NEPH vs SPRU Comparison

Nephros Inc is a commercial-stage company that develops and sells high-performance water solutions to the medical and commercial markets. In medical markets, it sells water filtration products and waterborne pathogen detection products. In commercial markets, the company manufactures and sells water filters that improve the taste and odor of water and reduce biofilm, bacteria, and scale build-up in downstream equipment. The company's subsidiary is engaged in the development of its second-generation hemodiafiltration system and other products focused on improving therapies for patients with renal disease. The company generates almost all of revenue from product sales and a small amount from royalty revenue and other revenues.

Spruce Power Holding Corp is an owner and operator of distributed solar energy assets across the United States (the U.S.), offering subscription-based services to home solar assets and customer contracts, making renewable energy more accessible to everyone. The Company's customers are homeowners and the Company's core solar service offerings generate revenues through, the sale of electricity generated by its home solar energy systems to homeowners, third-party contracts to sell solar renewable energy credits (SRECs) generated by the solar energy systems for fixed prices and the servicing of those agreements for other institutional owners of home solar energy systems.