Did you know that your solar electricity provider does not only heat your water, run your machinery and light your bulbs, but it can also help you earn extra money?

The Soorya Bala Sangramaya or Battle for Solar Energy was an initiative by the Ministry of Power and Renewable Energy in collaboration with the Sri Lanka Sustainable Energy Authority, Ceylon Electricity Board and Lanka Electricity Company in 2016. It was set up with the intention of promoting and setting up small-scale solar power plants on rooftops of households, commercial establishments and industries. The initiative is expected to add 200 MW of solar electricity to the national grid by 2020 and 1000 MW by 2025. So, there is no need for hesitation. Do you think the scheme would be revoked? The simple answer is, no!

Here is a brief description of the three options available for consumers under the initiative.

Net Metering

Under the Net Metering scheme, the electricity bill will be prepared giving credit to the export. You, as the consumer, will be charged for the difference between the import and the export of electricity. If the export is more than the import in any billing period, you will receive an export credit, which will be credited towards your next month’s consumption. Such credits may be carried-over to subsequent months, as long as you remain the legal consumer for the premises.

Net Accounting

Net Accounting has brought in an additional element to the Net Metering scheme, where you will be provided an export tariff for the net energy exported (if any). If the generated units of electricity using the solar panels fixed on the roof are greater than the units consumed, you will be paid LKR 22.00 per unit during the first 07 years and from the 08th to the 20th year, LKR 15.50 per unit. If the consumption is greater than the energy generated from the solar panels, you pay the CEB at the existing electricity tariff on a slab system.

Net Plus

The total generation from your solar electricity unit will be exported directly through a dedicated meter for which you will be paid. The energy import will be measured through a separate import meter and be billed as per the existing electricity tariff. The CEB shall read the meter for the solar power plant output and the other meter for the imported energy. The total generation of electricity from the solar electricity unit will be exported directly through a dedicated meter for which you will be paid LKR 22.00 per unit during the first 07 years and from the 08th to 20th year LKR 15.50 per unit.

Case Study of Susiri Perera

In 2015, Susiri Perera’s electricity bill was amounting to LKR 14,500 on a monthly basis. Despite employing various measures to reduce his electricity bill, Susiri was unable to do so and in 2016 he decided to install a 4.6 KW Grid tied solar electricity system that would include his current electricity consumption as well with room for further expected increase.
Susiri’s electricity provider during this time was the Lanka Electricity Company Ltd (LECO) and he signed a contract with LECO for a Net Metering Mechanism prevalent during the period. No sooner had Susiri installed the solar electricity system and signed up with LECO, he began paying a monthly bill of LKR 30, a mandatory administrative charge that was in place.

However, during this time something even more interesting took place and Susiri’s electricity consumption dropped from 400 units to 200 units and he was able to transfer the additional 200 units to the national grid every month and in return, future credits with the right to use later.
Interestingly, a few months after Susiri had signed up with LECO, the government introduced two more options encourage green energy and in addition to Net Metering, Net Accounting and Net Plus schemes were brought in.

Susiri was able to amend his LECO contract to a Net Accounting contract where he would be paid for the additional units at the rate of LKR 22 for the next 7 years and LKR 15.50 for the next 8 years after, totalling 15 years of an additional income if he continued to provide electricity to the National Grid by offsetting his excess number of units.
Since then, Susiri receives an additional average income of over LKR 3,000 credited to his bank account on the 15th of every month. Not only does he no longer pay for his electricity consumption thanks to the investment paid, but he is able to be a part of the country’s sustainable drive all while earning an additional income.

Case Study of Mr Hussain

Mr Hussain decided to invest in solar electricity system in July 2016 to cover his monthly electricity bill of LKR 40,900. Having installed a 9.2 KW Grid tied solar electricity system in his residence in Colombo 05, not only has Mr Hussain been able to generate 35039.43 KW until the end of 2018 but also yield an excess of KW production since the time of installation.

