Eversource Energy

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Eversource Energy
FormerlyNortheast Utilities
PredecessorNortheast Utilities, NSTAR Electric, NSTAR Gas, Aquarion Water, Connecticut Light & Power Co., Holyoke Water Power Co., Public Service of New Hampshire, Western Massachusetts Electric Co., Yankee Gas
Area served
Key people
Governed by a 14-member Board of Trustees. Sanford Cloud, Jr., Lead Trustee[2][3][4]
Productstransmission, distribution and generation
RevenueIncrease US$8.904 billion (Fiscal Year Ended 2020)[5]
Increase US$1.988 billion (Fiscal Year Ended 2020)[5]
Increase US$1.212 billion (Fiscal Year Ended 2020)[5]
Total assetsIncrease US$46.099 billion (Fiscal Year Ended 2020)[5]
Total equityIncrease US$14.064 billion (Fiscal Year Ended 2020)[5]
Number of employees
8,084[6] (2017)

Eversource Energy is a publicly traded, Fortune 500 energy company headquartered in Hartford, Connecticut, and Boston, Massachusetts, with several regulated subsidiaries offering retail electricity, natural gas service and water service to approximately 4 million[7] customers in Connecticut, Massachusetts and New Hampshire.

Following its 2012 merger with Boston-based NSTAR, Northeast Utilities had more than 4,270 circuit miles of electric transmission lines, 72,000 pole miles of distribution lines, and 6,459 miles of natural gas pipeline in New England.[8]

On February 2, 2015, the company and all its subsidiaries rebranded themselves as "Eversource Energy".[9] The stock symbol changed on February 19, 2015, from "NU" to "ES".[10]

Corporate structure[edit]

Before its rebranding, the company operated six main subsidiaries: Connecticut Light and Power (CL&P), Public Service Company of New Hampshire (PSNH), Western Massachusetts Electric Company (WMECO), Yankee Gas Services Company (Yankee Gas), NSTAR Electric, and NSTAR Gas.[8] NSTAR itself was the product of corporate mergers, and included the former Boston Edison Company, Cambridge Electric Light Company, Commonwealth Electric Company, Commonwealth Gas, and Cambridge Gas Company. All now currently operate under the Eversource name.

Eversource remains Connecticut's largest electric utility, serving more than 1.2 million residential, municipal, commercial and industrial customers in approximately 149 cities and towns. It also serves approximately 229,000 natural gas customers in 73 cities and towns.

Eversource is also New Hampshire's largest electric utility, serving more than 500,000 homes and businesses in 211 cities and towns throughout the state.

It is also a main distributor of energy to 1.7 million customers throughout Massachusetts, including more than 1.4 million electric customers in 140 communities and more than 300,000 natural gas customers in 51 communities.


Logos of Eversource's predecessors, clockwise from top-left, the Connecticut Light & Power Co., Hartford Electric & Light Co., Western Mass. Electric Co., Holyoke Water Power Co., and Public Service Co. of NH, which initially became part of the Northeast Utilities merger

Eversource predecessor Northeast Utilities (NU) was formed on July 1, 1966, with the merger of Connecticut Light and Power Company (CL&P, formed in 1917), Western Massachusetts Electric Company (WMECO, formed in 1886), and the Hartford Electric Light Company (HELCO, formed in 1878) under a single parent company, creating the first new multi-state public utility holding company since the enactment of the Public Utility Holding Company Act of 1935. In 1967, Holyoke Water Power Company (HWP) (formed in 1859) joined the NU System, and in 1992 the Public Service Company of New Hampshire (PSNH, formed in 1926) followed.

After some up-and-down growth under CEO Lelan Sillin (1970–1983) and his successor, William B. Ellis, PSNH declared bankruptcy in January 1988 due to problems getting a license for the completed Seabrook Nuclear Power Plant.[11]

In 1999, Con Edison and Northeast Utilities entered negotiations that would have created one of the largest utilities in the United States. However, Con Edison backed out of the merger in 2001 after Connecticut's Attorney General Richard Blumenthal threatened lawsuits to block it.[12]

Legislation passed in the late 1990s deregulated the electricity market in New England and required regulated utilities to divest generating stations to competitive suppliers. In 1999 the company divested all of the generating assets of WMECO and CL&P per requirements of the Massachusetts and Connecticut legislation. The company retained some of these assets by transferring them to a new subsidiary called Northeast Generation which functioned as a competitive supplier and sold the other assets entirely: WMECO's West Springfield Generating Station and several related hydroelectric and fossil fuel generating units were sold to Con Edison, while other assets (most notably the Northfield Mountain hydroelectric facility) were transferred to Northeast Generation.

