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Solar Energy Services
1514 Jabez Run
Millersville, Maryland 21108

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Solar Plus Storage is Ready for Prime-Time Backup Power for your Home

As we’ve seen the cost of solar drop rapidly in the last ten years (more than 80%), we continued to endure those naysayers in the distance arguing that “no matter how cheap you make solar; much like wind, it will never dominate the energy landscape because of intermittency.” It’s hard to believe people still say “Never” in the context of technology? That term only provokes our great American drive and ingenuity, which continues to deliver. Witness electric storage costs have dropped 80% in the last eight years, outpacing the dramatic solar cost reductions!

Battery technology today

Today, electric batteries continue to back up solar in more and more markets every year. Batteries are giving solar system owners a lot more control and choice about energy independence, while giving grid operators a game changing tool to help manage the modern grid with greater economic efficiency. We’ll talk more about the how and why, later in this post.

Storage market is heating up

So far SES has contracted for 7 battery installs already this year in Maryland, up dramatically from 2017. The residential solar plus storage market has begun to take off in many markets. In fact, the preferred battery suppliers were out of stock for more than 4 months this year, both from increased demand to complement solar projects, but also due to the soaring demand increase for Electric Vehicles (EVs) that use the same battery technologies.

Storage is like bacon

Why is storage so valuable? One of my favorite energy experts, Katherine Hamilton (https://38northsolutions.com/team/bios/) once said that “storage is like bacon, it makes everything better.” Storage has almost a dozen value streams that can be monetized now or in the future. The two biggest and most obvious value streams are that it can provide extra capacity in times of high demand, and it can provide extra demand in times of excess capacity. In both cases, it provides stabilizing value to the grid and more efficient use of generating assets.

A testament to the value of storage on the grid was seen several years ago when the California Public Utilities Commission required utilities to procure a minimum amount of storage. Not only did the major utilities comply, they all procured more storage than mandated. They are well aware, storage helps them modulate an increasingly dynamic and decentralized grid.

Residential Solar Panels Anne Arundel County MD

Why should I consider solar plus storage for my home?

If you deploy solar along with your energy storage solution, you can utilize the same federal tax benefits as you do for solar, namely the 30% investment tax credit. In Maryland, you are eligible for an income tax credit on the storage portion of the system, in addition to the other state solar incentives (https://energy.maryland.gov/business/Pages/EnergyStorage.aspx). As a result, the economics in Maryland for residential solar + storage are much improved from a few years ago.

The main reason our residential customers are deploying energy storage is for backup power during a grid outage. This is typically done by way of an essential loads subpanel in their electric system. SES often installs these subpanels as part of our solar + storage project.

Another factor driving this trend is a residential customer’s desire to position themselves to cut the cord in the future, if the utility relationship becomes unappealing or uneconomical for them.

Lastly, future changes to electric rate design and/or net metering policy, could present solar + storage owners the ability to increase their savings or even generate revenue from the services that their frequently-idle storage can provide.

Are you building a new home and want to be sure it is ready for the energy architecture of the future? It’s easier than you think. Ask your builder or electrician to insure you have an essential loads subpanel (to use with electric battery storage, or possibly a generator). Secondly, request they install an empty (capped) electrical conduit from attic to electric room for us to easily add your solar energy conducting wire in the future.

Please see Roger Perry’s technical writeup on residential storage applications recently implemented by SES.

What has brought about this market opportunity?

Electric storage has long been an essential part of any true off-grid solar/wind application and this is where the earliest developments have taken place. As solar began to penetrate the grid in the last 10 years, there has been a lot of R&D investment in this future “holy grail” of renewable energy development. The investment is now paying off.

Storage broke into the US grid-tied market about five years ago. In the case of Hawaii, it was mostly a market driven change. Extremely expensive power, a grid congested with rapid solar growth, denials and delays of solar interconnection applications, and abundant sunshine, all contributed to the new paradigm. This resulted in economics that justified a certain segment of residential customers in Hawaii to cut the cord and embrace storage as a long-term solution. This sent an alarming message to utilities around the world: You better embrace these changes or plan to go the way of the buggy whip!

At about the same time, California’s PUC mandated a specific quantity of storage on the grid, much of it behind the meter. The utilities went on to exceed that mandate in the first auction and later in 2017, the target was increased again, with little to no resistance. In the past year, we’ve seen California utilities choose new battery storage over new gas fired peaker plants to meet peak loads in three separate cases. This is a tremendous validation of the economics of storage, particularly in an age of record low natural gas prices.

What’s ahead for energy storage?

The horse is out of the barn. Distributed energy generation combined with storage, will be the foundation of the future electric grid. The role that storage will play in this transformation will be enormous at the macro level, but somewhat uncertain at the micro level due to regulatory policy, incentives, and local market conditions.

