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Welcome to Mass Save Data
The Massachusetts Energy Efficiency Database
Electric
Gas
Both Fuels
2025
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
Annual
Quarter
Plan Data
Evaluated
Please hit 'Refresh Data' button once selections are made.
Performance Indicators
Actual: 2024 (Filed w DPU)
Plan: 2024
Portfolio
Residential
Income Eligible
Commercial & Industrial
Expenditures ($)
Chart...
Plan: $1,568,046,233
Annual Electric Savings (MWh)
Chart...
Plan: 456,569 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 4,085,029 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 493,062 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 31,586 kW
Annual Gas Savings (Therms)
Chart...
Plan: 27,739,638 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 412,396,398 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 1,703,390 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 30,450,304 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 640,202 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 11,370,930 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 87,644,212 MMBtu
Total Benefits ($)*
Chart...
Plan: $3,540,240,406
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
1,351,082,649
1,568,046,233
86%
Annual Electric Savings (MWh)
392,291
456,569
86%
Lifetime Electric Savings (MWh)
4,101,204
4,085,029
100%
Total Summer Capacity Savings (kW)
222,029
493,062
45%
Total Winter Capacity Savings (kW)
43,678
31,586
138%
Annual Gas Savings (Therms)
29,252,488
27,739,638
105%
Lifetime Gas Savings (Therms)
454,191,340
412,396,398
110%
Annual Oil Savings (MMBtu)
926,119
1,703,390
54%
Lifetime Oil Savings (MMBtu)
18,323,136
30,450,304
60%
Annual Propane Savings (MMBtu)
262,293
640,202
41%
Lifetime Propane Savings (MMBtu)
5,061,257
11,370,930
45%
Lifetime All Fuel Savings (MMBtu)
78,084,753
87,644,212
89%
Total Benefits ($)*
2,976,900,989
3,540,240,406
84%
Expenditures ($)
Chart...
Plan: $ 723,130,406
Annual Electric Savings (MWh)
Chart...
Plan: 164,910 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 1,256,945 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 215,363 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 4,300 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: 1,199,680 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 21,914,369 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 376,200 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 7,295,391 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 44,689,301 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,667,523,474
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
661,406,184
723,130,406
91%
Annual Electric Savings (MWh)
129,569
164,910
79%
Lifetime Electric Savings (MWh)
1,384,888
1,256,945
110%
Total Summer Capacity Savings (kW)
114,592
215,363
53%
Total Winter Capacity Savings (kW)
13,242
4,300
308%
Annual Gas Savings (Therms)
17,055,666
14,077,945
121%
Lifetime Gas Savings (Therms)
256,082,562
195,897,072
131%
Annual Oil Savings (MMBtu)
780,229
1,199,680
65%
Lifetime Oil Savings (MMBtu)
14,942,774
21,914,369
68%
Annual Propane Savings (MMBtu)
204,792
376,200
54%
Lifetime Propane Savings (MMBtu)
4,265,579
7,295,391
58%
Lifetime All Fuel Savings (MMBtu)
39,947,313
44,689,301
89%
Total Benefits ($)*
1,419,264,174
1,667,523,474
85%
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: $ 211,044,276
Annual Electric Savings (MWh)
Chart...
Plan: 28,269 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 265,917 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 6,001 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 2,719 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: 142,523 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 2,679,670 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 35,404 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 662,562 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 10,509,150 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 509,504,368
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
346,699,056
211,044,276
164%
Annual Electric Savings (MWh)
31,288
28,269
111%
Lifetime Electric Savings (MWh)
390,929
265,917
147%
Total Summer Capacity Savings (kW)
4,943
6,001
82%
Total Winter Capacity Savings (kW)
4,389
2,719
161%
Annual Gas Savings (Therms)
3,617,639
2,931,383
123%
Lifetime Gas Savings (Therms)
70,936,940
60,848,301
117%
Annual Oil Savings (MMBtu)
167,854
142,523
118%
Lifetime Oil Savings (MMBtu)
3,190,095
2,679,670
119%
Annual Propane Savings (MMBtu)
22,323
35,404
63%
Lifetime Propane Savings (MMBtu)
407,335
662,562
61%
Lifetime All Fuel Savings (MMBtu)
12,334,440
10,509,150
117%
Total Benefits ($)*
635,830,342
509,504,368
125%
Expenditures ($)
Chart...
Plan: $ 633,871,552
Annual Electric Savings (MWh)
Chart...