In 2001, NU sold the assets and operations of its subsidiary, the Holyoke Water Power Company, to the City of Holyoke including the HWP electrical distribution system and customer base and all generation with the exception of the Mt. Tom coal-fired power plant which NU retained. The city's municipal gas and electric department assumed responsibility for the generators and absorbed the HWP distribution customer base.[13] Between 2000 and 2002 due to state laws, NU divested WMECO, CL&P, and PSNH's nuclear generating assets which consisted of their stakes in the Seabrook, Millstone, and Vermont Yankee stations.

In November 2005, the company announced it would sell its unregulated competitive businesses, including generation and energy services. In November 2006 the company had essentially completed the divestiture of its competitive businesses.[14]

In 2006, NU decided to sell the generating units it had earlier retained in the 1999 divestiture as competitive suppliers and shut down its competitive generation business units. The Northeast Generation assets, including Mount Tom Station and Northfield Mountain, were all sold to Energy Capital Partners. PSNH continued to operate regulated hydroelectric and fossil fuel generation assets to serve its default/basic service customers who did not choose an alternative competitive supplier.

In October 2010, Northeast Utilities announced that it would merge with NSTAR, the major electric and gas provider in Greater Boston, with the resulting company retaining the Northeast Utilities name for the next several years.[15] After government approvals, the deal closed in April 2012.[16]

In 2015 the company (now known as Eversource) agreed to sell all of its New Hampshire generation assets in the same manner it sold its assets in Massachusetts and Connecticut between 2000 and 2006. The sale of the New Hampshire generation fleet was approved by the state's Public Utilities Commission on November 29, 2017,[17] and completed on January 10, 2018.[18]

In June 2017 Eversource announced its merger with Aquarion Water Company for $1.675 billion. [19] Aquarion would become a fully owned subsidiary and retain its own name, adding 300 employees and 230,000 customers in Connecticut, Massachusetts, and New Hampshire. In December 2017, the merger was completed after government approval. [20]

Major projects[edit]

Eversource Energy has participated in a number of projects to improve the reliability of the power grid in southwest Connecticut. The first project was construction of the $350 million 345 kilovolt Bethel-Norwalk transmission line through the western part of the state, and was constructed entirely by the company when it was still known as Northeast Utilities.

With United Illuminating, an upgrade to the 69-mile (112 km), 345 kilovolt Middletown-Norwalk transmission line was energized in 2009 at a cost of $900 million.

In 2013, the Greater Springfield Reliability Project, a component of the ongoing New England East-West Solution, was energized at a cost of $795 million. The project addressed numerous reliability issues with the Springfield, MA area's 115 kV transmission system by constructing two new 345 kV lines to the Agawam substation; one line north to Ludlow and the other south to North Bloomfield, Connecticut.

The new 345 kV corridor added a new strong interface between Massachusetts and Connecticut. The project also involved rebuilding all of the 115 kV lines along the transmission corridor between South Agawam and Ludlow to increase their capacities, building a new 115 kV transmission substation in East Springfield (Cadwell), replacing the Fairmont 115 kV transmission substation in Chicopee with a new substation across the street, and configuring a new 115 kV line from South Agawam to Southwick using a combination of both new and old line segments of the former 115 kV path between Agawam and North Bloomfield. The new Cadwell and Fairmont switching stations allowed a number of three-terminal 115 kV lines to be broken up into two-terminal lines. Finally, the project allowed a problematic underground 115 kV transmission path through the city of Springfield that was vulnerable to thermal overloads to be removed from service by breaking it in half at the middle. The underground lines now function solely to supply the distribution load served out of the Breckwood substation in Springfield. A previously proposed costly project that would have replaced the underground cables is no longer necessary. On November 20, 2013, cutover of 115 kV lines to the new Fairmont Switching Station was complete, marking substantial completion of the GSRP.

