Combined Heat and Power Design Software

CogenS™

Watch CogenS™ Tutorial

Effortless Software for a Complex Problem

Evaluate, Model and Design
CHP Microgrid projects

CogenS™ is a revolutionary new Combined Heat and Power Design software that is changing the way people think about cogeneration. CogenS™ makes it easier than ever to see the benefits of cogeneration, especially when coupled with Solar and Energy Storage Systems.

With its easy-to-use interface, you can compare your project to traditional energy resource systems in no time.

CogenS™ is a 64-bit windows-based software application that was built using MathWorks MATLAB products.

CogenS™ Resources

CogenS™ System Diagram

This diagram represents the working concept of CogenS™; a Comparison based Combined Heat and Power Modeling Design Solution; Conventional VS Cogeneration Energy systems. CogenS™ allows you to design, model, optimize and evaluate each system without loss of generality, in a unique design process.

CogenS™ Project Design Process

Project Info

Location.
Building Type (Industrial, Commercial or Residential).
Microgrid components (Combined Heat and Power, Combined Cooling Heat and Power, Energy Storage and PV).
Modeling interval (15, 20, 30 and 60 minutes).
Metric VS Imperial Units.
Weather Data.

Energy Profiles

Building energy profiles Estimation and Analysis (Electric, Gas, Oil, Cooling, Heating, Domestic Hot Water).
Fuel specifications (Heating Value and Density).
Scenario Analysis Option (Maximum, Average and Minimum Load Profiles)
Peak, Minimum, Average Demand and Load Factor.
Grid Emissions Factor.

Cooling

Chillers

Equipment modeling features:

Screw, Centrifugal, Scroll and Reciprocating compressors.
Water- or air-cooled condenser.
Electric or Gas-Fired absorption.
Indirect Hot Water or Steam absorption.

System modelling features:

Identical multi-unit system.
Variable or Constant Flow.
Supply Temperature Reset.
Part-Load Efficiency Performance.
Optimized number of operating units.
CO2e emissions.

Cooling Towers

Equipment modeling features:

Open or closed loop.
Cross or Counter flow.
Single, 2-speed or variable speed fan.

System modelling features:

Identical multi-unit system.
Free Cooling Heat Exchanger option.
Wet-Bulb Reset Control Scheme.
Variable or Constant Flow.
Supply Temperature Reset.
CoolTools or YorkCalc Heat Rejection Performance.
Optimized number of operating units.

Heating

Boilers

Equipment modeling features:

Condensing or Non-Condensing.
Hot Water or Steam.
Electric, Gas or Oil.
Mechanical or Natural draft.

System modelling features:

Identical multi-unit.
Variable or Constant Flow.
Supply Temperature Reset.
Part-Load Efficiency Performance.
Optimized number of operating units.
CO2e emissions.

Hot Water Heaters

Equipment modeling features:

Storage or Tankless.
Cycle or modulating control.
Heat Exchanger, Electric, Gas or Oil.

System modelling features:

Identical multi-unit.
Variable or Constant Flow.
Part-Load Efficiency Performance.
Optimized number of operating units.
CO2e emissions.

Energy Cost

Electric and Gas Utility Tariff

Fixed and minimum charges.
Rates Escalation.
Unlimited Energy and Demand charges by Period and Tier.
5 Different Metering and Billing Types:

Net Energy Metering
Net Energy Metering with $ Credits
Net Billing
Net Billing with Carry Over to next Month
Buy All/Sell All

Oil Cost

Fixed and minimum charges.
Rates Escalation.

Microgrid sizing

Optimum CHP Electric and Thermal Outputs.
Battery and Thermal Energy Storage Sizes.
Auxiliary boiler system size.
CHP Microgrid System Load Duration Curve Representation.

Energy Resources

Combined Heat and Power

Equipment modeling features:

Fuel Cell, Reciprocating Internal Combustion Engine and Microturbine.
Hot Water or Steam.
Natural Gas, Renewable Natural Gas, Hydrogen or Liquified Petroleum Gas.

System modeling feattures:

Identical multi-unit system.
Variable or Constant Flow.
Supply Temperature Reset.
Shut down and replacement simulation.
Output Control.
Cost-based Dispatch Optimization with Energy Storage and Grid.
Unit Sequencing simulation based on runtime.
Dynamic Response.
Annual, Temperature and Restart Degradation.
Part-Load Efficiency Performance.
Optimized number of operating units.
Capital and O&M costs.
CO2e emissions.

Solar Photo-Voltaic system PVWatts Version 6 API

System locatiion.
System DC nameplate capacity.
Array and Module Types.
Azimuth and Tilt angles.
Annual Degredation.
Capital and O&M costs.

Energy Storage

Thermal Energy Storage

Single Hot Water Energy Storage Tank.
CHP Priority.
Supply Temperature Reset.
Stratified tank approximated model.
Capital and O&M costs.

Battery Energy Storage System

Single System.
Idealized flat charge and discharge curve.
Dynamic Response.
Annual, Temperature and Cycle Degradation.
Replacement simulation.
Capital and O&M costs.

Hydrogen Energy Storage System

Multi-unit System.
Electrolyzer model.
Pressurized vessel + Compressor model.
Metal Hydride model.
Dynamic Response.
Annual, Temperature and Cycle Degradation.
Replacement simulation.
Capital and O&M costs.

Finance

Power Purchase Agreement Provider or Building Owner investment financial models.
Inflation, Discounting and effective tax rates.
Capacity and Production based incentives.
Assets Depreciation, Loans and Reserves.
Project Financial Metrics (PV, IRR, SPB, DPB, BCR, EAS, BTCF, CFAT).

Results

Summary

Energy, Financial and Emissions savings.
Financial KPIs
Project Capital and Operating Activities pie charts.
Conventional VS Cogeneration Pie charts:

Energy Bill and Consumption by fuel.
Gas Consumption by fuel.
Electricity production and emissions by equipment.

Tables

Lifetime profiles for key project variables in tabular format:

Sub hourly
Hourly
Daily
Weekly
Monthly
Yearly

Plots

Lifetime profiles for key project variables in plot format:

Sub hourly
Hourly
Daily
Weekly
Monthly
Yearly

Combined Heat and Power Projects are Complex

Combined Heat and Power Design requires an eclectic knowledge base across Mechanical, Electrical and Control Systems engineering disciplines. CogenS™ gives you the ability to gain insight into these areas very early in the process.

If you’re working on a Residential, Commercial or an Industrial building and thinking about Combined Heat and Power for your energy project, you need to try CogenS™.

Or reach out to us and we will do the work for you. We provide CHP Feasibility study engineering services, ask for our engineering services agreement.

Vision

A vision for a Net-Zero CARBON Future

At JIS energy, this is how we envision the role of Combined Heat and Power in a Net-Zero future. Read our report on the subject here.

CogenS™ is an attestation to our passion on the subject matter. Combined Heat and Power Design requires vigorous studying of the different project possibilities. CogenS™ allows the user to exercise with different system sizes, technologies and configurations to achieve optimum results.