We should expect to see strong storage growth in markets with the following attributes:

  • Places where local or state incentives are promoting storage – Maryland is one of them.
  • Markets where system owners can capture supplemental revenue from their storage investments (Our grid operator, PJM has piloted bundling distributed storage as a revenue generating resource for storage system owners)
  • Markets with high electric rates or Time of Use (TOU) rates.
  • Markets where electric “demand charges” represent a large cost for commercial and industrial (C&I) customers. This is because storage can dramatically lower a building’s electricity demand profile, and thus add energy bill relief to a portion of the bill where solar has had limited impact.
  • Microgrids are increasingly popular, particularly with campus style environments and military installations. These applications will increase storage demand and further drive down costs through scale and experience.

Next steps

Be sure to contact SES if you are interested in solar + storage. We will be happy to design a system that is customized to your needs. As always, we’ll provide you all the support you need to capture the Maryland solar grant and the storage tax credit (which has a limited budget) so contact us right away.

Press Release: Solar at the Chesapeake Bay Foundation

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Press Statement
6-15-15

Solar Service, Home Solar Panels, Chesapeake MDCBF Merrill Center to Install 106 kW Solar System

(ANNAPOLIS, MD) The Chesapeake Bay Foundation (CBF) and Solar Energy Services, Inc. (SES) announced an agreement today for SES to design and build a 106 kW, grid-tied solar photovoltaic system at the Philip Merrill Environmental Center, CBF’s headquarters.

The Merrill Center rooftop solar system will include more than 370 solar panels from US manufacturer SolarWorld, as well as inverter systems from Solar Edge. The panels will be installed primarily on the available roof tops, but the design also calls for some unique solar shade structures to provide additional benefits to the facility and its occupants.

SES president Rick Peters shared that SES is pleased to participate in this marquee project. “I know personally that CBF has led the way on sustainable initiatives in our region for a very long time. It is an honor to be selected to construct this project, which will help advance CBF’s message and their environmental stewardship.”

The solar system is projected to produce more than 133 MWh of electricity annually, enough to power more than 10 average Maryland homes. This will significantly offset the facility’s consumption of traditional electricity.

“While we have had solar panels at the Merrill Center in the past, we are adding this new capacity because it is now more affordable as well as more efficient,” said CBF Vice President Mary Tod Winchester. “The new array will generate enough electricity to provide one third of the power for heating, cooling, and other needs of the more than 100 staff who work here. As a non-profit, we will not benefit from the many tax incentives available, but we encourage other individuals and businesses to closely examine the costs and benefits of adding solar generation.”

The project is expected to be completed before the end of this summer.

About Solar Energy Services, Inc.

Solar Energy Services, Inc. (solarsaves.net) designs, builds and services solar power systems for institutional, commercial, and residential customers. The firm was founded by 37 year solar industry veteran Roger Perry who has longstanding ties to the communities served by SES. Based in Millersville Maryland, the 21 person firm operates in Maryland, DC, and Virginia.

About Chesapeake Bay Foundation

Founded in 1967, the Chesapeake Bay Foundation (www.cbf.org) is the largest independent conservation organization dedicated solely to saving the Bay. Serving as a watchdog, we fight for effective, science-based solutions to the pollution degrading the Chesapeake Bay and its rivers and streams. Our motto, “Save the Bay,” is a regional rallying cry for pollution reduction throughout the Chesapeake’s six-state, 64,000-square-mile watershed, which is home to more than 17 million people and 3,000 species of plants and animals.With offices in Maryland, Virginia, Pennsylvania and the District of Columbia and 15 field centers, CBF leads the way in restoring the Bay and its rivers and streams. Over the last four decades, we have created broad understanding of the Bay’s poor health, engaged public leaders in making commitments to restore the Chesapeake, and fought successfully to create a new approach to cleanup that features real accountability-the Chesapeake Clean Water Blueprint

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SES Selected as Installer for Solarize Frederick County Initiative

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Residential Solar Panels ,Solar Service ,Home Solar PanelsFREDERICK, MD: Today SES was informed by the Frederick County’s Solarize Committee that they were chosen to be the official Solar Water Heater installer for the Solarize Frederick County initiative.

The pilot program aims to increase installations of solar water heaters, as well as solar electric (PV), systems in Frederick County County.  The financial incentives include County grants and volume purchase agreements, in addition to pre-existing state and federal grants.  Astrum Solar were selected as the solar electric (PV) installer.

While funds last, all Frederick County residents are eligible to apply for the incentives that reduce the cost of a solar water heater (or solar electric PV system) by up to 85%.

