Electricity (Solar Water Heating) Regulations, 2019 (S.I. 235 of 2019)

12. Compliance with other technical, legal and regulatory requirement. FIRST SCHEDULE: Form for application for exemption from solar water heating regulations. SECOND SCHEDULE: Zimbabwe standards. IT is hereby notified that the Minister of Energy and Power Development, in terms of section 65(q) of the Electricity Act [Chapter 13:19] and after consultation with the Zimbabwe Energy Regulatory Authority, has made the following regulations:— Title

1. These regulations may be cited as the Electricity (Solar Water Heating) Regulations, 2019. Objective

2. These regulations are meant to regulate the installation, licensing, operation, repair, maintenance, retrofit and upgrade of solar water heating systems for the production of sanitary hot water to save electricity. 1490 1479 DISTRIBUTED BY VERITAS e-mail: veritas@mango.zw; website: www.veritaszim.net Veritas makes every effort to ensure the provision of reliable information, but cannot take legal responsibility for information supplied. S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 Application

3. (1) These regulations shall apply to all property developers, architects, engineers and users of electricity and users of hot water. (2) These regulations shall not apply to existing premises with electrical geysers. Interpretation

4. In these regulations, unless the context otherwise requires— “active solar water heating system” means a solar water heating system that employs a pump to circulate water through a solar collector to a storage tank or to the point of use; “Authority” means the Zimbabwe Energy Regulatory Authority (ZERA); “carbon finance” means a mechanism that facilitates the financial reward through carbon credits for the reduction of greenhouse gas emissions by emitters in developing countries; “Clean Development Mechanism” means a mechanism that allows emission-reduction projects in developing countries to earn Certified Emission Reduction (CER) credits each equivalent to one tonne of carbon dioxide, which can be traded or sold, or used by industrialised countries to a meet a part of their emission reduction targets under the Kyoto Protocol; “cogeneration” means the production of electricity and heat in one single process for dual output streams; “direct solar water-heating system” means a solar water heating system in which water is heated directly in the collector; “indirect solar water-heating system” means a solar water heating system in which a heat transfer fluid in the collector transfers heat to the water through a heat exchanger; “licensee” means the holder of a licence issued under these regulations; 1480 1489 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 “local authority” means city, town or rural district council and “local authorities” shall be construed accordingly; Item Standard Title “passive solar water heating system” means a solar water Domestic solar water heaters: Part 2: Thermal heating system that employs natural convection to 15 ZWS 1032 Part 2 performance using an indoor method circulate water through a solar collector to a storage The installation, maintenance, replacement tank or to the point of use; 16 ZWS 1031 and repair of fixed electric storage water “premises” means existing, new or alterations and extensions to existing residential or commercial buildings or structures, including— (a) all domestic dwellings or residential houses as defined in the building by-laws made under the Local Authority; (b) commercial buildings including hotels, lodges, clubs, restaurants, cafeterias, laundries, eating places and similar premises; (c) health institutions including hospitals, health centres and clinics and similar medical facilities and; (d) (educational institutions including universities, colleges, boarding schools and similar institutions; “renewable energy” means all non-fossil sources including, biomass, geothermal, small hydro-power, solar, wind, sewage treatment and plant gas; “solar collectors” include evacuated tube collectors, and glazed and unglazed flat plate collectors; “solar water heating system” means a device or system that uses sunlight to heat water and comprises of solar collectors, storage tanks, controls, installation hardware and fittings; “warranty” a written guarantee for a product and declares the maker’s responsibility to repair or replace a defective product or its parts; “Zimbabwe Standard” means the specification or code of practice declared by the Standards Association of Zimbabwe. Supplement to the Zimbabwean Government Gazette dated the 8th November, 2019. Printed by the Government Printer, Harare. 1488 1481 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 SECOND SCHEDULE (Sections 7(1) and 9(1)) Installation and use of solar water heating systems ZIMBABWE STANDARDS

