Page last updated Jul 9, 2011 @ 12:25am

Configuration E

Configuration E is based primarily on the use of alternative energy sources such as solar photovoltaic (PV) modules, wind generators and hydroelectric generators.  These configurations can be economical alternatives to the high cost of extending utility lines to remote areas.  Since the purchase cost of these systems is usually higher on a per-watt basis than conventional electricity sources, special attention should be given to the use of energy efficient appliances.  Electric space heating, cooking, water heating and refrigeration should be avoided and replaced with propane or other fuel sources.  Typical configurations are described below using a number of sub-categories. 

  1. Configuration E1 - Solar PV Module Stand-Alone System
  2. Configuration E2 - Small AC PV Module with Utility Intertie, no Battery Backup
  3. Configuration E3 - Solar PV Stand-Alone Hybrid with Engine-Generator Backup
  4. Configuration E4 - Solar PV Stand-Alone Hybrid with Wind/Hydro Generator
  5. Configuration E5 - Same as E4 except with pre-packaged control panel
  6. Configuration E6 - Larger PV Module with Utility Intertie, no Battery Backup
  7. Configuration E7 - Larger PV Module with Utility Intertie and Battery Backup

Configuration E1 is based totally on solar energy for all electric generation.  To provide power when the sun is not shining, battery storage is used.

Conf-e1.gif (7105 bytes)
click thumbnail image
above to enlarge

Advantages of this E1 configuration include:

Some disadvantages of this E1 arrangement are:


Configuration E2 is based primarily on utility power with supplemental onsite solar electric generation.  Special AC PV solar modules are used which consist of a PV module plus an integral AC inverter designed for utility intertie.   The inverter is specially designed to shutdown during utility power outages to avoid dangerous backfeed into the grid.  The solar generated electricity offsets some of that normally provided by the utility. Depending on system size and load fluctuations it is possible to "sell" excess electricity back to the utility.

Conf-e2.gif (5438 bytes)
click thumbnail image
above to enlarge

Advantages of this E2 configuration include:

Some disadvantages of this E2 arrangement are:


Configuration E3 is similar to E1 except for an AC engine generator set that can be used to recharge the batteries during prolonged periods without sun light or when AC load demand is larger than normal.

Conf-e3.gif (7902 bytes)
click thumbnail image
above to enlarge

Advantages of this E3 configuration include:

Some disadvantages of this E3 arrangement are:


Configuration E4 uses a diversity of alternative generation sources to increase the availability of onsite power.  The solar PV generated power is supplemented by wind and/or hydroelectric.  The feasibility of using these additional resources is highly dependent on site conditions.   But, where these other resources are available, they can create a very advantageous mix.

Conf-e4.gif (7848 bytes)
click thumbnail image
above to enlarge

Advantages of this E4 configuration include:

Some disadvantages of this E4 arrangement are:


Configuration E5 is similar to E4 except for the pre-packaged control panel which simplifies installation.  The Whisper wind generators made by World Power Technologies include this kind of control panel.   This configuration can also use a diversity of alternative generation sources to increase the availability of onsite power.  The solar PV generated power is supplemented by wind and/or hydroelectric.  The feasibility of using these additional resources is highly dependent on site conditions.   But, where these other resources are available, they can create a very advantageous mix.

Conf-e5.gif (8409 bytes)
click thumbnail image
above to enlarge

Advantages of this E5 configuration include:

Some disadvantages of this E5 arrangement are:


Configuration E6 is based primarily on utility power with supplemental onsite solar electric generation.  It is similar to Configuration E2 except that standard DC PV solar modules are used with a separate AC inverter designed for utility intertie without batteries.   The inverter is designed with advanced protective systems to shutdown during utility power outages to avoid dangerous backfeed into the grid.  The solar generated electricity offsets some of that normally provided by the utility. Depending on system size and load fluctuations it is possible to "sell" excess electricity back to the utility.

Conf-e6.gif (7692 bytes)
click thumbnail image
above to enlarge

Advantages of this E6 configuration include:

Some disadvantages of this E6 arrangement are:


Configuration E7 is based primarily on utility power with supplemental onsite solar electric generation.  It is similar to Configuration E6 except that battery backup is added for providing AC power during utility outages.  Optional engine generator backup and/or supplemental wind or hydroelectric generation can be used.  The control and distribution design and installation can be simplified by using an Integrated Power Panel which contains all the utility inter-active inverter(s), ground fault protection, charge control, diversion load control, overcurrent protection and disconnects.  The inverter is designed with advanced protective systems that detect utility power outages to avoid dangerous backfeed into the grid.  When a power outage occurs, the inverter(s) separate from the grid and continue to power essential loads via a sub-panel.  The solar generated electricity offsets some of that normally provided by the utility. Depending on system size and load fluctuations it is possible to "sell" excess electricity back to the utility.

Conf-e7.gif (12025 bytes)
click thumbnail image
above to enlarge

Advantages of this E7 configuration include:

Some disadvantages of this E7 arrangement are:

 

Are YOU ready for the next power outage?

 1 Video Introduction
 2 Outage Archives
 3 Utility Industry
 4 Why You Need Backup
 5 Personal Stories
 6 NoOutage Configurations
 7 Safety
 8 Sizing for Your Needs
 9 Voltage Drop Calculator
10 Test Reports
11 Placing Order
12 Equipment Leasing
13 Books & Videos  
14 Financing
15 Frequently Asked
16 Future Technologies
17 Electricity Glossary
18 Help with Plug Types
19 Who We Are
20 Why Buy Here
21 Our Customers
22 Pick a Contractor
23 Privacy Promise
24 Safe Shopping Guarantee
25 Terms & Conditions
26 What's New
27 Contacting Us
28 Generator Shortage
29 Parts & Service
30 Made in USA
31 Links

We welcome your feedback or questions.  Click here to contact us.
See our Terms & Conditions before using information or ordering from this web site.
Copyright 1999-2012 NoOutage.com LLC.  All rights reserved.