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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
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National Grid Gas
Unitil Electric
Unitil Gas
Current Quarter YTD
Quarter YTD
Plan Data
Q3
Q2
Q1
Please hit 'Refresh Data' button once selections are made.
Performance Indicators
Actual: 2025 (Through Q3)
Plan: 2025
Portfolio
Residential
Income Eligible
Commercial & Industrial
Expenditures ($)
Chart...
Plan: $1,214,516,478
Annual Electric Savings (MWh)
Chart...
Plan: 268,991 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 2,625,069 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 273,466 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 34,278 kW
Annual Gas Savings (Therms)
Chart...
Plan: 14,784,825 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 202,664,551 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 443,259 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 8,302,098 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 120,234 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 2,064,583 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 45,081,084 MMBtu
Total Benefits ($)*
Chart...
Plan: $3,189,409,077
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
750,424,789
1,214,516,478
62%
Annual Electric Savings (MWh)
163,400
268,991
61%
Lifetime Electric Savings (MWh)
1,919,263
2,625,069
73%
Total Summer Capacity Savings (kW)
116,364
273,466
43%
Total Winter Capacity Savings (kW)
18,304
34,278
53%
Annual Gas Savings (Therms)
12,355,410
14,784,825
84%
Lifetime Gas Savings (Therms)
179,892,674
202,664,551
89%
Annual Oil Savings (MMBtu)
456,330
443,259
103%
Lifetime Oil Savings (MMBtu)
8,568,350
8,302,098
103%
Annual Propane Savings (MMBtu)
111,066
120,234
92%
Lifetime Propane Savings (MMBtu)
2,055,688
2,064,583
100%
Lifetime All Fuel Savings (MMBtu)
34,094,347
45,081,084
76%
Total Benefits ($)*
2,358,522,890
3,189,409,077
74%
Expenditures ($)
Chart...
Plan: $ 522,769,625
Annual Electric Savings (MWh)
Chart...
Plan: 112,085 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 812,298 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 124,698 kW
Total Winter Capacity Savings (kW)
Chart...
Plan: 17,321 kW
Annual Gas Savings (Therms)
Chart...
Plan: 6,455,037 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 65,275,743 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 250,113 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 4,628,722 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 72,634 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 1,225,721 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 18,249,018 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,173,363,009
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
354,080,770
522,769,625
68%
Annual Electric Savings (MWh)
77,108
112,085
69%
Lifetime Electric Savings (MWh)
874,288
812,298
108%
Total Summer Capacity Savings (kW)
65,856
124,698
53%
Total Winter Capacity Savings (kW)
9,797
17,321
57%
Annual Gas Savings (Therms)
7,690,732
6,455,037
119%
Lifetime Gas Savings (Therms)
104,010,998
65,275,743
159%
Annual Oil Savings (MMBtu)
350,113
250,113
140%
Lifetime Oil Savings (MMBtu)
6,562,212
4,628,722
142%
Annual Propane Savings (MMBtu)
68,693
72,634
95%
Lifetime Propane Savings (MMBtu)
1,438,425
1,225,721
117%
Lifetime All Fuel Savings (MMBtu)
19,164,571
18,249,018
105%
Total Benefits ($)*
1,276,401,040
1,173,363,009
109%
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 ($)
Annual Electric Savings (MWh)
Lifetime Electric Savings (MWh)
Total Summer Capacity Savings (kW)
Total Winter Capacity Savings (kW)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Annual Oil Savings (MMBtu)
Lifetime Oil Savings (MMBtu)
Annual Propane Savings (MMBtu)
Lifetime Propane Savings (MMBtu)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
Chart...
Plan: $ 300,506,638
Annual Electric Savings (MWh)
Chart...
Plan: 126,514 MWh
Lifetime Electric Savings (MWh)
Chart...
Plan: 1,430,359 MWh
Total Summer Capacity Savings (kW)
Chart...
Plan: 145,163 kW
Total Winter Capacity Savings (KW)
Chart...
Plan: 14,108 kW
Annual Gas Savings (Therms)
Chart...
Plan: 4,516,072 Therms
Lifetime Gas Savings (Therms)
Chart...
Plan: 63,291,903 Therms
Annual Oil Savings (MMBtu)
Chart...
Plan: 10,321 MMBtu
Lifetime Oil Savings (MMBtu)
Chart...
Plan: 272,789 MMBtu
Annual Propane Savings (MMBtu)
Chart...