5. Subject to section 3, no owner of the premises after the Item Standard Title effective day of these regulations shall connect electrical geysers but may, 1 ZWS 278:20076 Domestic water heater at his or her own expense, install and use solar water heating systems. 2 ZWS 744:2003 Installation of solar water heaters Exemptions

6. (1) Upon application, the Authority shall exempt from these Solar heating system; Part 2: outdoor test methods for system performance regulations— 3 ZWS ISO 9459:1999 characterisation and yearly performance (a) premises with technical limitations; prediction of solar system (b) premises supplied with hot water from a cogeneration 4 ZWS 278:2006 Collectors of solar water heaters plant in or proximate to the premises; (c) premises utilising electricity generated from renewable Domestic solar water heaters – mechanical 5 ZWS 1017 qualification test energy and the excess is used to heat water as a dump load; or Installation, maintenance, repair and (d) such other premises as the Authority may determine. 6 ZWS 1016 replacement of domestic solar water heating systems (2) An application for an exemption under subsection (1) shall be made to the Authority, in the form set out in the First Schedule, 7 ZWS 1026 Fixed electric storage water heaters before the submission of the building plans for approval to the relevant local authority. 8 ZWS 1025 Domestic storage solar water heating systems (3) The Authority shall process an application for an exemption Corrosion tests in artificial atmospheres – salt within 30 days of receipt thereof, and inform the applicant and the 9 ZWS ISO 9227 spray tests relevant local authority of its decision, in writing. (4) The Authority shall, where it refuses to grant an exemption, Corrosion of metals and alloys – determination give the applicant reasons for the refusal. 10 ZWS ISO 6509 – 1 of dezincification resistance of copper alloys with zinc-Part 1 Test methods Standardisation

7. (1) A person shall not use or employ for the purposes of Energy efficiency for electrical and electronic or in connection with a solar heating system, any mode, material 11 ZWS 1030 apparatus or apparatus other than that which complies with the Zimbabwean Standards specified in the Second Schedule. 12 ZWS 1033 Thermostats for electric storage water heaters (2) A solar collector shall, for the purposes of these regulations, be of the unglazed flat plate, glazed flat plate or evacuated tube Immersion heaters for electric storage water collector technologies or any other type that meets the Zimbabwe 13 ZWS 1027 heaters and international Standards for solar collectors. (3) A glazed, evacuated tube collector or any other type that Domestic solar water heaters Part 1: Thermal 14 ZWS 1032 Part 1 meets the Zimbabwe Standards for collectors shall be used in all performance using outdoor test method 1482 1487 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 installations except in installations for heating swimming pools where (d) the name and registered office of any holding company of the applicant: unglazed collectors may be used. ................................................................................................................ (4) Solar collector panels shall be insulated to improve their ............................................................................................................... thermal efficiency performance.

5. If the applicant is neither a body corporate nor a sole trader, give the name(s) (5) The hot water storage tanks shall be insulated. and address(es) of the person or persons in whom effective control of the (6) All components selected for use in the installation of a applicant rests:............................................................................................... solar water heating system shall be corrosion resistant. ...................................................................................................................... (7) Selection of components for plumbing works in a solar

6. Where any person (other than a person whose name is given at paragraph 2(ii)(d) or paragraph 2(iii) above) holds 20 percent or more of any class water heating system shall be in accordance with the planning and of the shares of the applicant, give the name and address of each such Model Building By-laws made under the Local Authorities. person, specifying in each case the number of shares so held and the percentage of the aggregate number of shares of that class represented Conventional backup water heating system thereby:.......................................................................................................... 8. (1) The backup water heater systems that utilise traditional ....................................................................................................................... fuels, including electricity, gas, or similar fuels, may be separately ...................................................................................................................... installed in buildings or be integrated into the solar heating system

7. Give the Land Reference Number and name and address of the local authority to ensure that there is an adequate supply of hot water at all times where the premises are situated:................................................................... especially during periods of extended cloud cover. ...................................................................................................................... (2) The conventional back-up system shall be designed to ..................................................................................................................... supplement a solar water heating system by operating when absolutely necessary to supply the energy deficit from solar collectors due to

8. The grounds on which the applicant seeks exemption: adverse weather conditions or a solar water heating system defects. ...................................................................................................................... (3) All geysers with an electricity backup to be inhibited from ...................................................................................................................... using electricity during peak hours.

