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# centralhighlandsenergyassessments.com.au > Independent Advice to Right-Size Solar Power & Batteries, Getting Off Gas & Go All Electric, based on Data-Driven Energy Assessments ## Home - [Independent Advice about Solar Power & Batteries](https://centralhighlandsenergyassessments.com.au/): Independent Advice to Right-Size Solar Power & Batteries, Getting Off Gas & Go All Electric, based on Data-Driven Energy Assessments ## Blog - [Energy Watch Blog - News about Solar Power & Batteries](https://centralhighlandsenergyassessments.com.au/blog/): Energy Watch Blog - How Technology, Energy Markets & Government Policy impact you Going All Electric by Getting Off Gas with Solar Power & Batteries. ## Contact us - [Central Highlands Energy Assessments - Contact Us](https://centralhighlandsenergyassessments.com.au/contact-us/): Contact Central Highlands Energy Assessments about Right-Sizing Solar Power & Batteries. We handle Tech Support for BREAZE Energy Solutions (BREAZE Enterprises Pty Ltd) ## How to guides - [How to Guides](https://centralhighlandsenergyassessments.com.au/how-to-guides/): How to Guides for Homeowners, Business Owners, Energy Assessors & Solar Designers analysizing Electricity Bills & NEM12 Smart Meter Data - [How to Interpret Your Electricity Bill — NMI, Solar Credits and Meter Details Explained](https://centralhighlandsenergyassessments.com.au/how-to-guides/analyze-smart-meter-data/how-to-interpret-your-electricity-bill/): This guide explains how read an Australian Electricity Bill - find your NMI, understand the difference between your retailer and DNSP, read time-of-use tariff charges, verify your solar feed-in tariff credit, and connect the meter details table to your smart meter data registers E1, B1 and E2. - [How to Download / Access Your Smart Meter Data](https://centralhighlandsenergyassessments.com.au/how-to-guides/analyze-smart-meter-data/how-to-download-your-smart-meter-data/): How to download / access Smart Meter Data CSV files in NEM12 Format from Australian Electricity Distributors (DNSPs) or Electricity Retailers - [How to Interpret Your Smart Meter Data — Register Codes E1, B1, E2 Explained](https://centralhighlandsenergyassessments.com.au/how-to-guides/analyze-smart-meter-data/how-to-interpret-your-smart-meter-data/): Australian smart meter CSV files contain register codes like E1, B1, Q1 and E2 — and every DNSP labels them slightly differently. This guide explains what each register code means, which one is your solar export, which is your grid consumption, and which to select when uploading to PVOutput, OpenSolar or SolarPlus. - [How to Understand the NEM12 CSV Format — Record Structure and Quality Flags Explained](https://centralhighlandsenergyassessments.com.au/how-to-guides/analyze-smart-meter-data/how-to-understand-the-nem12-csv-format/): A technical guide to the NEM12 interval meter data format: 100/200/300/400/900 record types, NMIConfiguration string, interval data rows, AEST timezone, quality flags (A/E/S/F/N), method flags, and common non-compliances in Australian DNSP customer portal exports. - [How to Open Smart Meter Data in a Spreadsheet — Dealing with Semi-Structured Non-Tabular NEM12](https://centralhighlandsenergyassessments.com.au/how-to-guides/analyze-smart-meter-data/how-to-open-nem12-smart-meter-data-in-a-spreadsheet/): Opening a NEM12 smart meter CSV file in a spreadsheet produces a jumbled mess — mixed row types, no column headers, no consistent structure. This guide explains why, then offers two solutions: our free NEM12 Smart Meter Data Analyzer for instant browser-based charts, or our NEM12 Spreadsheet CSV Converter which converts your NEM12 file to a clean wide or long format CSV ready for pivot tables in Excel, Google Sheets or LibreOffice. - [How to Calculate the Heating Load for Your Home](https://centralhighlandsenergyassessments.com.au/how-to-guides/setup-an-all-electric-home/how-to-calculate-the-heating-load-for-your-home/): Use a heating load calculator to […truncated]