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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
Current Quarter YTD
Quarter YTD
Plan Data
Q2
Q1
Please hit 'Refresh Data' button once selections are made.
Performance Indicators
Actual: 2025 (Through Q2)
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: $3,189,409,077
YTD Actual
Plan
Category
Actual
Plan
YTD % of Plan
Expenditures ($)
488,286,294
1,214,516,478
40%
Annual Electric Savings (MWh)
97,237
268,991
36%
Lifetime Electric Savings (MWh)
989,605
2,625,069
38%
Total Summer Capacity Savings (kW)
14,141
273,466
5%
Total Winter Capacity Savings (kW)
10,303
34,278
30%
Annual Gas Savings (Therms)
6,232,963
14,784,825
42%
Lifetime Gas Savings (Therms)
112,416,290
202,664,551
55%
Annual Oil Savings (MMBtu)
296,674
443,259
67%
Lifetime Oil Savings (MMBtu)
5,627,488
8,302,098
68%
Annual Propane Savings (MMBtu)
62,863
120,234
52%
Lifetime Propane Savings (MMBtu)
1,175,731
2,064,583
57%
Lifetime All Fuel Savings (MMBtu)
20,273,109
45,081,084
45%
Total Benefits ($)*
1,407,929,219
3,189,409,077
44%
Expenditures ($)
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 ($)
220,896,878
522,769,625
42%
Annual Electric Savings (MWh)
42,679
112,085
38%
Lifetime Electric Savings (MWh)
325,622
812,298
40%
Total Summer Capacity Savings (kW)
4,470
124,698
4%
Total Winter Capacity Savings (kW)
4,427
17,321
26%
Annual Gas Savings (Therms)
3,358,063
6,455,037
52%
Lifetime Gas Savings (Therms)
65,155,861
65,275,743
100%
Annual Oil Savings (MMBtu)
232,488
250,113
93%
Lifetime Oil Savings (MMBtu)
4,405,746
4,628,722
95%
Annual Propane Savings (MMBtu)
39,227
72,634
54%
Lifetime Propane Savings (MMBtu)
794,490
1,225,721
65%
Lifetime All Fuel Savings (MMBtu)
11,186,304
18,249,018
61%
Total Benefits ($)*
726,536,858
1,173,363,009
62%
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 ($)
118,401,069
300,506,638
39%
Annual Electric Savings (MWh)
44,062
126,514
35%
Lifetime Electric Savings (MWh)
527,238
1,430,359
37%
Total Summer Capacity Savings (kW)
8,546
145,163
6%
Total Winter Capacity Savings (kW)
4,475
14,108
32%
Annual Gas Savings (Therms)
1,823,200
4,516,072
40%
Lifetime Gas Savings (Therms)
26,026,884
63,291,903
41%
Annual Oil Savings (MMBtu)
14,264
10,321
138%
Lifetime Oil Savings (MMBtu)
277,652
272,789
102%
Annual Propane Savings (MMBtu)
12,802
8,107
158%
Lifetime Propane Savings (MMBtu)
187,670
124,901
150%
Lifetime All Fuel Savings (MMBtu)
5,316,557
14,655,717
36%
Total Benefits ($)*
343,674,837
1,041,632,920
33%
Electric Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2025 (Through Q2)
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
34 %
35 %
36 %
31 %
32 %
33 %
Residential
35 %
38 %
40 %
4 %
50 %
58 %
Commercial & Industrial
35 %
35 %
37 %
6 %
38 %
32 %
Total
35 %
36 %
38 %
5 %
42 %
42 %
Gas Year-to-Date Actuals as a Percent of Plan Goals
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Expenditures ($)
Annual Gas Savings (Therms)
Lifetime Gas Savings (Therms)
Lifetime All Fuel Savings (MMBtu)
Total Benefits ($)*
Low Income
44 %
28 %
29 %
30 %
37 %
Residential
57 %
52 %
100 %
81 %
72 %
Commercial & Industrial
52 %
40 %
41 %
34 %
35 %
Total
51 %
42 %
55 %
49 %
48 %
Expenditures ($)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
$148,988,348
$391,240,214
38%
Residential
$220,896,878
$522,769,625
42%
Commercial & Industrial
$118,401,069
$300,506,638
39%
Total
$488,286,294
$1,214,516,478
40%
Expenditures (%)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
31 %
Residential
45 %
Commercial & Industrial
24 %
Annual Electric Savings (MWh)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
10,496
30,393
35 %
Residential
42,679
112,085
38 %
Commercial & Industrial
44,062
126,514
35 %
Total
97,237
268,991
36 %
Annual Electric Savings (%)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
11 %
Residential
44 %
Commercial & Industrial
45 %
Annual Gas Savings (Therms)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
1,051,700
3,813,717
28 %
Residential
3,358,063
6,455,037
52 %
Commercial & Industrial
1,823,200
4,516,072
40 %
Total
6,232,963
14,784,825
42 %
Annual Gas Savings (%)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
17 %
Residential
54 %
Commercial & Industrial
29 %
Lifetime Electric Savings (MWh)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
136,746
382,412
36 %
Residential
325,622
812,298
40 %
Commercial & Industrial
527,238
1,430,359
37 %
Total
989,605
2,625,069
38 %
Lifetime Electric Savings (%)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
14 %
Residential
33 %
Commercial & Industrial
53 %
Lifetime Gas Savings (Therms)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
21,233,545
74,096,904
29 %
Residential
65,155,861
65,275,743
100 %
Commercial & Industrial
26,026,884
63,291,903
41 %
Total
112,416,290
202,664,551
55 %
Lifetime Gas Savings (%)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
19 %
Residential
58 %
Commercial & Industrial
23 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
3,770,249
12,176,349
31 %
Residential
11,186,304
18,249,018
61 %
Commercial & Industrial
5,316,557
14,655,717
36 %
Total
20,273,109
45,081,084
45 %
Lifetime All Fuel Savings (MMBtu)
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
19 %
Residential
55 %
Commercial & Industrial
26 %
Total Benefits ($)*
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Actual to Plan
Sector
Actual
Plan
% Actual to Plan
Low Income
$337,717,524
$974,413,148
35 %
Residential
$726,536,858
$1,173,363,009
62 %
Commercial & Industrial
$343,674,837
$1,041,632,920
33 %
Total
$1,407,929,219
$3,189,409,077
44 %
Total Benefits (%)*
Actual: 2025 (Through Q2)
Plan: 2025
Chart...
Sector
Percentage
Low Income
24 %
Residential
52 %
Commercial & Industrial
24 %