A think tank producing rigorous, accessible data for advocates, policymakers, & the public.
Clarity and perspective
on state climate policy.
Unitil's HP RATE
MADPU approved a $0.06/kWh discount in the winter months (25%)
DOER proposes a $0.16/kWh discount in the winter months (64%)
Unitil's default rate has a $0.26/kWh delivery charge
BILL BREAKDOWN
UnITIL
9.4%
25%
HP efficiency makes a big difference
if you save, median savings =
$53660%households who save =
High
if you save, median savings =
$680%74households who save =
High
if you save, median savings =
$88784%households who save =
High
Medium
$64166%Medium
$51951%Medium
$55136%
Natural Gas
with Low Income Discount
if you save, median savings =
$26445%households who save =
Raw
if you save, median savings =
$378%61households who save =
Raw
if you save, median savings =
$36984%households who save =
Raw
Discounted
$37087%Discounted
$35867%Discounted
$25952%
10th Percentile
90th Percentile
with baseline rates, some increase in energy burden
Backup Slides
Extra material
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
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
web switch.box
bsky @switch.box
mail jpv@switch.box
MA Heat Pump Rates
By Juan-Pablo Velez
