Case Study: Blue Lake Rancheria Microgrid

As one of 16 U.S. communities designated White House Climate Action Champions, Blue Lake Rancheria, a Native American reservation in Northern California, had already made investments in alternative energy generation sources. The next step was to achieve even greater efficiency by optimizing how those resources are managed and dispatched. Blue … [Read more...]

Battery/Diesel Grid-connected Microgrids: A Case Study of Future Microgrid Capabilities

Introduction As large scale battery technology and economies of scale continue to improve, many industrial utilities are investigating the use of battery technology as the basis for Grid Energy Storage Systems (GESS) which will likely be part of future microgrid systems. Based in Victoria, Australia, AusNet Services, the state’s largest energy … [Read more...]

Cogeneration Case Study: University of Illinois Hospital

A major hospital that treats critically ill patients cannot afford power failures. Facing intermittent power problems — and needing to replace old boilers — the 536-bed University of Illinois Hospital installed a 24 MWe cogeneration system for its campus in Chicago. Powered by three Taurus 70 natural gas turbine generator sets, the system fulfills … [Read more...]

Case Study: Necker Island, British Virgin Islands — Among the Most Energy Efficient Islands in the World

Overview In 1978, Sir Richard Branson purchased Necker Island, a beautiful getaway in the British Virgin Islands. What began with a dream of creating an environment where people could talk and relax soon became an unparalleled luxury retreat. Now, Branson has a new dream: to transform Necker Island into one of the most energy efficient islands … [Read more...]

Project Profile: Princeton Healthcare System Builds in Cost-Effective Energy Reliability

The Opportunity When the Princeton Healthcare System first envisioned building a new 630,000-square-foot acute-care hospital with 237 single-patient rooms in Plainsboro, New Jersey, plans called for a conventional HVAC system to address the facility’s requirements. Because of stringent patient-care needs, hospitals traditionally insist on two … [Read more...]

Annobon Island Microgrid: Case Study

A microgrid case study: The Annobon Island Microgrid, a reliable and cost-effective island microgrid. Annobon Province, an island off Equatorial Guinea in west central Africa, has a population of approximately 5,000 residents. The residents only have reliable electricity for up to five hours per day and spend an average of 15-20 percent of their … [Read more...]

Project Profile: Fairfield, Connecticut as An Early Leader in Microgrid Development

The charming coastal town of Fairfield, Connecticut has won accolades as one of the best places to live in America. Its five miles of beach stretching along the Long Island Sound certainly add to its charm – but also put the town at risk when severe storms hit. Crushing waves have flooded streets and even destroyed coastal homes in recent … [Read more...]

Jamestown, New York Leverages Existing Energy Assets for Community Microgrid

community microgrids

Jamestown, New York, offers a good example of a community microgrid design that begins by incorporating existing energy facilities, a strategy that can decrease project complexity and cost. Rather than building all new infrastructure, the city has proposed a microgrid that will use an existing natural gas-fired power plant and district energy … [Read more...]

Microgrid Helps Utility Integrate Renewable Resources into the Grid

A case study on how an innovative utility is leveraging microgrid technology to improve service and reliability. Oncor operates the largest regulated distribution and transmission system in Texas and the sixth largest in the United States. Today, more than 10 million customers across Texas depend on Oncor for power. The Challenge: Determined to … [Read more...]

Microgrid Energy Storage Case Study

Microgrid energy storage systems are already serving as a vital component of smart microgrid projects. Here is a case study on how one community microgrid system is making a difference on a daily basis. In Presidio, Texas—one of the oldest cities in the state—frequent electrical storms have a major impact on power reliability. Residents rely on … [Read more...]