Glossary
Technical Reference Manual
Customer Profile Dashboard
Contact Us
Home
Overview
Time Series
Performance Overview
Monthly Reporting
Sales & Savings
Detailed Data
Performance Details
Cost to Deliver
Home Energy
HEAT Loan
HEAT Pump
GHG
Measure
Geographic
Usage, Savings, & Incentives
Usage by Month
Participation Maps
Regulatory Reporting
Welcome to Mass Save Data
The Massachusetts Energy Efficiency Database
Electric
Gas
Both Fuels
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
Berkshire Gas
Cape Light Compact
Columbia Gas of MA
Liberty Utilities
Eversource Electric
Eversource Gas
National Grid Electric
National Grid Gas
Unitil Electric
Unitil Gas
Current Quarter YTD
Quarter YTD
Plan Data
Q4
Q3
Q2
Q1
Please hit 'Refresh Data' button once selections are made.
Performance Indicators
Actual: 2024 (Through Q4)
Plan: 2024
Portfolio
Residential
Income Eligible
Commercial & Industrial
Expenditures ($)
Chart...
Plan: $1,496,177,348
Annual Electric Savings (MWh)
Chart...
Plan: 442,851 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 3,908,368 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 484,162 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 31,486 kW
Annual Gas Savings (Therms)
Chart...
Plan: 27,739,638 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 412,396,398 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 1,625,768 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 28,989,386 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 591,597 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 10,460,909 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 84,920,135 MMBtu
Total Benefits ($)*
Chart...
Plan: $3,400,661,194
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
1,282,978,899
1,496,177,348
86%
Annual Electric Savings (MWh)
362,020
442,851
82%
Lifetime Electric Savings (MWh)
3,726,051
3,908,368
95%
Total Summer Capacity Savings (kW)
129,299
484,162
27%
Total Winter Capacity Savings (kW)
59,486
31,486
189%
Annual Gas Savings (Therms)
28,811,175
27,739,638
104%
Lifetime Gas Savings (Therms)
449,079,794
412,396,398
109%
Annual Oil Savings (MMBtu)
1,009,588
1,625,768
62%
Lifetime Oil Savings (MMBtu)
19,486,504
28,989,386
67%
Annual Propane Savings (MMBtu)
248,439
591,597
42%
Lifetime Propane Savings (MMBtu)
4,748,901
10,460,909
45%
Lifetime All Fuel Savings (MMBtu)
74,770,029
84,920,135
88%
Total Benefits ($)*
2,868,352,787
3,400,661,194
84%
Expenditures ($)
Chart...
Plan: $ 677,847,932
Annual Electric Savings (MWh)
Chart...
Plan: 159,568 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 1,171,418 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 211,550 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 5,293 kW
Annual Gas Savings (Therms)
Chart...
Plan: 14,077,945 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 195,897,072 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 1,131,747 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 20,620,856 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 332,619 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 6,463,616 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 42,867,311 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,573,536,199
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
635,383,137
677,847,932
94%
Annual Electric Savings (MWh)
117,963
159,568
74%
Lifetime Electric Savings (MWh)
1,210,963
1,171,418
103%
Total Summer Capacity Savings (kW)
68,113
211,550
32%
Total Winter Capacity Savings (kW)
12,168
5,293
230%
Annual Gas Savings (Therms)
17,193,416
14,077,945
122%
Lifetime Gas Savings (Therms)
261,570,894
195,897,072
134%
Annual Oil Savings (MMBtu)
792,052
1,131,747
70%
Lifetime Oil Savings (MMBtu)
15,308,210
20,620,856
74%
Annual Propane Savings (MMBtu)
193,322
332,619
58%
Lifetime Propane Savings (MMBtu)
3,988,964
6,463,616
62%
Lifetime All Fuel Savings (MMBtu)
39,617,336
42,867,311
92%
Total Benefits ($)*
1,381,863,077
1,573,536,199
88%
Expenditures ($)
Annual Electric Savings (MWh)
Lifetime Electric Savings (MWh)
Total Summer Capacity Savings (kW)
Total Winter Capacity Savings (kW)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Annual Oil Savings (MMBtu)
Lifetime Oil Savings (MMBtu)
Annual Propane Savings (MMBtu)
Lifetime Propane Savings (MMBtu)
Total Benefits ($)*
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
Chart...
Plan: $ 203,704,014
Annual Electric Savings (MWh)
Chart...
Plan: 26,300 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 245,807 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 5,783 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 2,362 kW
Annual Gas Savings (Therms)
Chart...
Plan: 2,931,383 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 60,848,301 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 139,216 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 2,616,088 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 33,341 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 626,284 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 10,311,229 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 497,848,120
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
321,202,472
203,704,014
158%
Annual Electric Savings (MWh)
29,053
26,300
110%
Lifetime Electric Savings (MWh)
367,314
245,807
149%
Total Summer Capacity Savings (kW)
2,168
5,783
37%
Total Winter Capacity Savings (kW)
3,316
2,362
140%
Annual Gas Savings (Therms)
3,575,361
2,931,383
122%
Lifetime Gas Savings (Therms)
68,567,448
60,848,301
113%
Annual Oil Savings (MMBtu)
217,046
139,216
156%
Lifetime Oil Savings (MMBtu)
3,757,802
2,616,088
144%
Annual Propane Savings (MMBtu)
20,825
33,341
62%
Lifetime Propane Savings (MMBtu)
381,364
626,284
61%
Lifetime All Fuel Savings (MMBtu)
12,218,691
10,311,229
118%
Total Benefits ($)*
633,671,896
497,848,120
127%
Expenditures ($)
Chart...