Eversource has taken action to support the use of electric vehicles. Starting in 2018, the company began spending $45 million over five years to install over 400 electric vehicle charging stations in Massachusetts. The project is part of the company's Grid Modernization plan. The company has switched much of its power source from coal to natural gas, wind, hydroelectricity and solar power.[21]

HVDC transmission ("Northern Pass" Project)[edit]

As Northeast Utilities the company signed on a joint venture with Hydro-Québec and NSTAR to build a new high-voltage direct current (HVDC) line from Windsor, Quebec (connecting with the Quebec grid) to a location in Franklin, New Hampshire. It is projected that the line will either run in an existing right-of-way adjacent to the HVDC line that runs through New Hampshire, or it will connect to a right-of-way in northern New Hampshire that will run through the White Mountains. This 180- to 190-mile line, projected to carry 1,200 megawatts, will carry electricity to approximately one million homes.[22] The issue of buying hydropower from Hydro-Québec had been an issue during the Massachusetts gubernatorial election of 2010.[23] In November 2015, the Sierra Club of New Hampshire also expressed opposition for the new line, saying that it would not only benefit Connecticut and Massachusetts residents more than those in New Hampshire, but also the concern of the flooding of boreal forests during the construction of Hydro-Québec's dams in northern Quebec, disputes with the Innu First Nations, and the effects of tourism and the environment within the White Mountain National Forest.[24]

On January 25, 2018, Massachusetts Governor Baker selected this "Northern Pass Transmission" (NPT) project[25] as the winner for a clean energy procurement RFP.

However, days later on February 1, 2018, the New Hampshire Site Evaluation Committee voted unanimously to deny[26] Eversource's controversial Northern Pass project a permit, leaving the future of the project, and $1.6B of Eversource's Transmission Rate Base Growth Projections[27] in doubt.

On July 26, 2019, Eversource Energy announced that it was giving up Northern Pass after the New Hampshire Supreme Court rejected its appeal and sided with the SEC.[28]

Transmission controversy (FERC Complaint)[edit]

While Eversource reported that its electric transmission earnings were up 80 percent in Q2 2015,[29] the Federal Energy Regulatory Commission (FERC) is now[needs update] investigating the utility for having transmission rates that appear to be “unjust, unreasonable and unduly discriminatory or preferential”.[30] Meanwhile, the potential for rooftop solar to prevent the need for new transmission lines is growing and Eversource wants to cap rooftop solar growth in the state.[31]

Political connections[edit]

In 2015, Eversource fought the rooftop solar industry and supported anti-solar policies. In Massachusetts, they staffed the State House with lobbyists in order to end legislation promoting growth of the solar industry.[32] During the 2015 legislative session in New Hampshire, Eversource opposed an increase to the state's solar net metering cap.[33] New Hampshire's cap is lower than all neighboring states.[34]

Eversource disclosed on its website politically related organization expenditures of $110,000 to the Democratic Governors Association in 2016, and payments made to trade associations that were used for lobbying or other political activities in excess of $135,000.[35]

Rate hikes and solar charges[edit]

In Massachusetts, Attorney General Maura Healey testified in March, 2017 before the DPU urging it to deny Eversource's proposed $300 million rate increase. In her testimony,[36] she challenged the need for Eversource's rate increase, noting NSTAR's and WMECo's high returns over the last few years. Referencing NSTAR's 2015 return of more than 13 percent, Attorney General Healey told the DPU that “[l]ast year, no state public utility commission in the country allowed a return that high.” Between 2010 and 2015, Eversource's shareholders of common stock received a cumulative total return (including quarterly dividends and the change in the market price per share) of 89 percent.

On November 30, 2017, the Massachusetts Department of Public Utilities on Thursday approved a much-reduced rate hike[37] for Eversource Energy that will allow it to charge its Massachusetts electric customers tens of millions of dollars more a year. On December 20, 2017, Attorney General Maura Healey appealed the DPU ruling in the Eversource rate case, specifically the DPU's approval of a costly 10 percent shareholder return, one of the highest rates allowed by an electric distribution company regulator in the last five years.[38]

On January 30, 2018, Massachusetts Rep. Thomas Golden and Sen. Michael Barrett held an Oversight Hearing on the DPU's decision to approve Eversource's proposal to include a demand charge as part of a monthly minimum reliability contribution on net metering customers. Rep. Golden accused the utility of purposefully making the new charges "as confusing as possible." He said, "Let me tell you something gentlemen, I'm not happy how this was rolled out. I'm not happy with the lack of information my office has received." Golden, co-chairman of the Committee on Telecommunications, Utilities and Energy, helped write the 2016 law that permits utilities to levy a new minimum monthly charge, and he told Eversource executives they were making it "extremely, extremely difficult" for him to continue to support them in the policy.[39]

