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| − | [[Portal:Hydro|►Back to Hydro Portal]]
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| | = Overview = | | = Overview = |
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| | + | '''Net metering''' is a service to an electric consumer under which electric energy generated by that electric consumer from an eligible on-site generating facility and delivered to the local distribution facilities may be used to offset electric energy provided by the electric utility to the electric consumer during the applicable billing period.<ref>Wikipedia: http://en.wikipedia.org/wiki/Net_metering and http://www.ferc.gov/industries/electric/indus-act/section-1241.pdf</ref> |
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| | = Billing<br/> = | | = Billing<br/> = |
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| | <u>Different Tariff systems are practicable at different conditions:</u> | | <u>Different Tariff systems are practicable at different conditions:</u> |
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| − | (see also at [[Costs and Tariff Setting|Costs and Tariff Setting]]) | + | (see also at [[Costs_and_Tariff_Setting_-_Examples|Costs and Tariff Setting - Examples]]) |
| | *Flat tariffs unlimited/limited | | *Flat tariffs unlimited/limited |
| | *Item based tariffs (pay per bulb/TV/Radio) | | *Item based tariffs (pay per bulb/TV/Radio) |
| | *Pay per usage (requires metering) | | *Pay per usage (requires metering) |
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| − | [[Metering and Billing Systems#toc|►Go to Top]]<br/>
| + | <br/> |
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| | = Standard kWh Meter = | | = Standard kWh Meter = |
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| | <u>Advantages</u> | | <u>Advantages</u> |
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| − | {| align="right" cellspacing="1" cellpadding="1" border="0" class="FCK__ShowTableBorders" style="width: 200px" | + | {| cellspacing="1" cellpadding="1" border="0" align="right" style="width: 200px" class="FCK__ShowTableBorders" |
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| − | [[File:Digital meter.jpg|thumb|right|124px|Digital meter.jpg]] | + | [[File:Digital meter.jpg|thumb|right|124px|Digital meter]] |
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| − | | [[File:Standard kWh meter.jpg|thumb|99px|Standard kWh meter.jpg]] | + | | [[File:Standard kWh meter.jpg|thumb|right|99px|Standard kWh meter]] |
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| | *reading can be uncoupled from tariff collection | | *reading can be uncoupled from tariff collection |
| | *allows amount and time related tariffs (demand steering) | | *allows amount and time related tariffs (demand steering) |
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| | <u>Disadvantages</u> | | <u>Disadvantages</u> |
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| | *dis- and re-connection in case of late payment | | *dis- and re-connection in case of late payment |
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| − | <br/><br/>
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| − | [[Metering and Billing Systems#toc|►Go to Top]]
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| | = Pre-paid System with Coins or Cards = | | = Pre-paid System with Coins or Cards = |
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| − | [[File:Pre-paid system.jpg|thumb|143px|Pre-paid system.jpg]] | + | [[File:Pre-paid system.jpg|thumb|right|143px|Pre-paid system]]<u>Advantages</u> |
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| − | <u>Advantages</u> | + | |
| | *fair and transparent | | *fair and transparent |
| | *no meter reading | | *no meter reading |
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| | *costs for re-collection of coins and selling system for coins/cards | | *costs for re-collection of coins and selling system for coins/cards |
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| − | [[Metering and Billing Systems#toc|►Go to Top]]
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| | = Current Limiter / Fuses<br/> = | | = Current Limiter / Fuses<br/> = |
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| − | {| align="right" cellspacing="1" cellpadding="1" border="0" class="FCK__ShowTableBorders" style="width: 200px" | + | {| cellspacing="1" cellpadding="1" border="0" align="right" style="width: 200px" class="FCK__ShowTableBorders" |
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| − | | [[File:Current limiter 2.jpg|156px|fault current breaker|alt=fault current breaker]] | + | | [[File:Current limiter 2.jpg|thumb|right|156px|fault current breaker|alt=fault current breaker]] |