Case Study of a Hotel in Yala

The hotel came on board a greener electricity alternative in March of 2014 with the installation of a 300 KWP unit. Since then, the hotel has been able to produce a surplus of electricity in comparison to its annually committed rate of specific yield with a deviation ranging from 3.69 to 12.12 KWH/KWP.

We’ve spoken earlier in details a few ways on how to identify the reliability of your solar electricity provider. Today, we are here to speak on similar lines especially, on the topic of the fast growing number of mushroom “solar” companies. Market dynamics have undergone drastic change from what it was a decade ago to what it is now. Solar electricity and solar water heating have become more accessible to a larger number of people, both in terms of the larger number of solar electricity and water heating providers as well as the lower start up cost in solar electricity investment.

While the shift in the economics of this seems like a good thing, which is, especially with solar electricity becoming more accessible to a majority of people, what’s not as great is the increasing unreliability of these newer solar electricity and water heating providers. It’s important that as consumers that you are not only aware of the product you are investing in but also have done your background research on the status of the company that is selling you the products.

What’s their sales pitch?

One of the first indicators of identifying the genuinity of your solar electricity or water heating provider is to try an understand their sales pitch. Is the solar electricity or water heating company trying to sell you a product from their portfolio or are they actually offering you a solution as a service to help mitigate your expenses on electricity? Have you been made aware of how your investment could potentially earn you money as well? Doing your research beforehand and going prepared to meet your potential solar electricity provider would also help you best gauge on how much the company would be aware of their product as well.

Remember that if the company is constantly trying to sell you a lower priced product, it might not always be for the best. For instance, a good quality PV system or solar water heating system lasts a good 15-20 years or beyond. If the new (mushroom) company offers you a discount of 20-25% from regular market prices, remember that in the long run it might only cut back on some of the savings you are to receive. For a good solar water heating system or PV system not only lasts as long, but will also grant you an additional over a period of 20-30 years. So the discount that you initially receive from a cheaper and lower quality product, might also directly impact the additional income you are to benefit from and not let you recover the initial spending.

How long have they been in business?

Another indicator of knowing what they are offering you in a product or service is to see how long they’ve been in business. While this indicator might be a tricky one ( not all new companies are out there to scam you), there is a high probability that a solar electricity provider that has been there a long time in the business has probably survived thanks to their credibility and reliability.

Rely on recommendations

The final most important indicator is recommendations and feedback. Speak to a few friends, family and other customers who have switched to solar and ask them about their service provider. If it’s a possibility, speak to those who converted to solar years before and those who did so only a very recently as this would also help you get a better understanding of the companies. Don’t rush into decisions. Solar electricity is a great investment both for you and the environment but unless done correctly, your investment would not be worth the price.


Soorya Bala Sangramaya (Battle for Solar Energy) – The Ministry of Power and Renewable Energy in collaboration with the Sri Lanka Sustainable Energy Authority, Ceylon Electricity Board and Lanka Electricity Company launched the Soorya Bala Sangramaya in 2016, with the intention of promoting and setting up small-scale solar power plants on rooftops of households, religious places, hotels, commercial establishments and industries, it is expected to add 200 MW of solar electricity to the national grid by 2020 and 1000 MW by 2025. The programme accommodates three options for consumers to generate and use electricity in their households: Net Metering, Net Accounting and Net Plus.

Making the shift to solar is often not just sustainable from an environmental point of view but also lucrative in the long-run when calculating savings. However, if either your system is faulty or worse, you are not reaping the benefits of your investment, the switch to solar is not only wasted financially but also defeats the purpose of embracing environmentally sustainable technology.  

Here are three steps to help gauge the reliability of your solar electricity provider.

Country of origin

More often than not, the better quality solar electricity systems including panels are manufactured in Germany as the country has the most number of solar module and inverter manufacturers in the whole of Europe. Hence, the cost you pay for your solar electricity system can be considerably higher. However, an increasing number of solar electricity providers are being bulk manufactured in China making it an attractively affordable option to most households. While the initial investment may seem like a saving thanks to the low cost of substandard raw materials, unless certified and manufactured as per global industry standards, chances are that the solar electricity system atop your roof may be faulty.