9. Name(s) and designation(s) of person(s) signing the application: Design, installation, repair and maintenance ...................................................................................................................... ..................................................................................................................... 9. (1) The design, installation, repair and maintenance of a solar water heating systems shall be in accordance with the standards

10. Date of application: specified in the Second Schedule. ...................................................................................................................... (2) The design, installation, repair and maintenance of a solar ...................................................................................................................... water heating system shall also be in accordance with the building by-laws made under the respective Local Authority. (3) Solar water heating system technician or contractor shall, upon commissioning a solar heating system, issue an installation certificate, the date of installation, capacity of the solar water heating system, details of the installer and warranty, for the premises. 1486 1483 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 FIRST SCHEDULE (Section 6(2)) Responsibility for compliance Form for Application for Exemption from Solar Water Heating Regulations

10. (1) A developer of a housing estate, a promoter of the APPLICATION FOR EXEMPTION construction, an owner of the premises or an architect or an engineer APPLICATION FOR EXEMPTION FROM THE SOLAR WATER engaged in the design or construction of premises shall comply with HEATING REGULATIONS these regulations. This form must be accompanied with a technical report signed by an expert (2) An owner of premises, architect and an engineer engaged (registered engineer, architect, or technician) explaining why it is not technically in the design, construction, extension or alteration of premises shall viable to have solar water heating system in the premises. incorporate solar water heating systems in all new premises designs GENERAL PARTICULARS and extensions or alterations or retrofitting to existing premises. State (3) An owner or occupier of premises that has a solar water 1. Name and address of applicant in full; in the case of a partnership or other heating system shall use and carry out the necessary operational joint venture (other than a body corporate), give the names and addresses maintenance and repairs required to keep the installation in good and of each party concerned:................................................................................... efficient working condition. ........................................................................................................................... (4) An electric power distributor or supplier shall not provide 2. Name, address and telephone number of person to whom electricity supply to premises where a solar water heating system has correspondence or enquiries concerning the application should be not been installed in accordance with these regulations. directed............................................................................................................. (5) An owner or occupier to whom these regulations apply may 3. State whether the applicant is a public limited company, private limited investigate the inclusion of the relevant solar water heating system into company, overseas company, other body corporate, partnership, unincorporated a project to be registered under any carbon finance mechanism that association, sole trader or other entity (and in the last case give particulars of the legal status):................................................................................................. may be established from time to time including the Clean Development Mechanism (CDM). .......................................................................................................................... (6) A person who contravenes the provisions of this section 4. If the applicant is a body corporate, state— commits an offence and shall be liable to a fine not exceeding level (a) the jurisdiction under which it is incorporated:....................................... 6 or imprisonment for a term not exceeding one year, or to both such ............................................................................................................... fine and such imprisonment. ............................................................................................................... Warranty ...............................................................................................................

11. The installed water heaters shall have a guarantee minimum (b) if applicable, its registered number:....................................................... period of five years failure during this period renders the supplier or installer liable to replacing or repairing the unit at full cost. ............................................................................................................... ............................................................................................................... Compliance with other technical, legal and regulatory requirements (Attach copies of Certificate of Registration, Certificate of Incorporation,

12. The installation of a solar water heating system in premises Memorandum and/or Articles of Association where applicable). shall comply with all other relevant technical, legal and regulatory (c) the full names and addresses of its current directors:................. .......... requirements applicable in Zimbabwe. ............................................................................................................... ................................................................................................................ 1484 1485 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 FIRST SCHEDULE (Section 6(2)) Responsibility for compliance Form for Application for Exemption from Solar Water Heating Regulations

