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21st Century Power Solutions

5.0 (1 review)
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Solar system installation

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8 years ago

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Bee Happy Solar

Bee Happy Solar

(7 reviews)

Bee Happy solar not only did a great job getting my solar panels installed, they also managed to do…read moreit before the federal rebate ran out with very limited time. The owner, Elena, was very professional, always helpful when we called with questions, and A pleasure to work with. The experience was great and I'm loving my $8 electricity bills (basically the connection to the grid fee)

For several years, I had considered going solar, and after thorough research, I finally decided the…read moretiming was right. That's when the real work began. I was very specific about how I wanted my 10 KW system designed--both in scope and budget. I also wanted to work with an installer who was deeply familiar with the incentives available in my area. That criterion alone narrowed down the list significantly. When I began reaching out to various companies, I quickly discovered a frustrating trend: many solar installers were locked into a rigid, one-size-fits-all approach and were unable (or unwilling) to work outside of a limited system design. My project required string inverter build, which further complicated the search. Another challenge I encountered was a general lack of knowledge among some companies' sales teams. Many couldn't confidently discuss critical elements like system components or even the federal Investment Tax Credit (ITC), which is currently in the phase-out period--making it even more urgent for homeowners to act now. After speaking with many companies, I had the good fortune of connecting with Ms. Elena Zenke, owner of Bee Happy Solar. From our first conversation, I knew she was different. She was knowledgeable, flexible, and respectful of both my timeline and payment preferences. She welcomed my involvement in the design process, listened to my needs, and collaborated with me to ensure the system met my vision. Bee Happy Solar is the only company I know of that offers both string inverter and micro inverter solutions, which speaks to their technical versatility. A few months after my installation, I upgraded my home modem and lost connection to my inverter's monitoring system. Elena personally came back to my home and assisted with a support call to the micro inverter manufacturer until the issue was resolved. That level of post-installation service truly solidified my trust in her and her company. The installation crew was professional, efficient, and meticulous in their work. One of the installers even helped me resolve a minor issue with my skylight--completely unrelated to the solar project--and did so at no charge. That act of generosity did not go unnoticed. Post-installation, Ms. Zenke continued to go above and beyond. She assisted in completing additional paperwork for incentives such as the Baltimore County Property Tax Credit and the Maryland Solar Access Grant. In summary, Bee Happy Solar exceeded my expectations at every stage--design, installation, follow-up, and incentive processing. I would enthusiastically recommend them to anyone considering solar, especially if you're looking for a customized approach backed by exceptional service and expertise.

Sky NRG Solar

Sky NRG Solar

(30 reviews)

They were timely in response . Technician were knowledgeable and customer service oriented. Thank…read moreyou for being value focused and outcome oriented. Recommend for all solar needs including installation and servicing

After choosing a rooftop-mounted solar system, I researched panel options and chose REC panels. Sky…read moreNRG Solar appeared on REC's site as a certified installer, so I added them to my list of prospective providers. Megan from Sky NRG provided a detailed quote and patiently answered my many questions about the different REC panels on the market. I ultimately chose Sky NRG based on my interaction with her and positive reviews on Google and Reddit. I also preferred a local installer in Northern Virginia, and Sky NRG fit that requirement perfectly. We signed the contract on July 26, and the panels were installed on September 10. Megan handled the HOA permissions, and the installation was completed ahead of schedule when Sky NRG found an opening that suited me. Juan and his team managed the installation with careful attention to the aesthetics of the panel placement. Robert, Sky NRG's CEO, was present during the installation, underscoring their commitment to customer satisfaction. We discovered issues with my existing electrical panel during the process, and Robert recommended replacing it. Based on the quality of work by Juan and the overall experience with Sky NRG, I opted to have them handle the panel replacement rather than seeking other bids. Juan completed the job, and I'm pleased with the result. We received Permission To Operate (PTO) from Dominion Energy on October 28, and since then, we've been consistently exporting energy to the grid. I'm delighted with Sky NRG. They never tried to upsell, were always responsive to my questions, and offered a competitive price lower than other bids. Megan and Robert continue to stay involved, and I am confident about their prompt attention to address any future issues. Highly recommended!

Revolution Solar - Flat roof solar installation in DC

Revolution Solar

(10 reviews)

Shaw

I had solar panels installed on my house back in 2012. Four of the microinverters stopped working…read moreand the manufacturer sent four new ones. However, the service warrantee expired and the servicer, Omnidian, would not service even though I offered to pay for it. After searching for a solar provider that would actually do repairs and not have ridiculous pricing (one provider wanted to charge a $500 "truck usage" fee, in addition to an hourly rate), I found Revolution Solar who offered a fair and reasonable hourly, I first spoke with Irvin in Sales who immediately connected me with Brian in Operations. Brian arranged for Jose to come out to do the repair. Jose was on time and courteous. Unfortunately, the microinverter manufacturer sent the wrong cable, so the microinverters could not be replaced that day. Jose ordered a replacement cables for me. When they arrived, Jose came back out, again on time, and replaced the microinverters in about an hour. I cannot recommend Revolution Solar enough. When I buy my next house, I will call Revolution Solar directly to arrange for solar panel installation.

I was contacted by Revolution Solar in relation to a program through the city to obtain solar…read morepanels. I was super skeptical, but decided to hear them out and I glad that I did. The process was super easy and seamless. They were very communicative and followed through. I am very pleased. I have referred them to at least 5 other people. Oh, and the program I used is not income based and I received the panels for free. They even sent me pics when I requested.

Lumina - Montgomery County, PA

Lumina

(33 reviews)

I had a great experience with Lumina Solar when one of the inverters for my solar panels on the…read moreroof needed to be replaced. Their team was very responsive, scheduled the service quickly, and the crew showed up right on time. The replacement went smoothly and was completed much faster than I expected. The technicians were professional, efficient, and respectful of my property. I also have their SolarInsure 30-year warranty, which I highly recommend to anyone installing solar with them. Because of that coverage, the inverter replacement was fully covered and I didn't have to pay anything out of pocket. It made the whole process completely stress-free. Really appreciate the prompt service and hassle-free support--highly recommend Lumina Solar!

AVOID AT ALL COSTS - I am a real-estate investor and multiple homes owner, and all of the…read moreproperties I work with have solar panels. I am not new to the process, experience, or services rendered when it comes to solar panels. Working with this company has been the worst experience I have had to deal with, ever. They don't understand basic transactions with the electric company; they don't know how to smoothly transfer ownership from one party to another during a sales process; and to top it all off, they work extremely slow and are horrible with communication with their customers leaving you wondering if you are just stuck out of luck because they are "ghosting" you. Please, before deciding to work with them reach out to me and learn about my experience with them compared to other solar companies in the DMV area. I will be happy to take the time to save others from this headache.

21st Century Power Solutions - solarinstallation - Updated May 2026

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