# The Domestic Renewable Heat Incentive Scheme (Amendment) Regulations 2017, Schedule


“SCHEDULE 5
Tariffs
Regulations 34, 35 and 37
Tariffs
Tariff category
Tariff (pence/kWh)
Biomass plants
6.54
Air source heat pumps
10.18
Ground source heat pumps
19.86
Solar thermal plants
20.06
SCHEDULE 6
Expenditure for individual technologies
Regulation 36
PART 1
Biomass plants
Table 1
Assessment date
Expenditure threshold
Growth threshold
Super expenditure threshold
Super growth threshold
30th April 2017
£46.76m
£1.07m
£51.62m
£1.58m
31st July 2017
£47.83m
£1.07m
£53.20m
£1.58m
31st October 2017
£48.90m
£1.07m
£54.79m
£1.59m
31st January 2018
£49.98m
£1.08m
£56.39m
£1.60m
30th April 2018
£51.07m
£1.09m
£57.99m
£1.60m
31st July 2018
£52.28m
£1.20m
£59.71m
£1.72m
31st October 2018
£53.49m
£1.21m
£61.44m
£1.73m
31st January 2019
£54.71m
£1.22m
£63.18m
£1.74m
30th April 2019
£55.94m
£1.23m
£64.92m
£1.74m
31st July 2019
£57.18m
£1.24m
£66.68m
£1.76m
31st October 2019
£58.42m
£1.25m
£68.44m
£1.76m
31st January 2020
£59.68m
£1.26m
£70.21m
£1.77m
30th April 2020
£60.94m
£1.26m
£71.99m
£1.78m
31st July 2020
£62.23m
£1.29m
£73.80m
£1.81m
31st October 2020
£63.53m
£1.29m
£75.61m
£1.81m
Any date after 30th January 2021
£64.82m
£1.29m
£77.42m
£1.81m
PART 2
Air source heat pumps
Table 2
Assessment date
Expenditure threshold
Growth threshold
Super expenditure threshold
Super growth threshold
30th April 2017
£22.83m
£3.16m
£39.70m
£4.96m
31st July 2017
£25.99m
£3.16m
£44.66m
£4.96m
31st October 2017
£29.18m
£3.19m
£49.65m
£4.99m
31st January 2018
£32.41m
£3.22m
£54.66m
£5.02m
30th April 2018
£35.66m
£3.25m
£59.71m
£5.05m
31st July 2018
£38.98m
£3.31m
£64.82m
£5.11m
31st October 2018
£42.33m
£3.35m
£69.97m
£5.14m
31st January 2019
£45.71m
£3.38m
£75.14m
£5.18m
30th April 2019
£49.12m
£3.41m
£80.35m
£5.21m
31st July 2019
£52.56m
£3.44m
£85.59m
£5.24m
31st October 2019
£56.04m
£3.47m
£90.86m
£5.27m
31st January 2020
£59.54m
£3.51m
£96.16m
£5.30m
30th April 2020
£63.08m
£3.54m
£101.49m
£5.33m
31st July 2020
£66.63m
£3.55m
£106.84m
£5.35m
31st October 2020
£70.19m
£3.55m
£112.19m
£5.35m
Any date after 30th January 2021
£73.74m
£3.55m
£117.54m
£5.35m
PART 3
Ground source heat pumps
Table 3
Assessment date
Expenditure threshold
Growth threshold
Super expenditure threshold
Super growth threshold
30th April 2017
£16.30m
£1.27m
£23.26m
£2.01m
31st July 2017
£17.57m
£1.27m
£25.27m
£2.01m
31st October 2017
£18.85m
£1.28m
£27.29m
£2.02m
31st January 2018
£20.14m
£1.29m
£29.33m
£2.03m
30th April 2018
£21.44m
£1.30m
£31.37m
£2.05m
31st July 2018
£22.79m
£1.34m
£33.46m
£2.08m
31st October 2018
£24.14m
£1.36m
£35.55m
£2.10m
31st January 2019
£25.51m
£1.37m
£37.66m
£2.11m
30th April 2019
£26.89m
£1.38m
£39.79m
£2.12m
31st July 2019
£28.29m
£1.39m
£41.92m
£2.13m
31st October 2019
£29.69m
£1.41m
£44.07m
£2.15m
31st January 2020
£31.11m
£1.42m
£46.22m
£2.16m
30th April 2020
£32.54m
£1.43m
£48.39m
£2.17m
31st July 2020
£33.98m
£1.44m
£50.57m
£2.18m
31st October 2020
£35.42m
£1.44m
£52.75m
£2.18m
Any date after 30th January 2021
£36.86m
£1.44m
£54.93m
£2.18m
PART 4
Solar thermal plants
Table 4
Assessment date
Expenditure threshold
Growth threshold
Super expenditure threshold
Super growth threshold
30th April 2017
£2.21m
£0.28m
£4.64m
£0.51m
31st July 2017
£2.49m
£0.28m
£5.15m
£0.51m
31st October 2017
£2.77m
£0.28m
£5.67m
£0.52m
31st January 2018
£3.06m
£0.29m
£6.19m
£0.52m
30th April 2018
£3.35m
£0.29m
£6.71m
£0.52m
31st July 2018
£3.65m
£0.30m
£7.24m
£0.53m
31st October 2018
£3.95m
£0.30m
£7.77m
£0.53m
31st January 2019
£4.25m
£0.30m
£8.31m
£0.54m
30th April 2019
£4.56m
£0.31m
£8.85m
£0.54m
31st July 2019
£4.87m
£0.31m
£9.39m
£0.54m
31st October 2019
£5.18m
£0.31m
£9.94m
£0.55m
31st January 2020
£5.50m
£0.32m
£10.49m
£0.55m
30th April 2020
£5.82m
£0.32m
£11.04m
£0.55m
31st July 2020
£6.13m
£0.32m
£11.59m
£0.55m
31st October 2020
£6.45m
£0.32m
£12.14m
£0.55m
Any date after 30th January 2021
£6.76m
£0.32m
£12.68m
£0.55m
”

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Source: https://www.legislation.gov.uk/ukdsi/2017/9780111156353/schedule (the official version)
Page: https://openlegislation.uk/draft-domestic-renewable-heat-incentive-scheme-amendment-regulations-2017/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.