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Solar Power Generation Project

Eversource has constructed large-scale solar generation in Massachusetts, which directly contributes to Massachusetts' goal to have 15 percent renewable energy installed by 2020.

Our solar program focuses on developing large-scale solar facilities on sites that offer economies of scale and cost-effective energy production. The capacity from these facilities also represents a significant reduction in greenhouse gas emissions.

Eversource has allocated $146.3 million of green bond proceeds to the construction of 19 photovoltaic solar generation sites in cities and towns across the Commonwealth of Massachusetts. These sites represent 62 megawatts (MW) of total capacity. More information about the sites is available below.

In December 2016, the Massachusetts Department of Public Utilities (DPU) approved a proposal for Eversource to own, construct and operate up to 70 MW of solar generation facilities.

Along with the significant environmental benefits, there are substantial cost-saving benefits for Eversource customers in Massachusetts. The company estimates it will produce solar power for about 18 cents per kilowatt-hour (kWh), compared to upwards of 50 cents per kWh for some private projects currently operating within the Commonwealth.

In addition to the Eversource owned and operated 8 MW solar generation facilities constructed from 2010 through 2014, the company completed construction of an additional 62 MW of solar capacity in Massachusetts in 2018.

These additional 62 MW facilities are estimated to save nearly 32,000 metric tons of carbon per year. One of the sites developed by Eversource was a landfill and environmentally-challenged site, which had few, very restricted alternative uses.

In total, Eversource now owns and operates 22 solar generation facilities across Massachusetts. Eversource will sell the solar energy it produces directly into the regional energy market managed by ISO New England and customers will benefit from the proceeds.

Additionally, the company will receive Renewable Energy Credits for the power it produces and will pass the savings along to customers through electricity rates.

The total amount of solar electricity Eversource will be capable of generating will be enough to power more than 11,000 homes, avoiding nearly 36,000 metric tons of carbon emissions per year. Our total solar generation portfolio will represent the equivalent to taking 7,600 cars off the road per year.

Solar Generation Facilities

The table below provides a breakdown of the 19 solar generation site locations for 62 MW of total capacity that are associated with this green bond issuance.

Location MW (dc) Metric Tons of Carbon Saved Per Year Equivalent # of Cars Taken Off The Road Per Year Equivalent # of Homes Powered Per Year In-Service Date
East Longmeadow 7.01 3,596 765 1,150 June 2019
East Springfield 1.86 954 203 305 June 2018
Greenfield 2.80 1,436 306 459 December 2018
Hampden 4.89 2,508 534 802 June 2019
Hatfield 4.76 2,442 520 781 June 2018
Hinsdale 2.75 1,411 300 451 December 2018
Lee 2.30 1,180 251 377 June 2018
Ludlow 2.13 1,093 232 349 May 2018
Montague 4.99 2,560 545 818 June 2018
New Bedford 1.22 626 133 200 June 2018
Pittsfield 1.53 785 167 251 June 2018
Plymouth 1.37 703 150 225 June 2018
Savoy 2.80 1,436 306 459 December 2018
Southampton 2.80 1,436 306 459 October 2018
Southwick 6.63 3,401 724 1,087 June 2018
Springfield 5.62 2,883 613 922 November 2018
Sunderland 1.35 693 147 221 June 2018
Wareham 4.83 2,478 527 792 December  2018
Westwood 0.36 185 39 59 October 2018
Total 62.00 31,806 6,768 10,167  
 
Sites Built Prior to 62 MW Program
Pittsfield - Silver Lake 1.80 923 196 295 November 2010
Springfield - Cottage Street 3.89 1,995 425 638 May 2014 
Springfield - Indian Orchard 2.32 1,190 253 380 December 2011 
Total 8.01 4,108 874 1,313  
Combined Total 70.01 35,914 7,642 11,480