Sunrun Inc. operates as a leading force in the residential renewable energy sector, specializing in making solar power and battery storage accessible to homeowners across the United States. The company designs, finances, installs, monitors, and maintains comprehensive home energy systems, effectively transforming rooftops into personal power plants. Its core offerings include state-of-the-art solar panels and Brightbox battery storage solutions, often bundled into integrated solar-plus-storage packages.

Operating primarily on a "solar-as-a-service" model, Sunrun allows customers to adopt clean energy with little to no upfront cost through long-term leases or power purchase agreements (PPAs), where they pay for the electricity generated rather than owning the hardware outright. This subscription-style approach, alongside direct system sales, has propelled Sunrun to become the nation's largest residential solar installer, boasting over a million customers across 22 states and 5,000 cities. Its competitive edge stems from this immense scale, innovative financing structures that securitize customer contracts, and an integrated operational platform.

However, this model, which aims to provide predictable, affordable energy, also necessitates a significant, multi-decade bond between the company and its clientele. This enduring relationship, while offering stability, has ironically become a focal point of contention. Various state attorneys general (including Texas, Connecticut, and Colorado) and federal regulators are currently scrutinizing Sunrun for alleged deceptive sales practices, including claims of overstating savings and failing to clearly disclose the intricate terms of these lengthy contracts. It seems that while the sun provides infinite energy, the fine print on a 20-year agreement can feel equally boundless, leading to thousands of customer complaints about unexpected costs and post-installation support that sometimes feels as elusive as a cloud on a sunny day. The company's mission to "power modern living" sometimes translates to a rather committed, almost marital, obligation to your rooftop energy provider.