Business Details
41 Years
experience
Trusted Solar Contractors & Energy Efficiency Experts
General Energy has been a leader in energy efficiency and sustainable design for over 34 years. Founded in 1985, we specialize in mechanical, electrical, plumbing, and fire protection engineering, alongside full-service solar energy solutions. Our team partners with clients to deliver innovative designs that reduce energy costs, enhance sustainability, and mitigate climate risks. With over 900 completed projects, we serve commercial, institutional, and industrial clients across the Midwest, prioritizing quality, integrity, and client satisfaction through a consultative approach. 
Services
Solar EPC
Energy Efficiency Solutions
Engineering Services
LED Retrofits
EV Charging
Details
- Year established: 1985
Highlights and features
- 34 years of expertise in energy efficiency and solar systems.
- Strategic partnership with SunPower, the #1 commercial solar provider.
- Comprehensive MEP/FP engineering and solar installation services.
- Proven track record of saving clients millions in energy costs.
- Certified professionals with LEED, NABCEP, and ASHRAE affiliations.
Associations and certifications
- ComEd Energy Efficiency Service Provider Innovator Award
- SunPower Regional Intelegant Award for Commercial Solar Installation
- Constellation Energy Top EME Alliance Partner
- ASHRAE National-level Technology Award
- AEE Chicago Chapter Energy Project of the Year
Services
Solar EPC
Our Solar EPC services deliver end-to-end solar energy systems tailored to commercial and industrial needs. We design, engineer, and install solar PV systems using SunPower technology, ensuring maximum efficiency and cost savings. Clients benefit from reduced electricity bills, federal tax credits, and long-term sustainability.
Energy Efficiency Solutions
We conduct comprehensive energy audits and implement efficiency measures to cut costs and improve sustainability. Services include LED retrofits, HVAC optimization, and compressed air leak repairs. Clients achieve measurable savings through utility incentives and reduced operational expenses.
Engineering Services
Our MEP/FP engineering covers mechanical, electrical, plumbing, and fire protection systems. We provide design, analysis, and implementation for new and existing facilities, ensuring compliance with safety standards and energy efficiency goals across diverse sectors.
LED Retrofits
LED retrofit projects replace outdated lighting with energy-efficient solutions, reducing electricity use by up to 50%. We handle design, installation, and incentive applications, delivering immediate cost savings and improved lighting quality for industrial and commercial spaces.
EV Charging
We design and install EV charging stations for commercial properties, supporting sustainability initiatives and modernizing facilities. Our solutions integrate with solar systems to offset energy use, offering scalable options for fleets and public access.
People
Prem Mehrotra
President/CEO
Prem founded General Energy in 1985 and has led its growth into a leader in energy efficiency. A licensed PE and LEED AP, he has over 40 years of experience in renewable energy and engineering, with accolades from ASHRAE and AEE.
Tony Jaswal
Executive Vice President
Tony oversees business development and strategic planning. A certified energy manager, he has 15+ years of experience in energy efficiency projects for industrial clients, specializing in process cooling and lighting retrofits.
Vishal Shah
Director of Operations
Vishal leads solar and energy efficiency project implementation. With a decade of expertise, he specializes in solar PV design, compressed air systems, and energy savings analysis, holding certifications from NABCEP and AEE.
John Clai
Vice President of Operations
John manages electrical and mechanical systems design with 35+ years of experience. He holds certifications in facility management and oversees complex projects for healthcare, commercial, and industrial clients.
Fred Tongsy
Sr. Mechanical Engineering Consultant
Fred provides mechanical engineering expertise for HVAC and plumbing systems. With 35 years of experience, he specializes in energy audits and system optimization for high-rise and industrial facilities.
Questions
What services does General Energy offer?
We provide solar EPC, energy efficiency solutions, MEP/FP engineering, LED retrofits, and EV charging infrastructure for commercial and industrial clients.
How can solar energy benefit my business?
Solar reduces electricity costs, offers federal and state incentives, and enhances sustainability. Our SunPower systems provide reliable, high-efficiency solutions with 25-year warranties.
Do you offer financing options for energy projects?
Yes, we assist with performance-based financing and utility incentives to make energy upgrades cost-effective and accessible.
What industries do you serve?
We work with commercial buildings, industrial facilities, healthcare, education, government, and religious institutions across the Midwest.
How do you ensure project success?
We follow a structured process: assessment, engineering, implementation, and monitoring. Our team of certified experts ensures on-budget, on-schedule delivery with measurable savings.
What sets General Energy apart from competitors?
With 34 years of experience, SunPower partnership, and a track record of 900+ projects, we combine technical expertise with client-focused solutions for long-term value.
