct-electric water heaters supplied with at least 50 percent renewable energy or waste heat, e.g., with a thermal solar system.

1. The supply temperatures for new or replaced heat emission systems must not exceed 50 °C at the relevant design temperature, and 35 °C for underfloor heating systems. Exceptions are hall heating systems using radiant tube heaters and heating systems for greenhouses and similar facilities, provided they demonstrably require a higher supply temperature.

2. The following newly installed systems, including fittings and pumps, either in new buildings or during renovations, must be continuously insulated with at least the insulation thicknesses specified in Table 2 "Minimum Insulation Thicknesses for Heating Distribution Pipes and Hot Water Pipes" of Chapter 9 of the EnFK Implementation Guide EN-103 "Heating and Hot Water", Edition 2020, to prevent heat loss

a) * Heating distribution pipes in unheated rooms and outdoors;

b) * All components of the hot water distribution system kept warm, whether in heated or unheated rooms and outdoors;

c) Hot water pipes of circulation systems or hot water pipes with trace heating in heated rooms;

d) Hot water pipes from the storage tank to the distributor (including the distributor).

3. In justified cases, such as at crossings, wall and ceiling penetrations, with maximum forward temperatures of 30 °C, and for fittings, pumps, etc., insulation thicknesses may be reduced. The specified insulation thicknesses apply for operating temperatures up to 90 °C; for higher operating temperatures, the insulation thicknesses must be appropriately increased.

4. For buried pipes, the UR-values specified in Table 3 "Permissible UR-Values for Buried Pipes" of Chapter 9 of the EnFK Implementation Guide EN-103 "Heating and Hot Water", Edition 2020, must not be exceeded.

5. When replacing the heat generator, freely accessible pipes must be adjusted to meet the requirements as per Section 2, insofar as local space conditions allow.

6. Systems must be installed in heated rooms that allow for the individual setting and automatic regulation of the room air temperature. Exceptions are spaces predominantly heated by slow-response surface heating systems with a supply temperature of no more than 30 °C. In this case, at least one reference room control must be installed per residential or usage unit.

1. Waste heat generated within the building, particularly that from refrigeration as well as from commercial and industrial processes, must be utilized to the extent that it is technically and operationally possible and economically feasible.

1. Ventilation systems with outdoor air and exhaust air must be equipped with heat recovery. The temperature change rate must comply with the state of the art; requirements according to the Energy Efficiency Ordinance remain reserved.

2. Simple exhaust systems in heated rooms must either be equipped with controlled supply of replacement air and heat recovery or the utilization of the exhaust air's heat, provided the exhaust air volume flow exceeds 1,000 m³/h and the operating time exceeds 500 h/a. In this context, several separate simple exhaust systems in the same building are considered as one system. Other solutions are permissible if it is demonstrated with a professional energy consumption calculation that no increased energy consumption occurs.

3. Air velocities must not exceed 2 m/s in appliances, based on the net area, and the following values in the relevant duct section

a) up to 1,000 m³/h: 3 m/s;

b) up to 2,000 m³/h: 4 m/s;

c) up to 4,000 m³/h: 5 m/s;

d) up to 10,000 m³/h: 6 m/s;

e) over 10,000 m³/h: 7 m/s.

4. Air handling systems for rooms or groups of rooms with significantly different uses or operating hours must be equipped with facilities that allow for individual operation.

1. Ducts, pipes, and equipment for ventilation and air conditioning systems must be protected against heat transfer (heat loss and heat absorption) in accordance with the temperature difference in the design case and the thermal conductivity value of the insulation material, as per Section 5.9 of the SIA Standard 382/1 "Ventilation and Air Conditioning Systems - General Principles and Requirements," edition 2014.

2. In justified cases, such as crossings, wall and ceiling penetrations, infrequently used lines with dampers within the thermal envelope area, as well as in cases of space constraints during replacement and renovations, the insulation thickness can be reduced.

1. Air conditioning systems for maintaining comfort in existing buildings shall be implemented such that

a) * the electrical power demand for media distribution and media processing, including any necessary cooling, humidification, dehumidification, and water treatment, does not exceed 12 W/m²; or

b) * the chilled water temperatures and the coefficient of performance for cooling generation are designed according to the state of the art, as well as the planning and operation of any necessary humidification are carried out in accordance with the state of the art.

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1. The weighted annual energy demand for heating, hot water, ventilation, and air conditioning in new constructions must not exceed the value specified in Table 3 "Limit Values of the Weighted Energy Demand for Building Categories I to XII" of the EnFK Implementation Guide EN-101 "Requirements for the Coverage of Heat Demand in New Constructions," Edition 2018.

