American Solar Power reviews
• last updated FEB 26, 2026Loading map...
The Verdict
American Solar Power has a split personality, and you need to know which version you'll get. One homeowner watched a crew show up 15 minutes early, finish a 20-panel install in a day, and leave the yard so clean the only trace was a single plastic water bottle. Another paid for a system with a "100% guarantee," then couldn't get a callback when the savings never materialized. We found strong workmanship signals: 10 reviewers praised the installation quality, and crews routinely passed inspection on the first try. But the post-sale support is uneven. Three customers describe unanswered voicemails, unexpected service fees (one was quoted $250 just to reset a monitoring connection), and guarantees that evaporated after the contract was signed. The company does solid electrical work—the roof attachments are a known weak spot, as one homeowner had to hire a roofer to reseal all the flashings—but whether they'll pick up the phone six months later is a coin flip.
If you're buying panels through Costco or Grape Solar and need a competent installer who'll show up on time and wire everything correctly, American Solar Power can do that. But if you expect responsive support after the system goes live, get every service promise in writing and prepare to be persistent.
Reviews That Shaped Our Verdict
Nancy R. had an efficient solar panel system installed on her roof, but discovered the crew hadn’t sealed the shingles properly around the support-pole flashings. She called in her longtime roofer to reseal each flashing — there were many — and paid $600 for the repairs. When she asked American Solar to reimburse that fee, the company refused, insisting their original work was fine. Because she’s known the roofer for years and trusts his judgment, she believes the resealing was necessary and ended up covering the $600 out of pocket.
Kathy B. bought a home solar system marketed as "100% guaranteed" and discovered it hasn't produced the promised savings. Instead of lower energy costs she ended up with regular monthly charges plus a sizable bill at the end of the year. She reached out repeatedly to Maira Zuniga and Ops Manager Raymond, left several messages, and received no callbacks. Frustration grew into the sense that the guarantee mattered only in marketing, not in service—she felt ignored when she tried to get help. Her lasting detail: the system failed to lower her bills, and the company’s silence from named staff left the problem unresolved.
William in Southern California finally moved forward with a rooftop solar install for his single-story house, choosing a 20-panel system through Costco’s Grape Solar program. He contacted Karen Sonntag at Grape Solar; Karen ran a feasibility study with specialized software and walked him through his monthly electric use before suggesting local installers. William reached out to Steve Roseborough at American Solar Power — Steve immediately pulled the order specs from Grape Solar, turned around a full layout and design within two days, and offered a very reasonable install price, which sealed the contract. Once permits cleared, Steve scheduled his crew for a 7:00 a.m. start; they showed up at 6:45 and completed the 20-panel install in a single day, mounting the inverter inside the garage. The only remaining step was Southern California Edison’s final approval after the city inspector signed off, and by August the array had produced 1.2 megawatts. William found the install team extremely professional and knowledgeable: Surik, Armond, Elmer, Rafael and Stephen left no debris, followed COVID protocols, and kept communication lines open throughout — particularly Steve, who kept him in‑in
Platforms Monitored
Performance by Work Type
How We Got To Trust Score 74
Clean Record
Unauthorized Activities
Passed screening
Misleading Claims
Passed screening
Background Check
Serving customers for 11 years
Operating longer than most installers in the market.
BBB Rating: NR
Poor BBB standing. Significant complaints.
Review Patterns
Licensed Contractor
A valid contractor license is on record.
What You Can Expect
William in Southern California finally moved forward with a rooftop solar install for his single-story house, choosing a 20-panel system through Costco’s Grape Solar program. He contacted Karen Sonntag at Grape Solar; Karen ran a feasibility study with specialized software and walked him through his monthly electric use before suggesting local installers. William reached out to Steve Roseborough at American Solar Power — Steve immediately pulled the order specs from Grape Solar, turned around a full layout and design within two days, and offered a very reasonable install price, which sealed the contract. Once permits cleared, Steve scheduled his crew for a 7:00 a.m. start; they showed up at 6:45 and completed the 20-panel install in a single day, mounting the inverter inside the garage. The only remaining step was Southern California Edison’s final approval after the city inspector signed off, and by August the array had produced 1.2 megawatts. William found the install team extremely professional and knowledgeable: Surik, Armond, Elmer, Rafael and Stephen left no debris, followed COVID protocols, and kept communication lines open throughout — particularly Steve, who kept him in‑in
William decided to finally install solar on his single-story Southern California home after looking at Grape Solar panels through Costco. He contacted Karen Sonntag at Grape Solar; she ran a feasibility study using specialized software, walked him through his monthly electrical usage, and helped him place the order. When he asked for installer recommendations she pointed him to American Solar Power. He reached out to Steve Roseborough, who immediately pulled the order specs from Grape Solar and, within two days, delivered a comprehensive layout, system design, and a very reasonable install price — enough for him to sign with ASP. After permits cleared, Steve coordinated his crew for a 7:00 AM start; they showed up at 6:45. The crew installed 20 panels in a single day on the one-story roof, mounted the inverter in the garage out of the elements, and left a spotless site. The only step left was Southern California Edison’s approval once the city inspector signed off. For August the array produced 1.2 megawatts, and he was impressed by the team's professionalism, knowledge, adherence to COVID protocols, and thorough cleanup — he asked that thanks be passed to Surik, Armond, El
Bruce H. interviewed about a dozen companies, collected detailed bids from five, and chose American Solar Power to install a 54-panel (13 kW) ground‑mount system on a steep 33° hillside. Now in the third month of operation, the array covers more than 90% of his household’s power needs. He credits the choice to the team more than to any single pitch. Tim Pluma, the director of sales and marketing, listened to what they wanted, put together a proposal that matched those needs, answered questions with facts rather than hard sells, and checked back after commissioning to confirm everything was working. On site, Arin the project manager ran a tight, careful crew who stuck to the schedule and kept the site clean each day. They huddled for two to three minutes several times daily to stay aligned — a small routine Bruce found telling, especially given the extra difficulty of the hillside work. The crew handled those challenges and completed the job on time and within budget. David, the permit runner, took on the patience‑testing work of dealing with the L.A. Department of Building & Safety and LADWP, and his persistence helped keep the timeline intact. In the office, Virginia kept the沟