10. (1) A developer of a housing estate, a promoter of the APPLICATION FOR EXEMPTION construction, an owner of the premises or an architect or an engineer APPLICATION FOR EXEMPTION FROM THE SOLAR WATER engaged in the design or construction of premises shall comply with HEATING REGULATIONS these regulations. This form must be accompanied with a technical report signed by an expert (2) An owner of premises, architect and an engineer engaged (registered engineer, architect, or technician) explaining why it is not technically in the design, construction, extension or alteration of premises shall viable to have solar water heating system in the premises. incorporate solar water heating systems in all new premises designs GENERAL PARTICULARS and extensions or alterations or retrofitting to existing premises. State (3) An owner or occupier of premises that has a solar water 1. Name and address of applicant in full; in the case of a partnership or other heating system shall use and carry out the necessary operational joint venture (other than a body corporate), give the names and addresses maintenance and repairs required to keep the installation in good and of each party concerned:................................................................................... efficient working condition. ........................................................................................................................... (4) An electric power distributor or supplier shall not provide 2. Name, address and telephone number of person to whom electricity supply to premises where a solar water heating system has correspondence or enquiries concerning the application should be not been installed in accordance with these regulations. directed............................................................................................................. (5) An owner or occupier to whom these regulations apply may 3. State whether the applicant is a public limited company, private limited investigate the inclusion of the relevant solar water heating system into company, overseas company, other body corporate, partnership, unincorporated a project to be registered under any carbon finance mechanism that association, sole trader or other entity (and in the last case give particulars of the legal status):................................................................................................. may be established from time to time including the Clean Development Mechanism (CDM). .......................................................................................................................... (6) A person who contravenes the provisions of this section 4. If the applicant is a body corporate, state— commits an offence and shall be liable to a fine not exceeding level (a) the jurisdiction under which it is incorporated:....................................... 6 or imprisonment for a term not exceeding one year, or to both such ............................................................................................................... fine and such imprisonment. ............................................................................................................... Warranty ...............................................................................................................

11. The installed water heaters shall have a guarantee minimum (b) if applicable, its registered number:....................................................... period of five years failure during this period renders the supplier or installer liable to replacing or repairing the unit at full cost. ............................................................................................................... ............................................................................................................... Compliance with other technical, legal and regulatory requirements (Attach copies of Certificate of Registration, Certificate of Incorporation,

12. The installation of a solar water heating system in premises Memorandum and/or Articles of Association where applicable). shall comply with all other relevant technical, legal and regulatory (c) the full names and addresses of its current directors:................. .......... requirements applicable in Zimbabwe. ............................................................................................................... ................................................................................................................ 1484 1485 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 installations except in installations for heating swimming pools where (d) the name and registered office of any holding company of the applicant: unglazed collectors may be used. ................................................................................................................ (4) Solar collector panels shall be insulated to improve their ............................................................................................................... thermal efficiency performance.

5. If the applicant is neither a body corporate nor a sole trader, give the name(s) (5) The hot water storage tanks shall be insulated. and address(es) of the person or persons in whom effective control of the (6) All components selected for use in the installation of a applicant rests:............................................................................................... solar water heating system shall be corrosion resistant. ...................................................................................................................... (7) Selection of components for plumbing works in a solar

6. Where any person (other than a person whose name is given at paragraph 2(ii)(d) or paragraph 2(iii) above) holds 20 percent or more of any class water heating system shall be in accordance with the planning and of the shares of the applicant, give the name and address of each such Model Building By-laws made under the Local Authorities. person, specifying in each case the number of shares so held and the percentage of the aggregate number of shares of that class represented Conventional backup water heating system thereby:.......................................................................................................... 8. (1) The backup water heater systems that utilise traditional ....................................................................................................................... fuels, including electricity, gas, or similar fuels, may be separately ...................................................................................................................... installed in buildings or be integrated into the solar heating system

7. Give the Land Reference Number and name and address of the local authority to ensure that there is an adequate supply of hot water at all times where the premises are situated:................................................................... especially during periods of extended cloud cover. ...................................................................................................................... (2) The conventional back-up system shall be designed to ..................................................................................................................... supplement a solar water heating system by operating when absolutely necessary to supply the energy deficit from solar collectors due to

8. The grounds on which the applicant seeks exemption: adverse weather conditions or a solar water heating system defects. ...................................................................................................................... (3) All geysers with an electricity backup to be inhibited from ...................................................................................................................... using electricity during peak hours.

