Meet Our Team – It’s Second to None

Professional, friendly, exceptionally talented and experienced solar industry leaders make Sunwatt Solar the exceptional company that it is.

At Sunwatt, we all are passionate about Solar and we seek to advance solar energy in Rhode Island and Massachusetts.  We are also interested in building a successful company and have made investments in people in all areas of our business so we can provide our customers with the best possible experiences.

Our Licenses

MA Master Electrician #A17360
RI Master Electrician #A003509
MA Home Improvement Contractor #180964
RI Contractor #38504
RI Renewable Energy Professional RI REPC-105

Peter Hughes

Owner and Business Director – NABCEP PV Installation Professional

A NABCEP certified solar PV installation professional and a RI certified renewable energy professional, Pete has been active in the solar industry for five productive years. He has installed, maintained, managed, and designed projects ranging from 4kW rooftop arrays to 1+MW ground mounted installations. In addition to playing a key role in the buildup of two successful solar PV companies in the US, Peter developed eight community savings and loan banks that continue to offer access to credit to poor rural communities while serving as a Peace Corp Volunteer in Nicaragua.

As Business Manager, Peter oversees daily operations for SunWatt; managing the sales and project management team, coordinating with SunWatt customers, and maintaining a high level of quality control throughout the course of each SunWatt project. Born in MA, Pete has worked on solar projects from MA to NJ and is now happy to call RI home.

Walter Mahla

Owner – Rhode Island Renewable Energy Professional

Walt founded Sunwatt Solar LLC in 2014 to focus on residential and small commercial solar projects.  His other solar company, Megawatt Energy Solutions, LLC, focuses on larger commercial projects.  For more information about Megawatt, please click here.

He holds a BSEE from Virginia Tech, a MSEE from Purdue, and has worked in networking and communications applications for Infinet, CrossComm, US Robotics (3 Com), and was one of the founders of Broadband Access Systems, Inc. Since 2002, he has also worked in construction and real estate development.

Walt combines his extensive knowledge and experience in electronics with a personal commitment to the deployment renewable energy in Rhode Island and Massachusetts.  The vast majority of roofs (those without solar) can be turned in to productive spaces through the installation of solar power systems.  Let’s go solar!  It only makes sense!

He drives an all-electric car and he has owned a home that powered by solar PV, solar thermal, and geothermal systems.

Steve Lambert

Owner and Director of Operations – Master Electrican in both MA and RI

A lifelong resident of MA, Steve began his career as an electrician in 1983 and managed his own electrical contracting company for over 25 years. With the growth of the renewable energy industry in SE New England, he began to focus on solar PV and was hired by Megawatt Energy Solutions, LLC to coordinate residential installations in February 2014. He transitioned to Manager of Installations in 2014 for SunWatt Solar, LLC.

Steve manages all the field operations for SunWatt, pulling permits, supervising crews and installations, and performing inspections. He holds a Master Electricians License in both RI and MA.

Daryll Issa


Prior to joining Sunwatt Solar, Daryll worked for 6 years in the MA renewable energy market: 3 years as a home energy advisor and 3 years as a solar consultant.

Daryll has four certifications in the Renewable/Green Energy: BPI Building Analyst Professional & Envelope Shell Specialist, LEED Green Associate, and Certified Solar Thermal Installer.

In addition to providing you with the best solar options available for your home or business, Daryll takes a “whole house approach” and evaluates the entire property to identify any other energy saving measures such as insulation/weatherization deficiencies, heating/domestic hot water systems, central A/C & Heat Pumps, and lighting upgrades.

Daryll is well versed in all facets of energy efficiency and will help you acquire any associated financial incentives or rebates that might be available through the various utility companies in MA and RI.

Daryll is originally from Pawtucket, RI but has lived in Texas, New Jersey, and Fort Bragg, NC (while serving in the US Army). He now resides in the Common Fence Point neighborhood of Portsmouth, RI with his girlfriend Rachel, their daughter Ava, and their dog Zeus.

They are “true Rhode Islander’s” who enjoy fishing, sailing, diving, clamming, cooking, craft beers, hiking, and traveling.

In 2001, Daryll came in 1st Place in the annual Back Eddy Striper Derby which takes place in Westport, MA Columbus Day Weekend.

He also recently took 2nd place in the Homemade Stuffie (stuffed clams) Competition during the during the Bristol Harbor Festival in 2016.

Dana Weinberg


Dana got started in solar working as a marketing consultant for a Massachusetts based start-up focused on developing innovative solar solutions for New England. His background is in marketing and business development where he has worked on branding and growth strategies for several small businesses. He is a native New Englander who holds a BS in marketing and an MBA in finance from the University of Massachusetts.

Dana is leading the effort at SunWatt to educate consumers about the feasibility and financial benefits of solar in Rhode Island and Massachusetts. He is working on establishing local partnerships, creating a strong digital presence and building brand awareness about the quality of work and high level customer service SunWatt delivers to its clients.

Gail Scanlon

Project Administrator

Gail has been actively involved in solar PV in Rhode Island and Massachusetts since 2013.  She has worked on large megawatt projects in addition to residential installations. As Project Administrator for Sunwatt she has been assisting customers navigate the sometimes complex world of state and federal incentive programs and utility interconnection policies.  She has interfaced extensively with our local renewable energy agencies and is familiar with utility requirements, incentive applications and all accompanying paperwork needed to bring solar PV installs to completion and interconnection.  Gail is a member of WISE – Women in Solar Energy, a non-profit organization whose mission is to advance women in all aspects of the solar industry.

Gail loves art, interior design and her Boston Terrier, not necessarily in that order.

Joe Rand

Outreach Coordinator

Joseph is an environmentalist with the goal of solving the planet’s energy and pollution challenges, starting with his community. As Outreach Coordinator, Joseph uses experience raising public awareness for environmental issues to educate people about the benefits of solar electricity. He graduated in 2013 from the University of Rhode Island with a Bachelor of Science in Environmental & Natural Resource Economics, has worked as a residential solar P.V. installer, and continues to conduct outreach for environmental causes.  He received his NABCEP certification in PV sales in October 2016.