2. For building categories VI and XI, the requirement applies without considering the demand for hot water. For projects in building categories VI, XI, and XII, at least 20 percent of the energy for water heating must be covered by renewable energies. In projects in building category XII, the use of waste heat from exhaust air, bath, and shower water must be optimized.

3. The requirements must be fulfilled with measures at the location.

1. Calculation of the Weighted Energy Demand for Heating, Hot Water, Ventilation, and Air Conditioning EHWLK in New Buildings involves dividing the Useful Heat Demand for Heating Qh,eff and Hot Water QWW by the Utilization Rates η of the chosen Heat Sources and multiplying by the Weighting Factor g of the energy carriers used, as well as adding the electricity consumption for Ventilation and Air Conditioning ELK, which is also weighted with the corresponding Weighting Factor g.

2. The national weighting factors defined by EnDK apply to the weighting of the energy carriers.

2bis For rooms with ceiling heights over three meters in buildings of categories III-XII, a ceiling height correction can be applied with a reference height of three meters.

2ter Generally, only the high-quality energy supplied to the building for space heating, hot water, ventilation, and air conditioning is included in the energy demand. Usage-dependent process energies are not included in the energy demand.

2quater Electricity from self-generated power is not included in the calculation of the weighted energy demand. Exceptions are electricity from CHP plants.

3. In buildings with mechanical ventilation systems, the effective energy demand for ventilation, including the energy demand for air transport, may be used in the calculation of the heating energy demand. The hygienically necessary outside air volume flow must be ensured (see, for example, Standard SIA 382/1 "Ventilation and Air Conditioning Systems - General Principles and Requirements", Edition 2014). For larger ventilation systems, see EnFK Implementation Guide EN-105 "Ventilation Systems", Edition 2018.

1. The requirement according to Art. 10 of the Act is considered fulfilled if

a) * one of the standard solution combinations of building envelope and heat generation listed in Annex 4 is properly implemented; or

b) * the measures according to the proof using the energy verification tool for simple structures are properly implemented.

1. Exemptions from the Requirements According to Art. 10 of the Law

Structures that are equivalent to new constructions, such as renovations and extensions, are exempt if the newly created usable floor area (UFA)

a) is less than 50 m²; or

b) corresponds to no more than 20 percent of the UFA of the existing building section and does not exceed 1,000 m².

1. The self-generated electricity system installed in, on, or at the building for new constructions must provide at least 10 W per m² of energy reference area (ERA), but never require 30 kW or more. When participating in a communal electricity generation system, at least 30 W per m² of ERA is required; the limitation of 30 kW does not apply.

2. Extensions of existing buildings are exempt from the requirements of section 1 if the newly created ERA

a) is less than 50 m²; or

b) corresponds to at most 20 percent of the ERA of the existing building section and does not exceed 1,000 m².

3. Electricity from combined heat and power (CHP) plants can only be considered if it is not counted towards meeting the requirements for heating demand coverage according to Table 3 "Limit values of weighted energy demand for building categories I to XII" of Chapter 4 of the EnFK Enforcement Aid EN-101 "Requirements for the Coverage of Heating Demand in New Buildings," Edition 2018.

1. New constructions, conversions, and repurposings with a usable floor area (UFA) of more than 1,000 m² must demonstrate compliance with the limits for annual electricity demand for lighting according to the standard SIA 387/4 "Electricity in Buildings - Lighting: Calculation and Requirements," 2017 edition. Residential buildings and parts thereof are excluded.

2. The proof required under paragraph 1 is not necessary if it can be demonstrated using the lighting assistance program of the EnFK that the specification for the specific power pL, determined from the limit or target value according to Table 13 of the standard SIA 387/4 "Electricity in Buildings - Lighting: Calculation and Requirements," 2017 edition, is met.

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1. In the case of surface heating systems in new constructions according to Article 11 of the law, a U-value of no more than 0.7 W/m²K must be maintained for the heated building element between the heat emission and the adjacent usable unit.

1. In buildings and groups of buildings for which there is an obligation to equip, the costs for heat consumption (heating energy and possibly hot water) must be predominantly accounted for based on the measured consumption of the individual use units.

2. ...

1. Exemption from the Equipment and Billing Obligation for Heating Energy Consumption

Buildings and groups of buildings are exempt from the obligation to equip and bill for heating energy consumption if their installed heat generation capacity (including hot water) is less than 20 W/m² GFA (Gross Floor Area).

