Jenny Hill Profile picture
Co-head of climate analysis @HMTreasury; ex @thecccuk. All opinions mine, or someone else's.
Aug 12, 2021 4 tweets 2 min read
We often get asked what the costs of heat pumps are. Thought I'd share this great chart from @elementenergy which breaks down household costs in our scenarios.

Kit-wise, ASHP (air source heat pump) is on average £6.5k now- including a hot water cylinder/storage adds £1k... ... And there are then a number of one-off costs, which could include decommissioning gas appliances and upgrading radiators. This brings it up to around £10k now on average if you need those.

Future replacement by next cycle could then be ~£6k for heat pump and cylinder.
Jul 16, 2021 11 tweets 5 min read
New report from @NAOorguk out today on Local Authorities and #NetZero, with some interesting findings, particularly on funding streams. A thread 👇 First, a few stats. Fully 91% of 333 authorities have now set some form of #NetZero target.

And 20-21 saw grant funding levels jump to £1.2B from just £74m in 19-20 -- though fragmented across 21 separate grant schemes. (2/n)
Jul 8, 2019 8 tweets 5 min read
My quick THREAD 👇 on a few developments in buildings which you might have missed, but which *could* be transformational.

Covering #PAS2035, a few gems from the #GreenFinanceStrategy and the forthcoming electrification demonstrator... (1/8) 1. Last week's Govt Green Finance Strategy contains some stuff which would have been in the 2018 Energy Efficiency Action Plan. BEIS & HMT commit to consult on measures to get mortgage lenders to disclose the *average performance* across their portfolio -cf 🚗fleet average (2/8)
Feb 26, 2019 5 tweets 2 min read
📣📣 2 common misconceptions in (fairly decent) coverage of our #housing report.
1. We are only talking about NEW homes not connecting to gas grid. This is technology-neutral
2. Heat pumps do not cost 25k. That's a cost of retrofitting to EPC A / zero carbon homes spec... (1/5) ... which as we state, in practice you'd probably just not do. It's a thought experiment to show the benefit of designing more efficient ultra-low energy bill homes from the start for ~5k. A one time opportunity not to miss. (2/5)