Plan: 263,390 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 2,562,167 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 271,698 kW
Total Winter Capacity Savings (KW)
Chart...
Plan: 24,567 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: 361,188 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 5,856,265 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 228,597 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 3,412,977 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 32,445,761 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,363,212,564
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
342,977,409
633,871,552
54%
Annual Electric Savings (MWh)
231,434
263,390
88%
Lifetime Electric Savings (MWh)
2,325,387
2,562,167
91%
Total Summer Capacity Savings (kW)
102,494
271,698
38%
Total Winter Capacity Savings (kW)
26,047
24,567
106%
Annual Gas Savings (Therms)
8,579,183
10,730,309
80%
Lifetime Gas Savings (Therms)
127,171,838
155,651,025
82%
Annual Oil Savings (MMBtu)
-21,964
361,188
-6%
Lifetime Oil Savings (MMBtu)
190,266
5,856,265
3%
Annual Propane Savings (MMBtu)
35,178
228,597
15%
Lifetime Propane Savings (MMBtu)
388,343
3,412,977
11%
Lifetime All Fuel Savings (MMBtu)
25,803,000
32,445,761
80%
Total Benefits ($)*
921,806,473
1,363,212,564
68%
Electric Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2024 (Filed w DPU)
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
82 %
79 %
110 %
53 %
81 %
81 %
Income Eligible
169 %
111 %
147 %
82 %
121 %
124 %
Commercial & Industrial
46 %
88 %
91 %
38 %
78 %
60 %
Total
75 %
86 %
100 %
45 %
84 %
77 %
Gas Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Expenditures ($)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Residential
109 %
121 %
131 %
100 %
97 %
Income Eligible
158 %
123 %
117 %
115 %
125 %
Commercial & Industrial
92 %
80 %
82 %
81 %
94 %
Total
115 %
105 %
110 %
96 %
103 %
Expenditures ($)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
$661,406,184
$723,130,406
91%
Income Eligible
$346,699,056
$211,044,276
164%
Commercial & Industrial
$342,977,409
$633,871,552
54%
Total
$1,351,082,649
$1,568,046,233
86%
Expenditures (%)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
49 %
Income Eligible
26 %
Commercial & Industrial
25 %
Annual Electric Savings (MWh)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
129,569
164,910
79 %
Income Eligible
31,288
28,269
111 %
Commercial & Industrial
231,434
263,390
88 %
Total
392,291
456,569
86 %
Annual Electric Savings (%)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
33 %
Income Eligible
8 %
Commercial & Industrial
59 %
Annual Gas Savings (Therms)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
17,055,666
14,077,945
121 %
Income Eligible
3,617,639
2,931,383
123 %
Commercial & Industrial
8,579,183
10,730,309
80 %
Total
29,252,488
27,739,638
105 %
Annual Gas Savings (%)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
58 %
Income Eligible
12 %
Commercial & Industrial
29 %
Lifetime Electric Savings (MWh)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
1,384,888
1,256,945
110 %
Income Eligible
390,929
265,917
147 %
Commercial & Industrial
2,325,387
2,562,167
91 %
Total
4,101,204
4,085,029
100 %
Lifetime Electric Savings (%)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
34 %
Income Eligible
10 %
Commercial & Industrial
57 %
Lifetime Gas Savings (Therms)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
256,082,562
195,897,072
131 %
Income Eligible
70,936,940
60,848,301
117 %
Commercial & Industrial
127,171,838
155,651,025
82 %
Total
454,191,340
412,396,398
110 %
Lifetime Gas Savings (%)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
56 %
Income Eligible
16 %
Commercial & Industrial
28 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
39,947,313
44,689,301
89 %
Income Eligible
12,334,440
10,509,150
117 %
Commercial & Industrial
25,803,000
32,445,761
80 %
Total
78,084,753
87,644,212
89 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
51 %
Income Eligible
16 %
Commercial & Industrial
33 %
Total Benefits ($)*
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Residential
$1,419,264,174
$1,667,523,474
85 %
Income Eligible
$635,830,342
$509,504,368
125 %
Commercial & Industrial
$921,806,473
$1,363,212,564
68 %
Total
$2,976,900,989
$3,540,240,406
84 %
Total Benefits (%)*
Actual: 2024 (Filed w DPU)
Plan: 2024
Chart...
Sector
Percentage
Residential
48 %
Income Eligible
21 %
Commercial & Industrial
31 %