16 Worcester Business Journal • October 12, 2015 www.wbjournal.com
Top clean energy companies
Ranked by number of local employees
Name Local employees Description
Head of company/
Title Year founded
1
Conservation Services Group
50 Washington St., Westborough 01581
508-836-9500 • www.csgrp.com
148 Energy services
Stephen L. Cowell,
Chairman & CEO
1984
2
NEC Energy Solutions
1
155 Flanders Road, Westborough 01581
508-497-7319 • www.neces.com
140
2
Developer and manufacturer of advanced energy storage systems for electric grid,
commercial and industrial markets
Bud Collins,
CEO
2001
3
Ameresco Inc.
111 Speen St., Ste. 401, Framingham 02050
866-263-7372 • www.ameresco.com
117 Provider of energy services
George P. Sakellaris,
President & CEO
2000
4
AMSC
3
64 Jackson Road, Devens 01434
978-842-3000 • www.amsc.com
100
4
Provider serving wind and power grid industry
Daniel P. McGahn,
President & CEO
1987
5
NORESCO
1 Research Dr., Ste. 400C, Westborough 01581
508-614-1000 • www.noresco.com
85 Energy services and consulting
Neil Petchers,
President & CEO
1984
6
EnerNOC
5
100 Front St., 20th Floor, Worcester 01608
508-459-8100 • www.enernoc.com
63
6
Energy technology and services firm for commercial, industrial, institutional,
government and utility customers
Tim Healy,
CEO, Chairman and Co-founder
David Brewster,
President & Co-founder
2001
7
Protonex Technology Corp.
153 Northboro Road, Southborough 01772
508-490-9960 • www.protonex.com
52
Supplier of alternative energy and power management products for military and
commercial needs
Paul Osenar,
Founder, President & CEO
Christopher R. Schuster,
CFO & Treasurer
2000
8
Boston-Power Inc.
2200 West Park Dr., Westborough 01581
508-366-0885 • www.boston-power.com
50
Manufacturer of lithium-ion battery cells, module and block systems engineered for
EV, ESS and industrial applications
Rick Chamberlain,
CTO
2005
8
nrg.HOME Solar
7
101 Constitution Blvd., Ste. G, Franklin 02038
800-757-6527 • www.nrghomesolar.com
50
8
Home solar integration, smart home products
Kelcy Pegler Jr.,
President
2011
10
SolarFlair Energy Inc.
190 Pleasant St., Ashland 01721
508-293-4293 • www.solarflair.com
46 Solar power systems
Matthew Arner,
President
2007
Source: Each company via survey.
Note: AMSC, formerly American Superconductor, did not disclose local employee figure. Based on historical data and workforce reduction estimates, local employee estimate is 75-90. AMSC reports a global workforce of 269 (2014) and 318
(2015) and plans to restructure by consolidating its Middleton, Wisc. unit to Devens and further reducing global employee count.
1
Unit of A123 Systems
2
Figure reported in September 2014
3
Formerly American Superconductor Corp.
4
Estimate from 2014 list
5
Acquired World Energy Solutions in January 2015
6
Number of employees for World Energy Solutions reported in September 2014.
7
Formerly Roof Diagnostics
8
Figure reported in September 2014.
- Compiled by: Roger Magnus, rmagnus@nebusinessmedia.com
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