Jim Chanos and Carson Block, two of Wall Road’s largest brief sellers, fired pictures at Sunrun , saying the residential photo voltaic firm shouldn’t be as “inexperienced” as many buyers suppose. “This firm is the aluminum siding of the twenty first century for individuals who are sufficiently old to know what I am speaking about,” Chanos, founding father of Kynikos Associates, mentioned at CNBC’s Delivering Alpha Investor Summit in New York Metropolis Wednesday. Aluminum re-sidings have been prevalent within the 70s and 80s however they fell out of favor as the fabric was inclined to scratches and dents. “It is a roofing firm. It is mainly a roofing firm with a second mortgage subsidiary hooked up to it. It isn’t a inexperienced firm. It does not produce photo voltaic panels,” Chanos added. Chanos mentioned Sunrun does not produce photo voltaic converters. As an alternative, it buys converters from different and leases to its prospects, Chanos mentioned. Muddy Waters Capital CIO Carson Block mentioned he has a brief place towards Sunrun, taking subject with the way in which the corporate offers with tax subsidies from the federal government. “To the extent that the subsidies enhance, this simply allows corporations like Sunrun to destroy extra capital or extra worth in a shorter time frame,” Block mentioned on the convention. Block mentioned he suspects that Sunrun classifies lots of its gross sales and advertising bills as different working bills. “They’ve tax points and a myriad of different issues,” Chanos mentioned. “However as a result of it is seen as ESG as a result of it is perceived, that is the variant notion and that is the place you may make some huge cash on the brief aspect when everyone believes this.” Shares of Sunrun are down about 9% this yr. Final month, Sunrun responded to Muddy Waters’ assault, saying the brief vendor tried to mislead their readers with “grossly false and inaccurate assertions in a overtly self-serving effort” to mitigate current losses of their brief place. “Muddy Waters has its ‘info’ fallacious. For over 10 years, our buyers, lenders and impartial authorities have carefully diligenced our tax and valuation procedures, which Muddy Waters incorrectly describes,” mentioned Mary Powell, Sunrun’s CEO and Director, in a press release. “Sunrun works exhausting to coach all of our stakeholders, and we recognize that our buyers have spent the time to know renewable vitality financing buildings.”