| − | | [[File:Current limiter 1.jpg|201px|Current limiter / fuse; price may be < 5 USD|alt=Current limiter / fuse; price may be < 5 USD]] | + | | [[File:Current limiter 1.jpg|thumb|right|201px|Current limiter / fuse; price may be < 5 USD|alt=Current limiter / fuse; price may be < 5 USD]] |
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| − | | [[File:100px-Electrical Fuse (aka).jpg|100px|100px-Electrical Fuse (aka).jpg|alt=100px-Electrical Fuse (aka).jpg]] | + | | [[File:100px-Electrical Fuse (aka).jpg|thumb|right|100px|100px-Electrical Fuse|alt=100px-Electrical Fuse (aka).jpg]] |
| − | | [[File:180px-DIAZED fuses.jpg|180px|RTENOTITLE]] | + | | [[File:180px-DIAZED fuses.jpg|thumb|right|180px|DIAZED fuses]] |
| | |} | | |} |
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| | <u>Advantages</u> | | <u>Advantages</u> |
| − | *simultaneously protecting against overcurrent (actual purpose | + | *simultaneously protecting against overcurrent (actual purpose) |
| | *cheap if simple versions<br/> | | *cheap if simple versions<br/> |
| | *no meter reading required => indirect power flat rate according to max. amperage | | *no meter reading required => indirect power flat rate according to max. amperage |
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| | <u>Disadvantages</u> | | <u>Disadvantages</u> |
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| | <br/> | | <br/> |
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| − | <br/> | + | = Flat Rate / No Metering / No Limiting<br/> = |
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| − | [[Metering and Billing Systems#toc|►Go to Top]]
| + | Only in well organised small communities a flat rate without limiting or metering will work. Consumers have to agree that everybody connected carries the same share of payment. If usage of electricity differs widely between the connected parties usually the "one tariff for all" is considered unfair. |
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| − | = Flat Rate / No Metering / No Limiting<br/> =
| + | Often such settings work only until the limit of the mhp is reached and power has to be rationed. |
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| − | only in well organised small communities a flat rate without limiting or metering will work. Consumers have to agree that everybody connected carries the same share of payment. If usage of electricity differs widely between the connected parties usually the "one tariff for all" is considered unfair.
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| − | Often such settings work only until the limit of the mhp is reached and power has to be rationed.
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| | <u>Advantages</u> | | <u>Advantages</u> |
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| | *can be unfair | | *can be unfair |
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| − | <br/>
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| − | [[Metering and Billing Systems#toc|►Go to Top]]
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| | = Further Information = | | = Further Information = |
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| | *[[Metering and Billing Battery Charging Systems (BCS)|Metering and Billing Battery Charging Systems (BCS)]]<br/> | | *[[Metering and Billing Battery Charging Systems (BCS)|Metering and Billing Battery Charging Systems (BCS)]]<br/> |
| | *[[Net Metering|Net Metering]]<br/> | | *[[Net Metering|Net Metering]]<br/> |
| − | *[[Net Metering Brazil (FRE)|Net Metering Brazil (FRE)]]<br/> | + | *[[Net_Metering_Brazil_(FRE)|Net Metering Brazil (FRE)]]<br/> |
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| − | [[Metering and Billing Systems#toc|►Go to Top]]
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| | = References = | | = References = |
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| | <references /><br/> | | <references /><br/> |
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| − | [[Category:Solar]] | + | [[Category:Net_Metering]] |
| | + | [[Category:Net_Metering_Brazil]] |
| | + | [[Category:Electricity]] |
| | + | [[Category:Feed-in_Tariffs]] |
Only in well organised small communities a flat rate without limiting or metering will work. Consumers have to agree that everybody connected carries the same share of payment. If usage of electricity differs widely between the connected parties usually the "one tariff for all" is considered unfair.
Often such settings work only until the limit of the mhp is reached and power has to be rationed.
