About Sol-Up
Company Overview
Sol-Up, a privately held company owned by Frank Rieger
HeadquartersLas Vegas, United States
Founded2009
SizeApproximately 100-200 employees ranged in recent years (source: linkedin.com). Approximately 35 employees listed on PitchBook (source: pitchbook.com).
What They Do
Sol-Up is a full-service solar and battery-storage installer specializing in residential and commercial rooftop systems primarily across Nevada and neighboring states including California, Idaho, and Arizona (source: solup.com). Founded by German engineer Frank Rieger, the company engineers and installs solar panels, Tesla Powerwall battery systems, Tesla solar inverters, SPAN smart panels, HVAC, windows, and doors, maintaining an in-house labor model without subcontractors (source: solup.com). Their partnerships with premium brands such as Tesla, SPAN, Panasonic, Enphase, SolarEdge, and Meyer Burger reinforce their focus on quality and reliability (source: solup.com). Sol-Up serves a broad customer base of homeowners and commercial clients, emphasizing energy conservation and turnkey installation solutions with a strong local presence including a Las Vegas showroom and educational seminars (source: linkedin.com).
Projects & Track Record
Since its founding in 2009, Sol-Up has installed more than 15,000 residential and commercial rooftop solar systems across Nevada and neighboring states, marking it as one of the longest continuously operating solar companies in Nevada (source: solup.com). The company has nearly 12 megawatts installed on over 6,000 homes in Southern Nevada alone, demonstrating significant regional impact (source: modernize.com). Sol-Up’s portfolio focuses on residential and commercial rooftop installations rather than large utility-scale projects, reflecting its commitment to local markets and personalized service (source: solup.com).
Recent Developments
In February 2025, Sol-Up celebrated its growth and history by surprising its first Las Vegas customer with a brand-new solar rooftop system at no cost, highlighting its community engagement and long-standing market presence (source: nevadabusiness.com). Around the same period, the company reinforced its premium residential and commercial installation strategy through continued emphasis on Tesla Powerwall offerings, Meyer Burger partnership, and its Las Vegas showroom positioning (source: solup.com).
Working There
Sol-Up offers roles primarily in solar design, engineering, installation, operations, sales, and project management, reflecting its all-employee, in-house execution model without third-party subcontractors (source: solup.com). The company operates multiple offices in the Las Vegas area and Reno, supporting a local market focus and community engagement through its onsite showroom and educational seminars (source: linkedin.com). Additionally, Sol-Up emphasizes technician training and field apprenticeship opportunities through its "Solar University" model, fostering skill development and career growth within the company (source: 702alliance.com). While specific employee benefits are not publicly documented, the company’s strong brand partnerships, local market leadership, and comprehensive warranty offerings create an attractive environment for professionals in the solar industry (source: nevadabusiness.com).
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