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Annapolis Restaurant Harry Browne’s Installs Solar Water Heater

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Commercial Solar Energy,Solar ServiceSlowly but surely the skyline on Annapolis’ State Circle is starting to change. First, the Governor’s Mansion in 2009 and just this month, the ever-popular Harry Browne’s Restaurant (http://www.harrybrownes.com) has joined the ranks of businesses jumping on the solar bandwagon. Not only an enthusiastic and self-professed carbon footprint reducer, Rusty Romo, Harry Browne’s owner since 1979, is a savvy businessman, “Although I have a vested interest in reducing my carbon footprint, there’s no question that the solid Return on Investment was the final straw in deciding to install a solar water heater.” This viewpoint extends throughout Rusty’s business dealings, particular with regards to his restaurant’s waste production. Prior to January of 2012, annual trash pick up was costing the restaurant around $13,000 per year. That cost has now been reduced to $4000 due to Rusty’s implementation of two recycling solutions: 1) Veterans Composting visits several times per week to pick up all of the restaurant’s food waste turning it into compost for farmers, gardeners and landscapers. 2) A Cardboard baler compresses all of the restaurant’s cardboard, hugely reducing the bulk for taking to a dumpster storage facility where it is pulled and weighed. Harry Browne’s averages at least two tons every twenty eight days. Depending on the market cost, cardboard reclamation pays him from $30 – $100 per ton. Restaurants have a large hot water load, and Harry Browne’s is no exception. The 250-seat restaurant easily consumes the 160 gallons of hot water per day provided by the solar water heating system installed by Millersville based Solar Energy Services, Inc. (solarsaves.net) The system includes two, 30-tube solar collectors, (approved by the Historic Commission), mounted on a flat roof in the back of the restaurant. These panels are joined, via a copper pipe run and pump control unit to two, 80g stone-lined water tanks in the basement. The solar system acts as a pre-heat to Harry Browne’s conventional gas system, offsetting around 50% of his annual hot water load.

ABOUT SOLAR WATER HEATERS and SES, Inc.

Solar water heaters are a time-tested, mature technology that are deployed every day by Solar Energy Services, Inc. (SES) of Millersville (solarsaves.net). In addition to restaurants, apartment buildings, universities, carwashes, detention centers and other government and institutional buildings continue to expand SES’s customer list. Roger Perry, a 35-year solar veteran and partner at Solar Energy Services, Inc., is still servicing solar water heating systems that he installed during the early eighties. Roger notes that “Given current financial incentives, solar water heaters are a no-brainer for any business in MD and DC that has a daily hot water load.”

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DC Condos Use Solar Energy to Pre-Heat Hot Water

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Residential Solar Panels ,Solar Service ,Home Solar PanelsWASHINGTON, DC:  Solar Energy Services, Inc., in partnership with third party solar developer Skyline Innovations, recently finished the installation of a solar water heating system for Shoreham North, a condominium building in downtown Washington, DC.

The solar thermal system includes 26 collectors southerly mounted on the roof, closed-loop plumbed to a 1,500 gallon solar storage tank inside the building.  The system is expected to reduce the building’s water heating utility bill by about 30%.

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Solar Energy During a Power Outage?

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Not quite so cut and dry…

Solar Service ,Home Solar PanelsMost of us who live here in Anne Arundel County appreciate our proximity to the Chesapeake Bay, changing seasons with spectacular Spring and Fall temperatures, and mature wooded areas. However, these pros quickly become cons during snowstorms, thunderstorms and Maryland’s annual hurricane season from late August through October when Hurricanes such as the infamous Isabelle and Sandy blast through our wooded, watery region, bringing floods, downed trees and – the clincher – power outages. If not for the threat of the power outage, we may sit back and enjoy a hurricane as a powerful force of nature, so long as our lights are on, heat or ac is blasting, and refrigerator’s chilling.

Hurricane Sandy caused around 300 thousand power outages here in Maryland, with an estimated 60 thousand in Anne Arundel County alone. It’s a no wonder that many prospective solar system owners – as well as existing solar system owners – want to know if a solar power system can power any of their appliances during a power outage, even if only while the sun shines. Unfortunately, it’s not that simple.

For both functional and safety reasons, there are several additional complexities to a “hybrid” PV system that connects to the grid but also provides backup power during a power outage. To start, during an outage you need to be able to safely isolate your “solar generator” from the grid to protect the line workers. You will also need energy storage (batteries) to balance solar energy supply and household demand. In most cases, you need an additional inverter to convert the batteries’ DC electricity back to AC electricity for your household. Lastly, most battery systems require some level of maintenance as well as replacement one or more times in the lifetime of the solar system. The bottom line is that unless you are willing to pay a nominal 30% premium for a solar system that includes the necessary batteries, transfer switches and additional inverter(s), you might be better served with a more traditional approach to backup power, like a gasoline or natural gas generator, and possibly just for critical loads.

Don’t get me wrong. Hybrid systems are growing in numbers and technology advancements, consumer demand, and smart grid capabilities all will help to drive down costs to make these systems more affordable in the future, ideally making our grid more stable with many distributed sources of energy. In the mean time, most solar installers can offer a hybrid (battery backup) or traditional generator back up options, so you can decide what suits you best.

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Capital Manor Housing Cooperative Goes Solar Thermal

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solar energy, Solar Service,installationWASHINGTON, DC:  Earlier this week Solar Energy Services, Inc. completed the installation of a solar water heating system on Capital Manor Cooperative’s residence building on the 1400 block of W Street in Northwest Washington, DC.

SES was engaged by third party solar developer, Skyline Innovations, earlier this year to design and install the solar water heating system consisting of 48 evacuted tube solar arrays and three, 1,500 gallon solar storage tanks.

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