Plan: 8,107 MMBtu
Lifetime Propane Savings (MMBtu)
Chart...
Plan: 124,901 MMBtu
Lifetime All Fuel Savings (MMBtu)
Chart...
Plan: 14,655,717 MMBtu
Total Benefits ($)*
Chart...
Plan: $ 1,041,632,920
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
176,634,347
300,506,638
59%
Annual Electric Savings (MWh)
68,817
126,514
54%
Lifetime Electric Savings (MWh)
814,514
1,430,359
57%
Total Summer Capacity Savings (kW)
48,641
145,163
34%
Total Winter Capacity Savings (kW)
6,162
14,108
44%
Annual Gas Savings (Therms)
3,102,078
4,516,072
69%
Lifetime Gas Savings (Therms)
44,168,527
63,291,903
70%
Annual Oil Savings (MMBtu)
22,281
10,321
216%
Lifetime Oil Savings (MMBtu)
411,868
272,789
151%
Annual Propane Savings (MMBtu)
28,014
8,107
346%
Lifetime Propane Savings (MMBtu)
354,603
124,901
284%
Lifetime All Fuel Savings (MMBtu)
9,055,031
14,655,717
62%
Total Benefits ($)*
576,124,967
1,041,632,920
55%
Electric Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Expenditures ($)
Annual Electric Savings (MWh)
Lifetime Electric Savings (MWh)
Total Summer Capacity Savings (kW)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Low Income
52 %
57 %
60 %
52 %
53 %
52 %
Residential
59 %
69 %
108 %
53 %
96 %
109 %
Commercial & Industrial
53 %
54 %
57 %
34 %
63 %
54 %
Total
55 %
61 %
73 %
43 %
76 %
75 %
Gas Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Expenditures ($)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Low Income
62 %
41 %
43 %
45 %
52 %
Residential
87 %
119 %
159 %
121 %
109 %
Commercial & Industrial
75 %
69 %
70 %
59 %
60 %
Total
75 %
84 %
89 %
75 %
72 %
Expenditures ($)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
$219,709,673
$391,240,214
56%
Residential
$354,080,770
$522,769,625
68%
Commercial & Industrial
$176,634,347
$300,506,638
59%
Total
$750,424,789
$1,214,516,478
62%
Expenditures (%)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
29 %
Residential
47 %
Commercial & Industrial
24 %
Annual Electric Savings (MWh)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
17,475
30,393
57 %
Residential
77,108
112,085
69 %
Commercial & Industrial
68,817
126,514
54 %
Total
163,400
268,991
61 %
Annual Electric Savings (%)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
11 %
Residential
47 %
Commercial & Industrial
42 %
Annual Gas Savings (Therms)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
1,562,599
3,813,717
41 %
Residential
7,690,732
6,455,037
119 %
Commercial & Industrial
3,102,078
4,516,072
69 %
Total
12,355,410
14,784,825
84 %
Annual Gas Savings (%)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
13 %
Residential
62 %
Commercial & Industrial
25 %
Lifetime Electric Savings (MWh)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
230,461
382,412
60 %
Residential
874,288
812,298
108 %
Commercial & Industrial
814,514
1,430,359
57 %
Total
1,919,263
2,625,069
73 %
Lifetime Electric Savings (%)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
12 %
Residential
46 %
Commercial & Industrial
42 %
Lifetime Gas Savings (Therms)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
31,713,150
74,096,904
43 %
Residential
104,010,998
65,275,743
159 %
Commercial & Industrial
44,168,527
63,291,903
70 %
Total
179,892,674
202,664,551
89 %
Lifetime Gas Savings (%)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
18 %
Residential
58 %
Commercial & Industrial
25 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
5,874,745
12,176,349
48 %
Residential
19,164,571
18,249,018
105 %
Commercial & Industrial
9,055,031
14,655,717
62 %
Total
34,094,347
45,081,084
76 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
17 %
Residential
56 %
Commercial & Industrial
27 %
Total Benefits ($)*
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
$505,996,883
$974,413,148
52 %
Residential
$1,276,401,040
$1,173,363,009
109 %
Commercial & Industrial
$576,124,967
$1,041,632,920
55 %
Total
$2,358,522,890
$3,189,409,077
74 %
Total Benefits (%)*
Actual: 2025 (Through Q3)
Plan: 2025
Chart...
Sector
Percentage
Low Income
21 %
Residential
54 %
Commercial & Industrial
24 %