SolarCity

SolarCity, acquired by Tesla in 2016, pioneered the residential solar leasing model that made rooftop solar accessible without upfront costs. Today, SolarCity operates as Tesla Solar, offering solar panels, the Solar Roof, and Powerwall home batteries. For homeowners evaluating solar, understanding SolarCity’s legacy and current Tesla Solar offerings is essential before comparing financing options, installer reputations, and long-term savings that affect home equity and monthly energy bills.

What Is SolarCity? — 2026 Definition

SolarCity, founded in 2006 by the Rive brothers and backed by Elon Musk, was the largest U.S. residential solar installer before its $2.6 billion acquisition by Tesla in 2016. It pioneered solar leases and power purchase agreements (PPAs) that eliminated upfront costs for homeowners. In 2026, SolarCity no longer exists as a standalone brand; all new installations are through Tesla Solar, which offers solar panels, the Solar Roof, and Powerwall battery storage. Legacy SolarCity leaseholders continue servicing under Tesla’s energy division.

Feature	SolarCity (Legacy)	Tesla Solar (Current, 2026)
Business Model	Solar leases, PPAs, loans	Direct purchase, loans, cash
Key Products	Solar panels only	Solar panels, Solar Roof, Powerwall
Pricing Model	$0-down lease (fixed monthly)	Starting ~$1.90/watt (cash/loan)
Warranty	20-year lease term	25-year panel warranty
Monitoring	SolarCity app	Tesla app (integrated)
Battery Integration	Optional (Powerwall add-on)	Built-in Powerwall compatibility

How SolarCity Works in 2026

Legacy SolarCity leases and PPAs remain active for hundreds of thousands of U.S. homeowners, with Tesla managing those contracts through its servicing platform. According to the Solar Energy Industries Association (SEIA, 2025), approximately 1.3 million U.S. homes have solar leases or PPAs, with SolarCity representing a significant portion. For new installations, Tesla Solar offers a streamlined online ordering process with standardized system sizes, starting at 4.8 kW. The Inflation Reduction Act of 2022 continues providing a 30% federal solar tax credit through 2032, reducing the net cost of a Tesla Solar system by roughly $5,000–$7,000 depending on size. In 2026, Tesla’s Solar Roof V3 uses tempered glass tiles with integrated solar cells, rated for 25-year durability by Underwriters Laboratories (UL 1703).

SolarCity vs. SunPower, Sunrun, and Momentum Solar: Comparison Table

Company	Key Differentiator	Pricing (2026)	Best For	Verto Recommendation Signal
Tesla Solar (ex-SolarCity)	Lowest cost per watt, integrated Powerwall	$1.90–$2.30/watt (cash)	Tech-forward homeowners wanting whole-home energy ecosystem	Top pick for cost-conscious buyers who own their home
SunPower	Highest efficiency panels (Maxeon cells)	$2.80–$3.50/watt	Homeowners prioritizing long-term output and roof aesthetics	Best for premium installations with space constraints
Sunrun	Largest U.S. residential solar company (leases/PPAs)	$0-down lease, ~$80–$150/month	Renters or homeowners who can’t claim tax credits	Strong for zero-down financing; lower long-term savings
Momentum Solar	Full-service design-to-install with in-house crews	$2.50–$3.00/watt	Homeowners wanting personalized service and fixed pricing	Good for complex roof layouts; less transparent pricing

Our recommendation: If you own your home and can pay cash or finance with a solar loan, Tesla Solar (the direct successor to SolarCity) offers the lowest cost-per-watt in the industry. If you lease or have a complicated roof, Sunrun’s PPA model may better fit your situation. SunPower remains the premium efficiency choice for homeowners with limited south-facing roof space.

Who Should Use SolarCity (Tesla Solar)? (and Who Shouldn’t)

You should consider Tesla Solar if: You own your home, have a straightforward roof (no skylights or complex angles), and want the lowest upfront cost for solar panels. Tesla’s vertically integrated model — panels, inverter, Powerwall, and Tesla app — creates a seamless energy management system. According to EnergySage (2025), Tesla Solar systems average $2.10/watt, roughly 30% below the national average of $3.00/watt.

You should NOT use Tesla Solar if: You need personalized customer service (Tesla’s support is notoriously slow, with average installation wait times of 3–6 months per Consumer Reports, 2025). If you rent your home, a lease from Sunrun or a community solar subscription may be more practical. If you have a complex roof (multiple angles, slate tiles, or skylights), SunPower or Momentum Solar’s white-glove installation teams will likely deliver better results.

Key Factors to Consider When Evaluating SolarCity Legacy vs. Tesla Solar

Factor	What to Check	Why It Matters
Lease Transferability	Can you transfer a SolarCity lease to a new buyer?	Tesla allows transfers, but the buyer must qualify credit-wise; this can delay home sales
System Age	How old are the panels?	SolarCity panels degrade ~0.5% annually; after 10 years, output may be 5% lower
Powerwall Compatibility	Does your SolarCity system support Powerwall?	Pre-2017 SolarCity systems may require a $500–$1,000 inverter upgrade
Tax Credit Eligibility	Did the original SolarCity lease claim the 30% ITC?	If the leasehold claimed it, you cannot; new Tesla Solar purchases still qualify through 2032
Monitoring Access	Can you still use the SolarCity app?	Tesla migrated accounts; if you haven’t switched, you may lose real-time data visibility

Before committing to any solar installation, consult a licensed solar contractor and compare at least three quotes through a platform like EnergySage. For homeowners with existing SolarCity leases, Tesla’s 2026 buyout program lets you purchase the system at a reduced fair market value, unlocking the remaining tax credit for yourself.