Price manipulation controversy[edit]

In 2017, an environmental group accused Eversource and Avangrid of driving up electric, gas rates over several winters[40] by buying up shipment capacity on a major pipeline that they ultimately did not use. The Environmental Defense Fund said both utilities routinely reserved big deliveries of natural gas on the Algonquin pipeline system for frigid days, but then sharply reduced those orders too late in the day for others to use that capacity. Those orders had the effect of driving up wholesale prices for natural gas during peak winter heating periods and in turn increasing the costs of electricity generated by gas-fired power plants. The two utilities “engaged in behavior that would tend to have the largest impact on prices,” said N. Jonathan Peress, a senior director at the New York-based environmental group. “That implies they knew their efforts would have some sort of pricing impact that would provide them with some commercial benefit.” Representatives for both utilities denied they did anything improper.

Massachusetts Attorney General Maura Healey is reviewing the findings,[41][needs update] U.S. Senator Richard Blumenthal asked the Federal Energy Regulatory Commission to open an investigation on the matter, and both the Connecticut Public Utilities Regulatory Authority and the Massachusetts Public Utilities Department are launching inquiries of their own.

On Feb. 27, 2018, FERC announced their investigation “revealed no evidence of anticompetitive withholding of natural gas pipeline capacity on Algonquin Gas Transmission by New England shippers.” It said that following an extensive review Commission staff “determined that EDF’s study was flawed and led to incorrect conclusions about the alleged withholding.”[42]

A class-action lawsuit[43] filed on November 14, 2017 against Avangrid, Inc. and Eversource Energy claims the two companies caused electricity consumers to incur overcharges of $3.6 billion in a years-long scheme that impacted six states and affected 14.7 million people. The lawsuit states that 7.1 million retail electricity customers and an overall population of 14.7 million people have been affected by Eversource and Avangrid's “unique monopoly” spanning at least from 2013 to 2016. On June 10, 2019, the case was thrown out of court as the judge stated natural gas prices are federally regulated and could not be interfered with by the court.. [44]

On December 11, 2017, the utility sent a cease-and-desist letter to the Environmental Defense Fund, demanding the group remove a report from its website that accused Eversource of driving up electricity prices with its contracting practices for natural gas.[45]

See also[edit]