9. Name(s) and designation(s) of person(s) signing the application: Design, installation, repair and maintenance ...................................................................................................................... .....................................................................................................................

9. (1) The design, installation, repair and maintenance of a solar water heating systems shall be in accordance with the standards

10. Date of application: specified in the Second Schedule. ...................................................................................................................... (2) The design, installation, repair and maintenance of a solar ...................................................................................................................... water heating system shall also be in accordance with the building by-laws made under the respective Local Authority. (3) Solar water heating system technician or contractor shall, upon commissioning a solar heating system, issue an installation certificate, the date of installation, capacity of the solar water heating system, details of the installer and warranty, for the premises. 1486 1483 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 SECOND SCHEDULE (Sections 7(1) and 9(1)) Installation and use of solar water heating systems ZIMBABWE STANDARDS

5. Subject to section 3, no owner of the premises after the Item Standard Title effective day of these regulations shall connect electrical geysers but may, 1 ZWS 278:20076 Domestic water heater at his or her own expense, install and use solar water heating systems. 2 ZWS 744:2003 Installation of solar water heaters Exemptions

6. (1) Upon application, the Authority shall exempt from these Solar heating system; Part 2: outdoor test methods for system performance regulations— 3 ZWS ISO 9459:1999 characterisation and yearly performance (a) premises with technical limitations; prediction of solar system (b) premises supplied with hot water from a cogeneration 4 ZWS 278:2006 Collectors of solar water heaters plant in or proximate to the premises; (c) premises utilising electricity generated from renewable Domestic solar water heaters – mechanical 5 ZWS 1017 qualification test energy and the excess is used to heat water as a dump load; or Installation, maintenance, repair and (d) such other premises as the Authority may determine. 6 ZWS 1016 replacement of domestic solar water heating systems (2) An application for an exemption under subsection (1) shall be made to the Authority, in the form set out in the First Schedule, 7 ZWS 1026 Fixed electric storage water heaters before the submission of the building plans for approval to the relevant local authority. 8 ZWS 1025 Domestic storage solar water heating systems (3) The Authority shall process an application for an exemption Corrosion tests in artificial atmospheres – salt within 30 days of receipt thereof, and inform the applicant and the 9 ZWS ISO 9227 spray tests relevant local authority of its decision, in writing. (4) The Authority shall, where it refuses to grant an exemption, Corrosion of metals and alloys – determination give the applicant reasons for the refusal. 10 ZWS ISO 6509 – 1 of dezincification resistance of copper alloys with zinc-Part 1 Test methods Standardisation