While our solar solutions at SolarTherm may not be at the lowest in the price index, we only bring down German-made industry-grade systems ensuring reliability and longevity in all our offerings.

Selecting your service provider

How long has it been since you installed your solar electricity system and how long has it been since your solar electricity provider reached out to you? It is important to monitor the performance of the system and the company you are linked with should take responsibility and be committed to ensuring the promised power output in the long run. More often than not, the plethora of mushroom companies that bring down rejected and damaged solar electricity equipment to Sri Lanka, sell them at attractive prices to ill-informed domestic consumers, closes shop and leaves them astray. When selecting your solar electricity provider, do not rush to finalize on the most attractive price. Keep in mind that it is after all an investment and do a bit of research on their market share, how long they’ve been in the industry – including assessing their track record of completed projects, customer feedback – and most importantly, where their products come from.

What’s your ROI?

Are you making any returns on your solar electricity system? Better yet, are you saving anything on your current electricity bill? Has your solar electricity provider educated you on the Soorya Bala Sangramaya scheme? What is your total return in rupees and cents during the lifespan of the product compared to the various other brands available in the market?

These are a few pertinent questions to keep in mind when choosing your solar electricity provider and gauging the reliability of the said service provider. These questions will also provide you with an understanding of how knowledgeable is your solar electricity provider and whether in the long run, the product will meet the promised return on your investment.

Despite being the sunny tropical not to forget warm isle Sri Lanka is, it is not common to see the use of hot water in households even in the cities bordering the coastline. While to most, hot water is still considered a luxury, the popularity and availability of hot water has caught on and more houses use hot water than before. There is an estimated 150,000 solar-powered hot water units in the country of which, 90,000 have been supplied for by SolarTherm.

However, hot water, like other appliances and luxuries you would invest on to not only upgrade your lifestyle but also make living conditions more convenient, comes at a cost. Should this investment not be of good quality, there is a very likely possibility of continuous recurring costs in terms of repairs and maintenance. Here are a few benefits that result in investing in high-quality water heaters.

Extra Savings and also a Return on your Investment  

One of the most attractive benefits of investing in a quality solar water heater is the savings you would have on your electricity bill. As a result of not being dependent on electricity for water heating not only are you able to have considerable savings but also end up with a lasting unit with an extended lifespan as a result of the quality of raw materials used. Moreover, while being entitled to all savings, you will also make a return on your investment over a period of time. Given below is a table explaining the same.

SolarTherm water heater capacity Number of units saved (kWh) Saving on monthly electricity bill (LKR) Payback period for SolarTherm water heater
75 L 65.6 2173.125 36 months
100 L 88.5 3202.50 32 months
150 L 131.5 5137.5 24 months
200 L 175 7095.00 20 months
300 L 262.5 11032.50 18 months

Extended lifespan

As a result of investing in a quality solar water heater, your product is guaranteed to last 20-25 years or more if maintained as per instructions. Not only does proper maintenance result in the longevity and extended life span of your solar water heater, but you will also have a trouble-free fully-functional unit working round the clock complete with guaranteed savings. One of the most commonly observed issues in the industry are abandoned water heaters by various mushroom companies and manufacturers abandoning their customers and not providing any kind of after-sales services.

Safe Clean Water

While quality water heaters result in the longevity of the unit and a return on your investment, did you also know that a unit such as the food-grade stainless steel 304l unit makes heated water safe for usage. These units come equipped with safety features including vacuum breakers and pressure relief valves that ensure its safety on your roof. SolarTherm water heaters have a number of copper tubes in a panel with a black chromated absorber surface that heats water in a shorter timespan making the unit efficient and durable. The solar collector panel also has special low iron tempered solar glass to protect the panel from environmental hazards.