

Bell Harbor International Conference Center
Seattle, WA
October
15 + 16, 2025
Bell Harbor International Conference Center
Seattle, WA
October
15 + 16, 2025
Join Mayfield Renewables and subject matter experts from around the solar-plus-storage industry for 2 full days of technical training at the Bell Harbor International Conference Center in Seattle, Washington (October 15-16.) Enjoy best-in-class technical education and invaluable networking with like-minded leaders and learners in the solar and storage industry!
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Generac is a leading energy technology company committed to powering a smarter world. Founded in 1959, Generac introduced the first affordable backup generator and later created the category of automatic home standby generators. Their purpose is to lead the evolution to a more resilient, efficient, and sustainable world through our backup and prime power systems. As a company, they are committed to sustainable, cleaner energy products poised to revolutionize the 21st century electrical grid.
Learn more: https://www.generac.com/
Topsis Energy provides clean energy engineering, project development, and consulting services. They support microgrids, commercial & utility-scale PV + BESS, and critical infrastructure projects across North America, Europe, Africa, Asia, and the Caribbean. Specializing in feasibility analysis, system design, regulatory compliance, investment due diligence, and execution strategy—helping developers, utilities, and investors move projects forward efficiently.
Learn more: https://topsisenergy.com/
Megger Renewables is dedicated to supporting a sustainable energy future with advanced testing, monitoring, and diagnostic solutions for renewable systems like solar and energy storage. We address key challenges across renewables, including cable and generator faults, power quality issues, and transformer insulation deterioration, ensuring secure operations and longer asset lifespans.
Our solar testing solutions maintain the efficiency and reliability of photovoltaic systems, while our energy storage tools provide insights to optimize battery health and energy use.
With over 130 years of expertise, Megger offers renewable energy leaders a comprehensive range of solutions to protect their investments and deliver clean, reliable power. Trust us to ensure your solar and energy storage systems are efficient, reliable, and ready for the future.
Learn more: https://www.megger.com/en-us
Mavericks Microgrids and Virtual Power Plants develop, finance and own / operate carbon neutral and carbon negative microgrids / virtual power plants. Their technologies include Energy Storage, Solar / PV, CHP, BioDigesters, IoT, EV chargers, infrastructure, and more. The markets they serve include Commercial, Industrial, Manufacturing, Residential Development, Government, and others.
Learn more: https://mavericks.energy/
Maddox provides transformers for renewable projects with the fastest lead times in the industry. They have thousands of units in stock and ready to ship from locations across the USA. Whether you need electrostatic shielding, wye-wye windings, grounding transformers, or solar duty padmounts, their team has the know-how and experience to get you what you need.
Learn more: https://www.maddox.com/
Maddox is a proud sponsor of the “Transformer Grounding & Interconnection Considerations” session.
GridVest makes energy storage systems accessible and affordable, empowering businesses, communities, and utilities to lower energy costs and transition to renewable energy.
Learn more: https://gridvest.com/
GridVest is a proud sponsor of the “Microgrid Economics and Financing” session.
SolArk puts a strong emphasis on education & training both internally and for their customers. SolArk is a global energy technology leader with over 6 generations of hybrid inverters. Backed by a vast ecosystem of thousands of partners worldwide, including distributors, installers, EPCs, integrators, and battery manufacturers. They are the trusted inverter choice for quality systems across the industry landscape.
Learn more: https://www.sol-ark.com/
SolArk is a proud sponsor of the “Large-Scale Fire Testing Updates for Energy Storage Systems” session.
Outfit, is a cleantech marketing agency, that works with leading project developers, manufacturers, and B2B service providers in the energy transition.
Learn more: https://www.weoutfit.co/
Solar Builder Magazine is a trusted source for the latest solar news in North America since 2011. They focus on the installation and construction of solar PV systems, covering the latest PV technology and providing installers and contractors with tips and tools to make informed purchasing decisions.
Learn more: https://solarbuildermag.com/
NABCEP is a highly esteemed and widely recognized certification organization for professionals in the renewable energy field. They offer the gold standard in certifications and credentials for skilled professionals, specialists, inspectors and those new to working in the industry.
Learn more: https://www.nabcep.org/
Washington Solar Energy Industries Association (WASEIA) is a professional trade association established to represent the common business interests of its members, particularly related to public policy, legislation, and governmental relations. WASEIA plays a crucial role in promoting solar power policies, collaboration within the industry, and educating the public about the benefits of solar energy.
Learn more: https://waseia.org/
Remote Energy is a not-for-profit organization that provides customized solar electric curriculum development, training, and educational programs. They partner with organizations looking to use renewable energy to address issues relating to jobs, health, clean water, education, gender equality, and poverty.
Learn more: https://www.remoteenergy.org/
MZ Solar Consulting is a consulting firm based in Seattle that specializes in microgrid/resiliency, photovoltaic and electric vehicle infrastructure design and feasibility, project development, system analytics, and more.
Learn more: https://www.mzsolarconsulting.com/
ELM Companies is a technology based team that provides compliant products and services to various sectors, including utilities, manufacturing, construction, and others, to enhance grid reliability and streamline distribution.
Learn more: https://elmllc.com/
Sulis Energy is an energy solutions provider based in Washington, specializing in engineering, procurement, construction, and management (EPCM) for complex projects in the utility, industrial, and commercial energy sectors, including solar, storage, and microgrids.
Learn more: https://www.sulisenergy.com/
Solar Energy International (SEI) is dedicated to empowering students, alumni, and partners to cultivate a diverse, inclusive, well-trained, and educated solar workforce, as well as to promote the safe deployment of industry-leading technology. SEI has provided leading in-person training at their facility in Peonia, Colorado for decades as well as their platform for online learning.
Learn more: https://www.solarenergy.org/
HeatSpring is one of the leading providers of clean energy certifications like NABCEP, OSHA, FAA, and others. The HeatSpring platform includes over 300+ courses serving a community of over 118,500+ professionals.
Learn more: https://www.heatspring.com/
CPS America (Chint Power Systems America) is the leading U.S. supplier of 3-phase string inverters for commercial, industrial, and utility-scale solar projects. With over 10 gigawatts installed across 20,000+ sites nationwide, CPS has maintained the #1 market share in its category for seven consecutive years. Headquartered in Richardson, Texas, with additional offices in New Jersey and California, CPS America delivers innovative, cost-effective solutions—including high-power 1500V string inverters and integrated energy storage systems—that enhance energy production and system reliability.
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