Overcoming Intermittency                                                       
By capturing heat, CHP (Combined Heat and Power) technologies can very cost-effectively reduce demands on the grid by producing some or all of the electricity users need, using thermal energy which would otherwise have been wasted. Distributed, small scale production is one of the most promising means by which electricity consumption levels and costs can be lowered.

Chromasun, Inc

Santa Clara University has installed a 60 panel array of Chromasun's MCT collectors to provide water and space heating for their campus dining hall. Able to supply 428°F output temperatures at pressures up to 580 psi, it is estimated that the array will reduce SCU’s water heating bills by up to 70%.

ECR International

ECR's freewatt system combine propane or natural gas-fired generators with furnaces or boilers to produce 12,500 BTUs of space and water heating, while generating 1.2-1.8 KW of electricity. Achieving 83% to 90% overall efficiency, ECR projects annual homeowner energy savings of between $500 and $1,000

Image courtesy of Itomic Eco-cute

The Eco-cute heat pump system uses supercritical R744, the natural refrigerant also known as CO2, to produce hot water. This high performance system (COP = 3.8) was designed to reduce Japan’s energy consumption, 33.8% of which formerly went to produce domestic hot water.

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