OpenNEM (Independent Publisher) (#1272)

* Initial upload

* Validated

* Initial commit for pull

* Added screenshots for PR requirement

* Updated based on validation feedback

* Resolved various issues with PR

* Fixed validation error introduced

* Resolved validation issue

independent-publisher-connectors/OpenNEM/Readme.md

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+# OpenNEM Connector
+The OpenNEM project aims to make the wealth of public National Electricity Market (NEM) data more accessible to a wider audience.
+
+We hope that improved access will facilitate better public understanding of the market, improve energy literacy and help facilitate a more informed national discussion on Australia’s energy transition in the long term interests of consumers. By providing a clear window on the data, we hope to address the information asymmetry between stakeholders and improve the productivity of those engaged in energy market discussions.. 
+
+Project homepage at https://opennem.org.au
+
+Currently supports:
+
+Australian NEM: https://www.nemweb.com.au/
+West Australia Energy Market: http://data.wa.aemo.com.au/
+
+## Publisher: Paul Culmsee
+
+## Pre-requisites
+
+## Supported Operations
+The connector supports the following operations:
+
+### Get Networks
+Get the list of NEM networks and regions each network is made up of.
+
+### Get Network Stations
+Get the list of network stations.
+
+### Get Network Station by ID
+Get a single network station record by its ID.
+
+### Get a Single Station by Code
+Get a single network station record by its code.
+
+### Get Facilities
+Get the list of facilities.
+
+### Get Facilities by Code
+Get a single facility record by its code.
+
+### Get Weather Stations
+Get the list of list of weather stations.
+
+### Get Weather Station by Code
+Get a single weather station record by its code.
+
+### Get Weather Station Observations
+Get a weather observations from a station.
+
+### Get Network Regions
+Get the list of regions for a network.
+
+### Get Fuel Technologies
+Get Fuel Technoligies used in the network.
+
+### Get Intervals
+Get Time Intervals.
+
+### Get Periods
+Get Reporting Time Periods.
+
+### Get Units
+Get Units.
+
+### Get Power by Station
+Get the power outputs for a station
+
+### Get Energy by Station
+Get energy output for a station (list of facilities) over a period
+
+### Get Interconnector Flow Network
+Return interconnector flow network details
+
+### Get Power Network Region By Fueltech
+Return power network region by fueltech
+
+### Get Emission Factor Per Network Region
+Return emission factor for each network region
+
+### Get Fueltech Mix By Network
+Return fueltech proportion of demand for a network
+
+### Get Price History By Network and Network Region
+Returns network and network region price info for interval which defaults to network interval size
+
+## Known Issues and Limitations
+OpenNEM is an open source effort. The API and schema is not fully documented so the descriptions and summary for actions are sometimes brief.
+
+## Frequently Asked Questions
+

independent-publisher-connectors/OpenNEM/apiProperties.json

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+{
+  "properties": {
+    "connectionParameters": {},
+    "iconBrandColor": "#da3b01",
+    "capabilities": [],
+    "publisher": "Paul Culmsee",
+    "stackOwner": "OpenNEM"
+  }
+}