Plan: $ 614,625,403
Annual Electric Savings (MWh)
Chart...
Plan: 256,983 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 2,491,144 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 266,829 kW
Total Winter Capacity Savings (KW)
Chart...
Plan: 23,830 kW
Annual Gas Savings (Therms)
Chart...
Plan: 10,730,309 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 155,651,025 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 354,805 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 5,752,443 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 225,636 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 3,371,010 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 31,741,595 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,329,276,874
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
326,393,291
614,625,403
53%
Annual Electric Savings (MWh)
215,005
256,983
84%
Lifetime Electric Savings (MWh)
2,147,774
2,491,144
86%
Total Summer Capacity Savings (kW)
59,018
266,829
22%
Total Winter Capacity Savings (kW)
44,003
23,830
185%
Annual Gas Savings (Therms)
8,042,398
10,730,309
75%
Lifetime Gas Savings (Therms)
118,941,452
155,651,025
76%
Annual Oil Savings (MMBtu)
490
354,805
0%
Lifetime Oil Savings (MMBtu)
420,492
5,752,443
7%
Annual Propane Savings (MMBtu)
34,292
225,636
15%
Lifetime Propane Savings (MMBtu)
378,573
3,371,010
11%
Lifetime All Fuel Savings (MMBtu)
22,934,002
31,741,595
72%
Total Benefits ($)*
852,817,814
1,329,276,874
64%
Electric Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Expenditures ($)
Annual Electric Savings (MWh)
Lifetime Electric Savings (MWh)
Total Summer Capacity Savings (kW)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Residential
88 %
74 %
103 %
32 %
84 %
84 %
Income Eligible
168 %
110 %
149 %
37 %
130 %
130 %
Commercial & Industrial
45 %
84 %
86 %
22 %
67 %
57 %
Total
76 %
82 %
95 %
27 %
81 %
77 %
Gas Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Expenditures ($)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Residential
103 %
122 %
134 %
103 %
99 %
Income Eligible
145 %
122 %
113 %
111 %
125 %
Commercial & Industrial
89 %
75 %
76 %
79 %
88 %
Total
108 %
104 %
109 %
96 %
102 %
Expenditures ($)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
$635,383,137
$677,847,932
94%
Income Eligible
$321,202,472
$203,704,014
158%
Commercial & Industrial
$326,393,291
$614,625,403
53%
Total
$1,282,978,899
$1,496,177,348
86%
Expenditures (%)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
50 %
Income Eligible
25 %
Commercial & Industrial
25 %
Annual Electric Savings (MWh)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
117,963
159,568
74 %
Income Eligible
29,053
26,300
110 %
Commercial & Industrial
215,005
256,983
84 %
Total
362,020
442,851
82 %
Annual Electric Savings (%)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
33 %
Income Eligible
8 %
Commercial & Industrial
59 %
Annual Gas Savings (Therms)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
17,193,416
14,077,945
122 %
Income Eligible
3,575,361
2,931,383
122 %
Commercial & Industrial
8,042,398
10,730,309
75 %
Total
28,811,175
27,739,638
104 %
Annual Gas Savings (%)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
60 %
Income Eligible
12 %
Commercial & Industrial
28 %
Lifetime Electric Savings (MWh)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
1,210,963
1,171,418
103 %
Income Eligible
367,314
245,807
149 %
Commercial & Industrial
2,147,774
2,491,144
86 %
Total
3,726,051
3,908,368
95 %
Lifetime Electric Savings (%)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
32 %
Income Eligible
10 %
Commercial & Industrial
58 %
Lifetime Gas Savings (Therms)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
261,570,894
195,897,072
134 %
Income Eligible
68,567,448
60,848,301
113 %
Commercial & Industrial
118,941,452
155,651,025
76 %
Total
449,079,794
412,396,398
109 %
Lifetime Gas Savings (%)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
58 %
Income Eligible
15 %
Commercial & Industrial
26 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
39,617,336
42,867,311
92 %
Income Eligible
12,218,691
10,311,229
118 %
Commercial & Industrial
22,934,002
31,741,595
72 %
Total
74,770,029
84,920,135
88 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
53 %
Income Eligible
16 %
Commercial & Industrial
31 %
Total Benefits ($)*
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
$1,381,863,077
$1,573,536,199
88 %
Income Eligible
$633,671,896
$497,848,120
127 %
Commercial & Industrial
$852,817,814
$1,329,276,874
64 %
Total
$2,868,352,787
$3,400,661,194
84 %
Total Benefits (%)*
Actual: 2024 (Through Q4)
Plan: 2024
Chart...
Sector
Percentage
Residential
48 %
Income Eligible
22 %
Commercial & Industrial
30 %