  1. ^ "Northeast Utilities Rebranding as Eversource Energy". RTO Insider. Retrieved 19 March 2015.
  2. ^ "Archived copy". Archived from the original on 2007-10-30. Retrieved 2007-09-19.CS1 maint: archived copy as title (link)
  3. ^ "NSTAR is now Eversource" (PDF).
  4. ^ "Archived copy". Archived from the original on 2014-05-14. Retrieved 2014-05-13.CS1 maint: archived copy as title (link)
  5. ^ a b c d e "Eversource Energy 2020 Annual Report Results" (PDF).
  6. ^ "Eversource Energy". Fortune. Retrieved 2018-12-18.
  7. ^ S&P Market Intelligence (2017-12-04). "Corporate Profile: Eversource Energy". SNL.com. Archived from the original on 2014-05-14. Retrieved 2018-02-16.
  8. ^ a b "Archived copy". Archived from the original on 2014-05-14. Retrieved 2014-05-13.CS1 maint: archived copy as title (link)
  9. ^ "Northeast Utilities Announces New Name". MarketWatch. Retrieved 19 March 2015.
  10. ^ "NStar is becoming Eversource Energy. Here's what you should know. - Business -". The Boston Globe. Retrieved 19 March 2015.
  12. ^ "Northeast Says Merger With Con Edison Has Collapsed". The New York Times. 6 March 2001.
  13. ^ "History". hged.com. Retrieved 19 March 2015.
  14. ^ Northeast Utilities (1 November 2006). "Northeast Utilities Completes Sale of Competitive Generation Business to Energy Capital Partners". prnewswire.com. Retrieved 19 March 2015.
  15. ^ Ailworth, Erin (2010-10-18). "NStar and Northeast Utilities agree to merger". The Boston Globe. Retrieved 2010-10-18.
  16. ^ "NU Closes NSTAR Merger Deal". 2012-04-11. Retrieved 2013-05-16.
  17. ^ Noonan, Amanda (November 29, 2017). "NH Public Utilities Commission Issues Order Approving sale of Eversource Generation Facilities" (PDF). State of NH Public Utilities Commission. Retrieved February 16, 2018.
  18. ^ Feely, Paul (10 January 2018). "Eversource finalizes sale of energy plants". The Union Leader (www.unionleader.com). Retrieved 16 February 2018.
  19. ^ "Eversource enters water business with Aquarion acquisition - The Boston Globe". BostonGlobe.com. Retrieved May 14, 2020.
  20. ^ [1]
  21. ^ "Eversource begins rollout of 400 electric car chargers across Massachusetts; 'range anxiety' seen as enemy to emissions progress". masslive.com. Retrieved 2018-11-28.
  22. ^ Porter, Louis (19 December 2008). "Utilities plan for N.E. expansion". Rutland Herald. Archived from the original on 15 June 2009. Retrieved 9 May 2009.
  23. ^ Daley, Beth (2010-10-23). "Canadian firm offers N.E. more hydropower". The Boston Globe. Retrieved 2010-10-24.
  24. ^ "Quebec is facing its own 'dirty' energy export problem".
  25. ^ "Baker goes with Eversource's Northern Pass - CommonWealth Magazine". CommonWealth Magazine. 2018-01-25. Retrieved 2018-02-11.
  26. ^ "N.H. Site Evaluation Committee Votes Against Eversource's Northern Pass Project". www.wbur.org. Retrieved 2018-02-11.
  27. ^ "Eversource February 22, 2017 Investor Call" (PDF). Retrieved May 14, 2020.
  28. ^ Cousineau, Michael. "Eversource gives up on Northern Pass project after spending $318 million". UnionLeader.com. Retrieved May 14, 2020.
  29. ^ "Higher revenue sparks Eversource's 2Q profits". Hartford Business Journal. Retrieved 2016-02-02.
  30. ^ "New England electric rates to be investigated | New Hampshire". New Hampshire Union Leader. Retrieved 2016-02-02.
  31. ^ "Solar Industry On The Clock As Time Runs Out For Net Metering In New Hampshire". CleanTechnica. Retrieved 2016-02-02.
  32. ^ "Action on solar bill at center of fight between Eversource, National Grid and environmental groups". masslive.com. Retrieved 13 November 2015.
  33. ^ "Solar bill before NH House panel has both sides shifting stances". unionleader.com. Retrieved 13 November 2015.
  34. ^ "TUSK Calls on New Hampshire to Protect Competition and Solar Choice". WTRF.com. Retrieved 13 November 2015.
  35. ^ "Eversource | Political Activity Policy | Eastern Massachusetts". www.eversource.com. Retrieved 2018-02-11.
  36. ^ "AG Healey Testifies Against Eversource Rate Increase". Attorney General of Massachusetts. 2017-03-24. Retrieved 2017-06-24.
  37. ^ "Mass. officials approve Eversource rate hike - The Boston Globe". BostonGlobe.com. Retrieved 2018-02-11.
  38. ^ "AG Healey Appeals Eversource Rate Case Decision". Mass.gov. Retrieved 2018-02-11.
  39. ^ "Golden, Barrett upset over Eversource solar charge". Retrieved 2018-02-11.
  40. ^ "The week in business - The Boston Globe". BostonGlobe.com. Retrieved 2017-11-20.
  41. ^ Krupp, Fred (2017-11-17). "How Local Utilities Gamed the Natural-Gas Market". Wall Street Journal. ISSN 0099-9660. Retrieved 2017-11-20.
  42. ^ "FERC Staff Inquiry Finds No Withholding of Pipeline Capacity in New England Markets" (Press release). Federal Energy Regulatory Commission. February 27, 2018.
  43. ^ "6 New England residents file class-action lawsuit for overcharging against Eversource, Avangrid". FOX 61. 2017-11-17. Retrieved 2017-11-20.
  44. ^ "Judge dismisses antitrust lawsuit against energy providers Eversource, Avangrid - Reuters". Reuters.com. Retrieved 2019-06-10.
  45. ^ "Eversource sends cease-and-desist letter to environmental group - The Boston Globe". BostonGlobe.com. Retrieved 2018-02-11.

External links[edit]