1. No authorization pursuant to Article 12a of the Law is required for electricity generation facilities if they are operated for emergency power generation, including test runs of short duration.

1. Exemptions from the Requirements of Article 12b of the Law

a) Electricity generation plants, when operated for emergency power generation purposes, including test runs of short duration;

b) Electricity generation plants operated with fossil fuels, if there is neither an existing connection to the public electricity distribution network, nor can one be established at a reasonable cost;

c) Electricity generation plants operated with renewable gaseous fuels, if only a limited proportion of non-agricultural green waste is utilized and there is neither an existing connection to the public gas distribution network, nor can one be established at a reasonable cost.

1. Measures to be implemented based on a consumption analysis are deemed reasonable if they

a) conform to the state of the art;

b) are economically viable over the investment's lifespan;

c) are not associated with significant operational disadvantages.

1. The competent authority may, within the framework of the stipulated objectives pursuant to Article 12f paragraph 1 of the Act, agree on medium and long-term consumption targets with individual or groups of large consumers. In doing so, the efficiency of energy use at the time of establishing the targets and the foreseeable technical and economic development of the consumers shall be considered. The competent authority may revoke the agreement if the consumption targets are not met.

**1. Large Consumers may be exempt from the provisions of this regulation and the law related to the following areas for the duration of the agreement:**

a) *stationary electric resistance heating;*

b) water heaters and thermal storage;

c) heat distribution and emission;

d) waste heat utilization;

e) ventilation systems and their thermal insulation;

f) installations for cooling, humidifying, or dehumidifying;

g) *meeting energy demand;*

g)bis *self-generated electricity;*

h) *heat utilization in electricity generation plants operated with fossil fuels;*

i) limit values for electricity demand;

j) stationary outdoor heating;

k) heated outdoor pools.

1. Large consumers may form groups. They organize themselves and govern the admission and exclusion of members.

2. If large consumers come together, they appoint a joint representation.

3. Withdrawal or exclusion requires the approval of the Office for the Environment.

1. The issuance of building energy certificates is governed by the provisions of the standards issued by the EnDK in their current version.

1. New buildings in categories III to XII (Standard SIA 380/1 "Heating Energy Demand," Edition 2016) with at least 5,000 m² GFA must be equipped with building automation facilities that include monitoring functions. The enforcement is the responsibility of the canton.

1. Promotional Programs Must Include At Least

a) Objectives;

b) Promotional Measures;

c) Target Audience;

d) Conditions for Granting Contributions;

e) Requirements for Application Documents;

f) Amount of Financial Resources to Be Provided;

g) Evaluation Criteria for Their Distribution.

2. The Department of Construction and Economic Affairs Shall Inform in an Appropriate Manner About the Promotional Programs Decided by the Executive Council.

1. If a financial assistance of more than CHF 10,000.- is requested for renovation measures on the building envelope, a valid GEAK Plus of the relevant building category (if available) must be submitted with the contribution application.

2. Exempted are construction projects with a Minergie certificate.

1. Applications must be submitted to the Office for the Environment along with the necessary documentation before commencing a project. Applications that are submitted later will not be considered.

2. The Office for the Environment decides on the applications in the form of an appealable grant commitment. It may attach conditions and requirements to the commitment.

3. If funding contributions are also provided by third parties, the cantonal contribution will be reduced accordingly. Excluded from this are funding contributions from municipalities. The applicant is obliged to indicate any potential funding contributions from third parties.

1. ...

2. Subsidy contributions are granted only within the limits of the available resources. They will be disbursed only after the project has been executed in accordance with the application and properly completed and accepted, and the required documents for the specific case have been submitted.

3. If it is found that there have been minor deviations from the application in the realization of the project, the committed subsidy contribution will be adjusted accordingly. In the case of more significant deviations, the contribution will be forfeited.

1. If, within five years after the disbursement of the grant, one or more conditions for the granting of contributions no longer apply, or if the facility or installation is removed, misused, or decommissioned within this period, the Office for the Environment may demand repayment of the grant from the respective owner.

2. The grant must be repaid by the respective owner in any case if it was obtained through false information or if the owner concealed grants from third parties.

3. This obligation to repay may be recorded in the land register.

1. Any recipient of subsidies is obligated to cooperate with the canton, and in particular, must provide the necessary documents for any potential reporting.

1. The Department of Construction and Economic Affairs shall report to the competent federal office on the promotion programs implemented.

1. This Regulation shall enter into force simultaneously with the Energy Act.