Lower Energy Spend, Improve Resiliency with Distributed Energy Resources

Did You Know?

The traditional model of power generation and distribution is based on central power plants feeding an electrical grid consisting of high voltage transmission lines and low voltage delivery or distribution networks. This traditional model is accompanied with inherent overall inefficiencies including large or base loaded power plants introducing “waste heat” that must be rejected by the thermal power generation.

As a result, fossil powered plants typically deliver only about 30% of the energy contained in the fuel as usuable electricity to end users. The situation is improved somewhat with combined gas cycle power plants, which can deliver up to 50% of the fuel’s energy. Fortunately today, owners have options to improve efficiencies, lower energy spend and obtain independence from outdated utility grids.
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Energy Storage


Microturbines are a simple form of gas turbine, usually featuring a radial compressor and turbine rotors and often using just one stage of each. They typically recover exhaust energy to preheat compressed inlet air, thereby increasing electrical efficiency compared with a simple-cycle machine. The air-to-air heat exchanger is termed a “recuperator,” and the entire system is typically called a recuperated cycle.

The primary value of any microturbine for most business customers is its ability to reduce the cost of energy. Microturbines are often eligible for federal incentives when operating on a renewable fuel and federal investment tax credit (ITC) that may be taken as an upfront grant. Many states also have rebate and incentive programs to stimulate the purchase of clean, efficient generation solutions.

Microturbines also Meet Low Emissions Limits. Regulatory authorities continue to adopt ultra-low- emissions levels forcing other generation alternatives, such as reciprocating engine generators, to often add selective catalytic reduction systems. Several microturbine manufacturers meet stringent emission requirements without active exhaust after-treatment, providing significant cost advantages to owners.

Fuel Cells

A fuel cell is an electrochemical device that combines hydrogen fuel and oxygen to produce electricity, heat and water. Fuel cells operate without combustion, so they are virtually pollution free.

Since the fuel is converted directly to electricity and heat, a fuel cell’s total system efficiency can be much higher than internal combustion engines, extracting more energy from the same amount of fuel. The fuel cell itself has no moving parts, making it a quiet and reliable source of power.
Fuel cells generate almost no NOx, SOx, or particulate matter, and substantially less carbon dioxide per kilowatt-hour compared to combustion-based generation. They can also be used in CHP applications, since the fuel cell process generates sufficient waste heat.  Fuel cells are also typically more efficient than combustion turbines and reciprocating engines.​

​Fuel cell customers are saving money on fuel and labor costs, lowering emissions, and yielding substantial energy savings through increased efficiency and reliability. Many are becomeing repeat customers, purchasing additional and larger fuel cell systems for their facilities, or expanding into other fuel cell uses such as material handling or backup power.  

Beacon Capital Partners in New York installed a 400-kW Doosan Fuel Cell America fuel cell at its flagship Manhattan property at 1211 Avenue of the Americas, home to Fox News and its parent company News Corp. In addition to providing 20% of the building’s electricity, 50% of its hot water for heating, showers and bathroom sinks, the fuel cell is also configured to be able to provide backup power to a section of the first floor of the building. This enables the building to become a shelter in the case of an emergency, as well as to the outdoor Fox News ticker to provide important news updates and public service announcements.
Source: Doosan