7. (1) A person shall not use or employ for the purposes of Energy efficiency for electrical and electronic or in connection with a solar heating system, any mode, material 11 ZWS 1030 apparatus or apparatus other than that which complies with the Zimbabwean Standards specified in the Second Schedule. 12 ZWS 1033 Thermostats for electric storage water heaters (2) A solar collector shall, for the purposes of these regulations, be of the unglazed flat plate, glazed flat plate or evacuated tube Immersion heaters for electric storage water collector technologies or any other type that meets the Zimbabwe 13 ZWS 1027 heaters and international Standards for solar collectors. (3) A glazed, evacuated tube collector or any other type that Domestic solar water heaters Part 1: Thermal 14 ZWS 1032 Part 1 meets the Zimbabwe Standards for collectors shall be used in all performance using outdoor test method 1482 1487 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 “local authority” means city, town or rural district council and “local authorities” shall be construed accordingly; Item Standard Title “passive solar water heating system” means a solar water Domestic solar water heaters: Part 2: Thermal heating system that employs natural convection to 15 ZWS 1032 Part 2 performance using an indoor method circulate water through a solar collector to a storage The installation, maintenance, replacement tank or to the point of use; 16 ZWS 1031 and repair of fixed electric storage water “premises” means existing, new or alterations and extensions to existing residential or commercial buildings or structures, including— (a) all domestic dwellings or residential houses as defined in the building by-laws made under the Local Authority; (b) commercial buildings including hotels, lodges, clubs, restaurants, cafeterias, laundries, eating places and similar premises; (c) health institutions including hospitals, health centres and clinics and similar medical facilities and; (d) (educational institutions including universities, colleges, boarding schools and similar institutions; “renewable energy” means all non-fossil sources including, biomass, geothermal, small hydro-power, solar, wind, sewage treatment and plant gas; “solar collectors” include evacuated tube collectors, and glazed and unglazed flat plate collectors; “solar water heating system” means a device or system that uses sunlight to heat water and comprises of solar collectors, storage tanks, controls, installation hardware and fittings; “warranty” a written guarantee for a product and declares the maker’s responsibility to repair or replace a defective product or its parts; “Zimbabwe Standard” means the specification or code of practice declared by the Standards Association of Zimbabwe. Supplement to the Zimbabwean Government Gazette dated the 8th November, 2019. Printed by the Government Printer, Harare. 1488 1481 S.I. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 Application

3. (1) These regulations shall apply to all property developers, architects, engineers and users of electricity and users of hot water. (2) These regulations shall not apply to existing premises with electrical geysers. Interpretation

4. In these regulations, unless the context otherwise requires— “active solar water heating system” means a solar water heating system that employs a pump to circulate water through a solar collector to a storage tank or to the point of use; “Authority” means the Zimbabwe Energy Regulatory Authority (ZERA); “carbon finance” means a mechanism that facilitates the financial reward through carbon credits for the reduction of greenhouse gas emissions by emitters in developing countries; “Clean Development Mechanism” means a mechanism that allows emission-reduction projects in developing countries to earn Certified Emission Reduction (CER) credits each equivalent to one tonne of carbon dioxide, which can be traded or sold, or used by industrialised countries to a meet a part of their emission reduction targets under the Kyoto Protocol; “cogeneration” means the production of electricity and heat in one single process for dual output streams; “direct solar water-heating system” means a solar water heating system in which water is heated directly in the collector; “indirect solar water-heating system” means a solar water heating system in which a heat transfer fluid in the collector transfers heat to the water through a heat exchanger; “licensee” means the holder of a licence issued under these regulations; 1480 1489 Statutory Instrument 235 of S.I.2019. 235 of 2019 Electricity (Solar Water Heating) Regulations, 2019 [CAP. 13:19 Electricity (Solar Water Heating) Regulations, 2019 ARRANGEMENT OF SECTIONS Section

1. Title.

2. Objective.

3. Application.

4. Interpretation.

5. Installation and use of solar water heating systems.

6. Exemptions.

7. Standardisation.

8. Conventional backup water heating system.

9. Design, installation, repair and maintenance.

10. Responsibility for compliance.

11. Warranty.

12. Compliance with other technical, legal and regulatory requirement.

FIRST SCHEDULE: Form for application for exemption from solar water heating regulations.

SECOND SCHEDULE: Zimbabwe standards. IT is hereby notified that the Minister of Energy and Power Development, in terms of section 65(q) of the Electricity Act [Chapter 13:19] and after consultation with the Zimbabwe Energy Regulatory Authority, has made the following regulations:— Title 1. These regulations may be cited as the Electricity (Solar Water Heating) Regulations, 2019. Objective 2. These regulations are meant to regulate the installation, licensing, operation, repair, maintenance, retrofit and upgrade of solar water heating systems for the production of sanitary hot water to save electricity. 1490 1479