A think tank producing rigorous, accessible data for advocates, policymakers, & the public.
Clarity and perspective
on state climate policy.
Scenarios
- Who saves just from switching NG -> HP?
- Minimum Efficiency HP
- High Efficiency HP
- Of those that don't save, would weatherization make the difference?
if you save, median savings =
$60381%households who save =
Natural Gas
Winthrop (Suffolk County)
if you save, median savings =
$41962%households who save =
if you save, median savings =
$26747%households who save =
-$455median bill change =
-$183median bill change =
+$38median bill change =
if you save, median savings =
$825if you save, median savings =
$1,39997.7% households who save =
84.6%households who save =
68.7% households who save =
Fuel Oil
if you save, median savings =
$650
if you save, median savings =
$2,183if you save, median savings =
$2,489100% households who save =
99.6%households who save =
99.5% households who save =
Electric Resistance
if you save, median savings =
$2,035if you save, median savings =
$1,279if you save, median savings =
$1,975100% households who save =
99.4%households who save =
97.2% households who save =
Propane
if you save, median savings =
$1,024
Backup Slides
Extra material
1 kWh of electric energy is ~5x more expensive...
...than a kWh of gas energy
The Spark Gap is slowly growing.
Net bills increase
Energy bills decrease slightly
Meaningful savings
Older Slides
Presented 3/17/2025
BILL BREAKDOWN
UnITIL
9.4%
25%
9.4% mean savings for the MADPU-Approved discount
25% mean savings for the DOER-proposed $0.16 discount
BILL BREAKDOWN
Gas to HP $
14% save when using the MA DPU approved heat pump rate
28% save with the DOER proposed rate
10% save immediately when switching to a heat pump, even with the default rate
28% for the MADPU-Approved discount
15% for the DOER-proposed $0.16 discount
35% of bills are above the median energy burden threshold ($6,000)
Energy Burden
Supply is the biggest individual bill component.
Winter cold snaps coinciding with high supply prices
add uncertainty to bills.
TO BE Graveyarded
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bsky @switch.box
mail jpv@switch.box
